MCQOPTIONS
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MCQOPTIONS
This section includes 2251 Mcqs, each offering curated multiple-choice questions to sharpen your Digital Circuits knowledge and support exam preparation. Choose a topic below to get started.
| 1251. |
In a class, there are 'z' students. Out of them 'x' are boys. What part of the class is composed of girls ? |
| A. | $\frac{{x}}{{y}}$$ |
| B. | $\frac{{z}}{{x}}$$ |
| C. | - $$\frac{{x}}{{z}}$$ |
| D. | $\frac{{x}}{{z}}$$ - 1 |
| Answer» D. $\frac{{x}}{{z}}$$ - 1 | |
| 1252. |
The value of $$\frac{1}{{15}} + $$ $$\frac{1}{{35}} + $$ $$\frac{1}{{63}} + $$ $$\frac{1}{{99}} + $$ $$\frac{1}{{143}}$$ is : |
| A. | $\frac{5}{{39}}$$ |
| B. | $\frac{4}{{39}}$$ |
| C. | $\frac{2}{{39}}$$ |
| D. | $\frac{7}{{39}}$$ |
| Answer» B. $\frac{4}{{39}}$$ | |
| 1253. |
A, B, C and D purchase a gift worth Rs. 60. A pays $$\frac{{1}}{{2}}$$ of what others are paying. B pays $$\frac{{1}}{{3}}$$ of what others are paying and C pays $$\frac{{1}}{{4}}$$ of what others are paying. What is the amount paid by D ? |
| A. | 3 |
| B. | 5 |
| C. | 2 |
| D. | 4 |
| Answer» B. 5 | |
| 1254. |
In an examination, a student scores 4 marks for every correct answer and losses 1 mark for every wrong answer. A student attempted all the 200 questions and scored 200 marks. The number of questions, he answered correctly was - |
| A. | 2 |
| B. | 0 |
| C. | 8 |
| D. | 0 |
| Answer» C. 8 | |
| 1255. |
The number 2272 and 875 are divided by a 3 digit number N, giving the same remainders. The sum of the digit is : |
| A. | 0 |
| B. | 1 |
| C. | 2 |
| D. | 3 |
| Answer» B. 1 | |
| 1256. |
64329 is divided by a certain number, 175, 114 and 213 appears as three successive remainders. The divisor is - |
| A. | 84 |
| B. | 24 |
| C. | 34 |
| D. | 96 |
| Answer» D. 96 | |
| 1257. |
If n is a whole number greater then 1, then n2(n2- 1) is always divisible by - |
| A. | 6 |
| B. | 2 |
| C. | 0 |
| Answer» C. 0 | |
| 1258. |
The least number that must be subtracted from 63520 to make the result a perfect square is - |
| A. | 0 |
| B. | 4 |
| C. | 4 |
| D. | 6 |
| Answer» E. | |
| 1259. |
The greatest number among the following : $$0.7 + \sqrt {0.16} ,$$$$1.02 - \frac{{0.6}}{{24}},$$$$1.2 \times 0.83,$$and $$\sqrt {1.44} $$ |
| A. | $0.7 + \sqrt {0.16} $$ |
| B. | $\sqrt {1.44} $$ |
| C. | $1.2 \times 0.83$$ |
| D. | $1.02 - \frac{{0.6}}{{24}}$$ |
| Answer» C. $1.2 \times 0.83$$ | |
| 1260. |
$$\frac{1}{{20}}$$ $$ + $$ $$\frac{1}{{30}}$$ $$ + $$ $$\frac{1}{{42}}$$ $$ + $$ $$\frac{1}{{56}}$$ $$ + $$ $$\frac{1}{{72}}$$ $$ + $$ $$\frac{1}{{90}}$$ $$ + $$ $$\frac{1}{{110}}$$$$ + $$ $$\frac{1}{{132}}$$is equal to : |
| A. | $\frac{1}{8}$$ |
| B. | $\frac{1}{7}$$ |
| C. | $\frac{1}{6}$$ |
| D. | $\frac{1}{10}$$ |
| Answer» D. $\frac{1}{10}$$ | |
| 1261. |
In a farm there are cows and hens. If heads are counted there are 180, if legs are counted there are 420. The number of cows in the farm is : |
| A. | 30 |
| B. | 0 |
| C. | 50 |
| D. | 0 |
| Answer» E. | |
| 1262. |
252 m of pant cloth and 141 m of shirt cloth are available in a cloth store. To stitch one pant and one shirt, $$2\frac{1}{2}$$ m and $$1\frac{3}{4}$$ m of cloth are needed respectively. Then the approximate number of pants and shirts that can be made out of it are : |
| A. | 80, 100) |
| B. | 100, 80) |
| C. | 100, 90) |
| D. | 90, 80) |
| Answer» C. 100, 90) | |
| 1263. |
Find the sum of all positive multiples of 5 less than 100. |
| A. | 25 |
| B. | 60 |
| C. | 50 |
| D. | 90 |
| Answer» D. 90 | |
| 1264. |
If a = 4011 and b = 3989, then value of ab = ? |
| A. | 5999879 |
| B. | 5899879 |
| C. | 5989979 |
| D. | 5998879 |
| Answer» B. 5899879 | |
| 1265. |
$$\,{2^{16}} - 1$$is divisible by - |
| A. | 1 |
| B. | 3 |
| C. | 7 |
| D. | 9 |
| Answer» D. 9 | |
| 1266. |
$$999\,\frac{1}{7} + 999\frac{2}{7} + 999\frac{3}{7} + $$$$999\frac{4}{7} + $$$$999\frac{5}{7} + $$$$999\frac{6}{7}$$is simplified to- |
| A. | 997 |
| B. | 979 |
| C. | 994 |
| D. | 997 |
| Answer» B. 979 | |
| 1267. |
The least number of five digits which is divisible by 123 ? |
| A. | 0037 |
| B. | 0086 |
| C. | 0081 |
| D. | 0063 |
| Answer» C. 0081 | |
| 1268. |
Find the sum of all positive multiples of 3 less than 50 : |
| A. | 00 |
| B. | 04 |
| C. | 08 |
| D. | 12 |
| Answer» D. 12 | |
| 1269. |
Two positive whole numbers are such that the sum of the first and twice the second number is 8 and their difference is 2. The numbers are : |
| A. | , 5 |
| B. | , 5 |
| C. | , 4 |
| D. | , 2 |
| Answer» E. | |
| 1270. |
The least number which must be added to the greatest number of 4 digits in order that the sum may be exactly divisible by 307 is : |
| A. | 32 |
| B. | 2 |
| C. | 3 |
| D. | 5 |
| Answer» B. 2 | |
| 1271. |
If a (0.4)2 , b = 0.04 and c = $$\frac{{2}}{{5}}$$ , then the correct relationship among the three is : |
| A. | > a > c |
| B. | > b > c |
| C. | > c > d |
| D. | > a > b |
| Answer» E. | |
| 1272. |
The solution to the inequality 12x - 66 $$ \leqslant $$ 6 is : |
| A. | $$ \leqslant $$ 6 |
| B. | $$ \leqslant $$ x $$ \leqslant $$ 6 |
| C. | 6 $$ \leqslant $$ x $$ \leqslant $$ 6 |
| D. | 6 $$ \leqslant $$ x $$ \leqslant $$ 0 |
| Answer» B. $$ \leqslant $$ x $$ \leqslant $$ 6 | |
| 1273. |
If $$\frac{3}{4}$$ of a number is 7 more than $$\frac{1}{6}$$ of the number then $$\frac{5}{3}$$ of the number is : |
| A. | 2 |
| B. | 8 |
| C. | 5 |
| D. | 0 |
| Answer» E. | |
| 1274. |
What decimal of a week is an hour ? |
| A. | 0.0059 |
| B. | 0.0062 |
| C. | 0.062 |
| D. | 0.059 |
| Answer» B. 0.0062 | |
| 1275. |
The least among the fractions $$\frac{{15}}{{16}}$$ , $$\frac{{19}}{{20}}$$ , $$\frac{{24}}{{25}}$$ , $$\frac{{34}}{{35}}$$ is : |
| A. | $\frac{{34}}{{35}}$$ |
| B. | $\frac{{15}}{{16}}$$ |
| C. | $\frac{{19}}{{20}}$$ |
| D. | $\frac{{24}}{{25}}$$ |
| Answer» C. $\frac{{19}}{{20}}$$ | |
| 1276. |
Find the value of $$\frac{1}{5} + $$$$999\frac{{494}}{{495}} \times 99$$= ? |
| A. | 0000 |
| B. | 9000 |
| C. | 0900 |
| D. | 9990 |
| Answer» C. 0900 | |
| 1277. |
A man read $$\frac{2}{5}$$ th of a book on the first day. He read $$\frac{1}{3}$$ rd more on second day than he read in the first day. 15 pages were left for the third day. The number of pages in the book is - |
| A. | 00 |
| B. | 05 |
| C. | 25 |
| D. | 50 |
| Answer» D. 50 | |
| 1278. |
The value of $${\text{0}}{\text{.}}\overline 2+ {\text{0}}{\text{.}}\overline 3+ {\text{0}}{\text{.}}\overline {32} $$is : |
| A. | $0.\overline {87} $$ |
| B. | $0.\overline {77} $$ |
| C. | $0.\overline {82} $$ |
| D. | $0.\overline {86} $$ |
| Answer» B. $0.\overline {77} $$ | |
| 1279. |
Of the three numbers, the second is twice the first and is also thrice the third. If the average of these three numbers is 44, the largest number is - |
| A. | 4 |
| B. | 6 |
| C. | 2 |
| D. | 08 |
| Answer» D. 08 | |
| 1280. |
In a two digit number, the digit at the unit's place is 1 less than twice the digit at the ten's place. If the digits at unit's and ten's place are interchanged, the difference between the new and the original number is less than the original number by 20. The original number is : |
| A. | 9 |
| B. | 3 |
| C. | 5 |
| D. | 7 |
| Answer» E. | |
| 1281. |
The smallest five digit number which is divisible by 12, 18 and 21 is : |
| A. | 0080 |
| B. | 0256 |
| C. | 0224 |
| D. | 0321 |
| Answer» B. 0256 | |
| 1282. |
If the operation '*' is defined by a * b = a + b - ab, then 5 * 7 equals : |
| A. | 2 |
| B. | 47 |
| C. | 23 |
| D. | 5 |
| Answer» D. 5 | |
| 1283. |
A rational number between $${\text{ }}\frac{3}{4}$$ and $${\text{ }}\frac{3}{8}$$ is : |
| A. | ${\text{ }}\frac{7}{9}$$ |
| B. | ${\text{ }}\frac{7}{3}$$ |
| C. | ${\text{ }}\frac{5}{9}$$ |
| D. | ${1\text{ }}\frac{9}{16}$$ |
| Answer» D. ${1\text{ }}\frac{9}{16}$$ | |
| 1284. |
Find the least number of five digits which is divisible by 333 ? |
| A. | 0328 |
| B. | 0323 |
| C. | 0333 |
| D. | 0332 |
| Answer» C. 0333 | |
| 1285. |
The number of integers in between 100 and 600, which are divisible by 4 and 6 both, is : |
| A. | 0 |
| B. | 2 |
| C. | 1 |
| D. | 0 |
| Answer» D. 0 | |
| 1286. |
In an examination, a student was asked find $$\frac{3}{{14}}$$ of a certain number. By mistake he found $$\frac{3}{{4}}$$ of it, his answer is 150 more than the correct answer. The given number is - |
| A. | 00 |
| B. | 80 |
| C. | 40 |
| D. | 80 |
| Answer» C. 40 | |
| 1287. |
It is given that $${\text{(}}{{\text{2}}^{32}} + 1)$$is exactly divisible by a certain number, which one of the following is also definitely divisible by the same number ? |
| A. | ${{\text{2}}^{96}} + 1$$ |
| B. | ${\text{7}} \times {{\text{2}}^{33}}$$ |
| C. | ${{\text{2}}^{16}} - 1$$ |
| D. | ${{\text{2}}^{16}} + 1$$ |
| Answer» B. ${\text{7}} \times {{\text{2}}^{33}}$$ | |
| 1288. |
The value of : $$\left( {1 + \frac{1}{2}} \right)$$ $$\left( {1 + \frac{1}{3}} \right)$$ $$\left( {1 + \frac{1}{4}} \right)$$ ..... $$\left( {1 + \frac{1}{120}} \right)$$ |
| A. | 0 |
| B. | 0.5 |
| C. | 0.5 |
| D. | 21 |
| Answer» D. 21 | |
| 1289. |
How many digit required to write numbers from 1 to 50 ? |
| A. | 00 |
| B. | 2 |
| C. | 1 |
| D. | 0 |
| Answer» D. 0 | |
| 1290. |
Which of the following is the smallest fraction ? $$\frac{8}{{25}},$$ $$\frac{7}{{23}},$$ $$\frac{{11}}{{23}},$$ $$\frac{{14}}{{53}}$$ |
| A. | $\frac{{8}}{{25}}$$ |
| B. | $\frac{{7}}{{23}}$$ |
| C. | $\frac{{11}}{{23}}$$ |
| D. | $\frac{{14}}{{53}}$$ |
| Answer» E. | |
| 1291. |
The sum of three consecutive natural numbers each divisible by 5,is 225. The largest among them is ? |
| A. | 5 |
| B. | 5 |
| C. | 0 |
| D. | 0 |
| Answer» E. | |
| 1292. |
How many $$\frac{1}{6}$$ of together make $${\text{41}}\frac{2}{3}$$ ? |
| A. | 25 |
| B. | 50 |
| C. | 50 |
| D. | 50 |
| Answer» D. 50 | |
| 1293. |
If $$\frac{{51.84}}{{4.32}} = 12$$, then the value of $$\frac{{0.005184}}{{0.432}}$$is : |
| A. | 0.12 |
| B. | 0.012 |
| C. | 0.0012 |
| D. | 0.2 |
| Answer» C. 0.0012 | |
| 1294. |
The product of two positive integers is 2048 and one of them is twice the other. Then the small of the number is : |
| A. | 2 |
| B. | 4 |
| C. | 6 |
| D. | 024 |
| Answer» B. 4 | |
| 1295. |
Arrange the following fraction in decreasing order : $$\frac{3}{5},$$ $$\frac{7}{9}$$ $$,\frac{{11}}{{13}}$$ |
| A. | $\frac{3}{5},\frac{7}{9},\frac{{11}}{{13}}$$ |
| B. | $\frac{7}{9},\frac{3}{5},\frac{{11}}{{13}}$$ |
| C. | $\frac{{11}}{{13}},\frac{7}{9},\frac{3}{5}$$ |
| D. | $\frac{{11}}{{13}},\frac{3}{5},\frac{7}{9}$$ |
| Answer» D. $\frac{{11}}{{13}},\frac{3}{5},\frac{7}{9}$$ | |
| 1296. |
The value of $$\left( {0.34\overline {67}+ 0.13\overline {33} } \right)$$is : |
| A. | 0.48 |
| B. | $0.48\overline {01} $$ |
| C. | $0.\overline {48} $$ |
| D. | $0.4\overline {8} $$ |
| Answer» C. $0.\overline {48} $$ | |
| 1297. |
The sum of the cubes of two numbers in the ratio 3 : 4 is 5824. The sum of the numbers is : |
| A. | ${\left( {5824} \right)^{\frac{1}{3}}}$$ |
| B. | 8 |
| C. | 4 |
| D. | 4 |
| Answer» C. 4 | |
| 1298. |
Each member of a club contributes as much rupees and as much paiseas the number of members of the club. If the total contribution is Rs. 2525, then the number of members of the club is : |
| A. | 0 |
| B. | 5 |
| C. | 5 |
| D. | 0 |
| Answer» E. | |
| 1299. |
The sum of squares of three positive integers is 323. If the sum of squares of two numbers is twice the third, their product is : |
| A. | 55 |
| B. | 60 |
| C. | 65 |
| D. | 70 |
| Answer» B. 60 | |
| 1300. |
Number 2, 4, 6, 8, 10.....196, 198, 200 are multiplied together. The number of zeros at the end of the product on the right will be equal to - |
| A. | 1 |
| B. | 2 |
| C. | 4 |
| D. | 5 |
| Answer» D. 5 | |