Explore topic-wise MCQs in General Aptitude.

This section includes 992 Mcqs, each offering curated multiple-choice questions to sharpen your General Aptitude knowledge and support exam preparation. Choose a topic below to get started.

251.

From a bag containing 4 white and 5 black balls a man drawn 3 balls at random. What are the odds against these balls being black?

A. $\frac{{5}}{{37}}$$
B. $\frac{{37}}{{5}}$$
C. $\frac{{11}}{{13}}$$
D. $\frac{{13}}{{37}}$$
Answer» C. $\frac{{11}}{{13}}$$
252.

A special lottery is to be held to select a student who will live in the only deluxe room in a hostel. There are 100 Year-III, 150 Year-II and 200 Year-I students who applied.Each Year-III's name is placed in the lottery 3 times; each Year-II's name, 2 times and Year-I's name, 1 time. What is the probability that a Year-III's name will be chosen?

A. $\frac{{1}}{{8}}$$
B. $\frac{{2}}{{9}}$$
C. $\frac{{2}}{{7}}$$
D. $\frac{{3}}{{8}}$$
Answer» E.
253.

In a race where 12 cars are running, the chance that car X will win is $$\frac{1}{6},$$ that Y will win is $$\frac{{1}}{{10}}$$ and that Z will win is $$\frac{{1}}{{8}}$$. Assuming that a dead heat is impossible. Find the chance that one of them will win.

A. $\frac{{47}}{{120}}$$
B. $\frac{{1}}{{480}}$$
C. $\frac{{1}}{{160}}$$
D. $\frac{{1}}{{240}}$$
Answer» B. $\frac{{1}}{{480}}$$
254.

A number X is chosen at random from the numbers -3, -2, -1, 0, 1, 2, 3. What is the probability that $$|X| < 2$$

A. $\frac{{5}}{{7}}$$
B. $\frac{{3}}{{7}}$$
C. $\frac{{3}}{{5}}$$
D. $\frac{{1}}{{3}}$$
Answer» C. $\frac{{3}}{{5}}$$
255.

If x is chosen at random from the set {1, 2, 3, 4} and y is to be chosen at random from the set {5, 6, 7}, what is the probability that xy will be even?

A. $\frac{{5}}{{6}}$$
B. $\frac{{1}}{{6}}$$
C. $\frac{{1}}{{2}}$$
D. $\frac{{2}}{{3}}$$
Answer» E.
256.

The odds against an event are 5 : 3 and the odds in favour of another independent event are 7 : 5. Find the probability that at least one of the two events will occur.

A. $\frac{{69}}{{96}}$$
B. $\frac{{52}}{{96}}$$
C. $\frac{{71}}{{96}}$$
D. $\frac{{13}}{{96}}$$
Answer» D. $\frac{{13}}{{96}}$$
257.

A speaks truth in 75% of cases and B in 80% of cases. In what percent of cases are they likely to contradict each other in narrating the same event?

A. 5%
B. %
C. 5%
D. 2.5%
Answer» B. %
258.

A bag contains 12 white and 18 black balls. Two balls are drawn in succession without replacement.What is the probability that first is white and second is black?

A. $\frac{{18}}{{145}}$$
B. $\frac{{18}}{{29}}$$
C. $\frac{{36}}{{135}}$$
D. $\frac{{36}}{{145}}$$
Answer» E.
259.

The probability of success of three students X,Y and Z in the one examination are $$\frac{{1}}{{5}}$$, $$\frac{{1}}{{4}}$$ and $$\frac{{1}}{{3}}$$ respectively. Find the probability of success of at least two.

A. $\frac{{1}}{{6}}$$
B. $\frac{{2}}{{5}}$$
C. $\frac{{3}}{{4}}$$
D. $\frac{{3}}{{5}}$$
Answer» B. $\frac{{2}}{{5}}$$
260.

Two dice are thrown simultaneously. Find the probability of getting a multiple of 2 on one dice and multiple of 3 on the other dice.

A. $\frac{{5}}{{12}}$$
B. $\frac{{11}}{{36}}$$
C. $\frac{{5}}{{36}}$$
D. $\frac{{13}}{{36}}$$
Answer» C. $\frac{{5}}{{36}}$$
261.

A bag contains 21 toys numbered 1 to 21. A toy is drawn and then another toy is drawn without replacement.Find the probability that both toys will show even numbers.

A. $\frac{{5}}{{21}}$$
B. $\frac{{9}}{{42}}$$
C. $\frac{{11}}{{42}}$$
D. $\frac{{4}}{{21}}$$
Answer» C. $\frac{{11}}{{42}}$$
262.

Four cards are drawn at random from a pack of 52 playing cards. Find the probability of getting all the four cards of the same suit.

A. $\frac{{13}}{{270725}}$$
B. $\frac{{91}}{{190}}$$
C. $\frac{{178}}{{20825}}$$
D. $\frac{{44}}{{4165}}$$
Answer» E.
263.

Two brother X and Y appeared for an exam. Let A be the event that X is selected and B is the event that Y is selected.The probability of A is $$\frac{{1}}{{7}}$$ and that of B is $$\frac{{2}}{{9}}$$. Find the probability that both of them are selected.

A. $\frac{{1}}{{63}}$$
B. $\frac{{2}}{{35}}$$
C. $\frac{{2}}{{63}}$$
D. $\frac{{9}}{{14}}$$
Answer» D. $\frac{{9}}{{14}}$$
264.

Two teams Arrogant and Overconfident are participating in a cricket tournament. The odds that team Arrogant will be champion is 5 to 3, and the odds that team Overconfident will be the champion is 1 to 4. What are the odds that either Arrogant or team Overconfident will become the champion?

A. to 2
B. to 2
C. to 1
D. 3 to 7
Answer» E.
265.

An urn contains 6 red, 5 blue and 2 green marbles. If three marbles are picked at random, what is the probability that at least one is blue?

A. $\frac{{28}}{{143}}$$
B. $\frac{{115}}{{97}}$$
C. $\frac{{28}}{{197}}$$
D. $\frac{{115}}{{143}}$$
Answer» E.
266.

A five-digit number is formed by using digits 1, 2, 3, 4 and 5 without repetition. What is the probability that the number is divisible by 4?

A. $\frac{{1}}{{5}}$$
B. $\frac{{5}}{{6}}$$
C. $\frac{{4}}{{5}}$$
D. one of these
Answer» B. $\frac{{5}}{{6}}$$
267.

Find the probability that in a random arrangement of the letters of the word 'UNIVERSITY' the two I's come together.

A. $\frac{1}{7}$$
B. $\frac{3}{5}$$
C. $\frac{5}{11}$$
D. $\frac{1}{5}$$
Answer» E.
268.

A box has 6 black, 4 red, 2 white and 3 blue shirts. When 2 shirts are picked randomly, what is the probability that either both are white or both are blue?

A. $\frac{{4}}{{105}}$$
B. $\frac{{1}}{{35}}$$
C. $\frac{{1}}{{105}}$$
D. $\frac{{1}}{{15}}$$
Answer» B. $\frac{{1}}{{35}}$$
269.

A box has 6 black, 4 red, 2 white and 3 blue shirts. What is probability of picking at least 1 red shirt in 4 shirts that are randomly picked?

A. $\frac{{4}}{{15}}$$
B. $\frac{{24}}{{455}}$$
C. $\frac{{69}}{{91}}$$
D. $\frac{{22}}{{91}}$$
Answer» D. $\frac{{22}}{{91}}$$
270.

In a drawer there are 5 black socks and 3 green socks. Two socks are picked randomly one after the other without replacement. What is the possibility that both the socks are black?

A. $\frac{{5}}{{14}}$$
B. $\frac{{5}}{{8}}$$
C. $\frac{{3}}{{8}}$$
D. $\frac{{5}}{{16}}$$
Answer» B. $\frac{{5}}{{8}}$$
271.

A pot has 2 white, 6 black, 4 grey and 8 green balls. If one ball is picked randomly from the pot, what is the probability of it being black or green?

A. $\frac{{3}}{{4}}$$
B. $\frac{{7}}{{10}}$$
C. $\frac{{4}}{{3}}$$
D. $\frac{{1}}{{10}}$$
Answer» C. $\frac{{4}}{{3}}$$
272.

A box has 6 black, 4 red, 2 white and 3 blue shirts. What is the probability that 2 red shirts and 1 blue shirt get chosen during a random selection of 3 shirts from the box?

A. $\frac{{18}}{{455}}$$
B. $\frac{{7}}{{15}}$$
C. $\frac{{7}}{{435}}$$
D. $\frac{{7}}{{2730}}$$
Answer» B. $\frac{{7}}{{15}}$$
273.

In a set of 30 game cards, 17 are white and rest are green. 4 white and 5 green are marked IMPORTANT. If a card is chosen randomly from this set, what is the possibility of choosing a green card or an ‘IMPORTANT’ card?

A. $\frac{{13}}{{30}}$$
B. $\frac{{22}}{{30}}$$
C. $\frac{{17}}{{30}}$$
D. $\frac{{9}}{{13}}$$
Answer» D. $\frac{{9}}{{13}}$$
274.

A box has 5 black and 3 green shirts. One shirt is picked randomly and put in another box. The second box has 3 black and 5 green shirts. Now a shirt is picked from second box. What is the probability of it being a black shirt?

A. $\frac{{4}}{{9}}$$
B. $\frac{{29}}{{72}}$$
C. $\frac{{8}}{{72}}$$
D. $\frac{{3}}{{16}}$$
Answer» C. $\frac{{8}}{{72}}$$
275.

When two coins are tossed simultaneously, what are the chances of getting at least one tail?

A. $\frac{{4}}{{5}}$$
B. $\frac{{1}}{{5}}$$
C. $\frac{{3}}{{4}}$$
D. $\frac{{1}}{{4}}$$
Answer» D. $\frac{{1}}{{4}}$$
276.

Three unbiased coins are tossed. What is the probability of getting at least 2 tails?

A. 0.75
B. 0.5
C. 0.25
D. 0.2
Answer» C. 0.25
277.

There are 2 pots. One pot has 5 red and 3 green marbles. Other has 4 red and 2 green marbles. What is the probability of drawing a red marble?

A. $\frac{{9}}{{14}}$$
B. $\frac{{31}}{{48}}$$
C.
Answer» C.
278.

A dice is rolled twice. What is the probability of getting sum 9?

A. $\frac{{2}}{{3}}$$
B. $\frac{{1}}{{3}}$$
C. $\frac{{1}}{{9}}$$
D. $\frac{{3}}{{9}}$$
Answer» D. $\frac{{3}}{{9}}$$
279.

If four coins are tossed, the probability of getting two heads and two tails is -

A. $\frac{{3}}{{8}}$$
B. $\frac{{6}}{{11}}$$
C. $\frac{{2}}{{5}}$$
D. $\frac{{4}}{{5}}$$
Answer» B. $\frac{{6}}{{11}}$$
280.

A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that at least one bulb is good.

A. $\frac{{6}}{{63}}$$
B. $\frac{{2}}{{63}}$$
C. $\frac{{125}}{{126}}$$
D. $\frac{{1}}{{126}}$$
Answer» D. $\frac{{1}}{{126}}$$
281.

The probability that A speaks truth is $$\frac{{3}}{{5}}$$ and that of B speaking truth is $$\frac{{4}}{{7}}$$. What is the probability that they agree in stating the same fact?

A. $\frac{{18}}{{35}}$$
B. $\frac{{12}}{{35}}$$
C. $\frac{{17}}{{35}}$$
D. $\frac{{19}}{{35}}$$
Answer» B. $\frac{{12}}{{35}}$$
282.

Out of first 20 natural numbers, one number is selected at random. The probability that it is either an even number or a prime number is -

A. $\frac{{1}}{{2}}$$
B. $\frac{{16}}{{19}}$$
C. $\frac{{4}}{{5}}$$
D. $\frac{{17}}{{20}}$$
Answer» E.
283.

A basket has 5 apples and 4 oranges. Three fruits are picked at random. The probability that at least 2 apples are picked is -

A. $\frac{{25}}{{42}}$$
B. $\frac{{9}}{{20}}$$
C. $\frac{{10}}{{23}}$$
D. $\frac{{41}}{{42}}$$
Answer» B. $\frac{{9}}{{20}}$$
284.

If the chance that a vessel arrives safely at a port is $$\frac{{9}}{{10}}$$ then what is the chance that out of 5 vessels expected at least 4 will arrive safely?

A. $\frac{{14 \times {9^4}}}{{{{10}^5}}}$$
B. $\frac{{15 \times {9^5}}}{{{{10}^4}}}$$
C. $\frac{{14 \times {9^3}}}{{{{10}^4}}}$$
D. $\frac{{14 \times {9^6}}}{{{{10}^5}}}$$
Answer» B. $\frac{{15 \times {9^5}}}{{{{10}^4}}}$$
285.

In a charity show tickets numbered consecutively from 101 through 350 are placed in a box.What is the probability that a ticket selected at random (blindly) will have a number with a hundredth digit of 2?

A. 0.285
B. 0.4
C. $\frac{{100}}{{249}}$$
D. $\frac{{99}}{{250}}$$
Answer» C. $\frac{{100}}{{249}}$$
286.

What is the probability that a number selected from numbers 1, 2, 3, ......, 30, is prime number, when each of the given numbers is equally likely to be selected?

A. $\frac{{9}}{{30}}$$
B. $\frac{{8}}{{30}}$$
C. $\frac{{10}}{{30}}$$
D. $\frac{{11}}{{30}}$$
Answer» D. $\frac{{11}}{{30}}$$
287.

A box contains 10 black and 10 white balls. What is the probability of drawing 2 balls of the same colour ?

A. $\frac{9}{19}$$
B. $\frac{9}{38}$$
C. $\frac{10}{19}$$
D. $\frac{5}{19}$$
E. one of these
Answer» B. $\frac{9}{38}$$
288.

Two dice are tossed. The probability that the total score is a prime number is-

A. $\frac{1}{6}$$
B. $\frac{1}{2}$$
C. $\frac{5}{12}$$
D. $\frac{7}{9}$$
E. one of these
Answer» D. $\frac{7}{9}$$
289.

An urn contains 2 red, 3 green and 2 blue balls. If 2 balls are drawn at random, find the probability that no ball is blue.

A. $\frac{5}{7}$$
B. $\frac{10}{21}$$
C. $\frac{2}{7}$$
D. $\frac{11}{21}$$
E. one of these
Answer» C. $\frac{2}{7}$$
290.

An urn contains 6 red, 4 blue, 2 green and 3 yellow marbles. If four marbles are picked up at random, what is the probability that 1 Is green, 2 are blue and 1 is red ?

A. $\frac{13}{35}$$
B. $\frac{24}{455}$$
C. $\frac{11}{15}$$
D. $\frac{1}{13}$$
Answer» C. $\frac{11}{15}$$
291.

In a single throw of die, what is the probability of getting a number greater than 4 ?

A. $\frac{1}{2}$$
B. $\frac{1}{3}$$
C. $\frac{2}{3}$$
D. $\frac{1}{4}$$
Answer» C. $\frac{2}{3}$$
292.

An urn contains 6 red, 4 blue, 2 green and 3 yellow marbles. If two marbles are picked up at random, what is the probability that either both are green or both are yellow ?

A. $\frac{5}{91}$$
B. $\frac{1}{35}$$
C. $\frac{1}{3}$$
D. $\frac{4}{105}$$
E. one of these
Answer» E. one of these
293.

A box contains 20 electric bulbs, out of which 4 are defective. Two balls are chosen at random from this box. The probability that at least one ofthem is defective, is -

A. $\frac{4}{19}$$
B. $\frac{7}{19}$$
C. $\frac{12}{19}$$
D. $\frac{21}{95}$$
E. one of these
Answer» C. $\frac{12}{19}$$
294.

A basket contains 4 red, 5 blue and 3 green marbles. If three marbles are picked up at random what is the probability that at least one is blue ?

A. $\frac{7}{12}$$
B. $\frac{37}{44}$$
C. $\frac{5}{12}$$
D. $\frac{7}{44}$$
E. one of these
Answer» C. $\frac{5}{12}$$
295.

An urn contains 6 red, 4 blue, 2 green 3 yellow marbles. If two marbles are drawn at random from the run, what is the probability that both are red ?

A. $\frac{1}{6}$$
B. $\frac{1}{7}$$
C. $\frac{2}{15}$$
D. $\frac{2}{5}$$
Answer» C. $\frac{2}{15}$$
296.

Two cards are drawn from a pack of 52 cards. The probability that either both are red or both are king, is-

A. $\frac{7}{13}$$
B. $\frac{3}{26}$$
C. $\frac{63}{221}$$
D. $\frac{55}{221}$$
Answer» E.
297.

One card is drawn from a pack of 52 cards. What is the probability that the card drawn is either a red card or a king ?

A. $\frac{1}{2}$$
B. $\frac{6}{13}$$
C. $\frac{7}{13}$$
D. $\frac{27}{52}$$
Answer» D. $\frac{27}{52}$$
298.

In a simultaneous throw of two dice, what is the probability of getting a total of 7?

A. $\frac{1}{6}$$
B. $\frac{1}{4}$$
C. $\frac{2}{3}$$
D. $\frac{3}{4}$$
Answer» B. $\frac{1}{4}$$
299.

A man and his wife appear in an interview for two vacancies in the same post. The probability two of husband’s selection is $$\frac{1}{7}$$ and the probability of wife’s selection is$$\frac{1}{5}$$. What is the probability that only one of them is selected?

A. $\frac{4}{5}$$
B. $\frac{2}{7}$$
C. $\frac{4}{7}$$
D. $\frac{8}{15}$$
E. one of these
Answer» C. $\frac{4}{7}$$
300.

A bag contains 6 red balls 11 yellow balls and 5 pink balls. If two balls are drawn at random from the bag. One after another what is the probability that the first ball is red and second ball is yellow?

A. $\frac{1}{14}$$
B. $\frac{2}{7}$$
C. $\frac{5}{7}$$
D. $\frac{3}{14}$$
E. one of these
Answer» C. $\frac{5}{7}$$