Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

A 9 digit number in which zero does not appear and no digits are repeated has the following properties: The number comprising the left most two digits is divisible by 2, that comprising the left most three digits is divisible by 3, and so on

A. 83654729
B. 81654729
C. 83654721
D. 81654723
Answer» C. 83654721
2.

Consider the following statements :1. If x and y are composite numbers, then x + y is always composite.2. There does not exist a natural number which is neither prime nor composite.Which of the above statements is/are correct ?

A. only
B. only
C. oth 1 and 2
D. either 1 nor 2
Answer» E.
3.

217 × 217 + 183 × 183 = ?

A. 9698
B. 0578
C. 0698
D. 1268
E. one of these
Answer» C. 0698
4.

What is the number of prime factors contained in the product 307 × 225 × 3411 ?

A. 9
B. 1
C. 2
D. 3
Answer» E.
5.

In a division sum, the remainder was 71. With the same divisor but twice the dividend, the remainder is 43. Which one of the following is the divisor ?

A. 6
B. 3
C. 9
D. 04
Answer» D. 04
6.

8888 + 848 + 88 - ? = 7337 +737

A. 450
B. 550
C. 650
D. 750
E. one of these
Answer» E. one of these
7.

The sum of the digits of a 3-digit number is subtracted from the number. The resulting number is always :

A. ot divisible by 9
B. ivisible by 9
C. ot divisible by 6
D. ivisible by 6
Answer» C. ot divisible by 6
8.

5566 - 7788 + 9988 = ? + 4444

A. 223
B. 232
C. 322
D. 333
E. one of these
Answer» D. 333
9.

If x - y = 8, then which of the following must be true ?I. Both x and y are positive.II. If x is positive, y must be positive.III. If x is negative, y must be negative.

A. only
B. I only
C. and II both
D. II only
Answer» E.
10.

A number is successively divided by 8, 7 and 3 giving residues 3, 4 and 2 respectively and quotient 31. The number is :

A. 555
B. 355
C. 535
D. 553
Answer» C. 535
11.

The number π is :

A. fraction
B. recurring decimal
C. rational number
D. n irrational number
Answer» E.
12.

What is the minimum number of four digits formed by using the digits 2, 4, 0, 7 ?

A. 047
B. 247
C. 407
D. 470
Answer» B. 247
13.

What number multiplied by 48 will give the same product as 173 multiplied by 240 ?

A. 95
B. 45
C. 85
D. 65
Answer» E.
14.

The number of prime numbers between 0 and 50 is :

A. 4
B. 5
C. 6
D. 7
Answer» C. 6
15.

$$\frac{256 × 256 - 144 × 144}{112}$$is equal to :

A. 20
B. 00
C. 60
D. 20
Answer» C. 60
16.

Let n be a natural number such that $$\frac{1}{2}$$ + $$\frac{1}{3}$$ + $$\frac{1}{7}$$ + $$\frac{1}{n}$$is also a natural number. Which of the following statements is not true ?

A. divides n
B. divides n
C. divides n
D. > 84
Answer» E.
17.

The number of zeros at the end of 60! is :

A. 2
B. 4
C. 6
D. 8
Answer» C. 6
18.

If a and b are two numbers such that ab = 0, then -

A. = 0 and b = 0
B. = 0 or b = 0 or both
C. = 0 and b $$ \ne $$ 0
D. = 0 and a $$ \ne $$ 0
Answer» C. = 0 and b $$ \ne $$ 0
19.

325325 is a six-digit number. It is divisible by :

A. ONLY
B. 1 ONLY
C. 3 ONLY
D. LL 7, 11 AND 13
Answer» E.
20.

6 × 3 (3 - 1) is equal to :

A. 9
B. 0
C. 6
D. 3
Answer» D. 3
21.

A number is divisible by 11 if the difference between the sums of the digit in odd even places respectively is :

A. multiple of 3
B. multiple of 5
C. ero or a multiple of 7
D. ero or a multiple of 11
Answer» E.
22.

Between two distinct rational numbers a and b, there exists another rational number which is :

A. $\frac{a}{2}$$
B. $\frac{b}{2}$$
C. $\frac{ab}{2}$$
D. $\frac{a + b}{2}$$
Answer» E.
23.

On multiplying a number by 7, all the digits in the product appear as 3’s. The smallest such number is :

A. 7619
B. 6719
C. 8619
D. 7649
Answer» B. 6719
24.

The smallest number of 5 digits beginning with 3 and ending with 5 will be :

A. 1005
B. 0015
C. 0005
D. 0025
Answer» D. 0025
25.

If a + b + c = 6 and ab + bc + ca = 10, then value of a3 + b3 + c3 - 3abc is :

A. 6
B. 8
C. 2
D. 0
Answer» B. 8
26.

If x, y, z and w be the digits of a number beginning from the left, the number is :

A. yzw
B. zyx
C. + 10y + 100z + 1000w
D. 03x + 102y + 10z + w
Answer» E.
27.

The number formed from the last two digits (ones and tens) of the expression 212n - 64n , where n is any positive integer is :

A. 0
B. 0
C. 0
D. 2
Answer» C. 0
28.

Which of the following numbers are completely divisible by 7 ?I. 195195II. 181181III. 120120IV. 891891

A. nly I and II
B. nly II and III
C. nly I and IV
D. nly II and IV
E. ll are divisible
Answer» F.
29.

The number 534677 is divisible by 777. The difference of divisor and remainder is :

A. 77
B. 76
C. 87
D. 89
Answer» C. 87
30.

What is 348 times 265 ?

A. 8740
B. 9750
C. 2220
D. 5700
Answer» D. 5700
31.

The least number more than 5000 which is divisible by 73 is -

A. 009
B. 037
C. 073
D. 099
Answer» C. 073
32.

For the integer n, if n3 is odd, then which of the following statements are true ?I. n is oddII. n2 is oddIII. n2 is even

A. only
B. I only
C. and II only
D. and III only
Answer» D. and III only
33.

When a certain positive integer P is divided by another positive integer, the remainder is $${r_{1}}$$ . When a second positive integer Q is divided by the same integer, the remainder is $${r_{2}}$$ and when (P + Q) is divided by the same divisor, the remainder is $${r_{3}}$$ . Then the divisor may be :

A. ${r_{1}}$$$${r_{2}}$$$${r_{3}}$$
B. ${r_{1}}$$ + $${r_{2}}$$ - $${r_{3}}$$
C. ${r_{1}}$$ - $${r_{2}}$$ + $${r_{3}}$$
D. ${r_{1}}$$ + $${r_{2}}$$ - $${r_{3}}$$
Answer» E.
34.

Which of the following numbers is divisible by 3, 7, 9 and 11 ?

A. 39
B. 079
C. 791
D. 7911
Answer» C. 791
35.

P and Q are two positive integers such that PQ = 64. Which of the following cannot be the value of P + Q = ?

A. 6
B. 1
C. 5
D. 5
Answer» D. 5
36.

While writing all the numbers from 700 to 1000, how many numbers occur in which the first digits greater than the second digit, and the second digit is greater than the third digit ?

A. 1
B. 4
C. 8
D. 5
Answer» E.
37.

287 × 287 + 269 × 269 - 2 × 287 × 269 = ?

A. 34
B. 46
C. 54
D. 24
Answer» E.
38.

What is sum of all natural numbers from 1 to 100 ?

A. 050
B. 000
C. 000
D. 052
Answer» B. 000
39.

If a number is divisible by both 11 and 13, then it must be necessarily :

A. 29
B. ivisible by (11 × 13)
C. ivisible by (11 + 13)
D. ivisible by (13 - 11)
Answer» C. ivisible by (11 + 13)
40.

$$\sqrt 2 $$is a/an -

A. ational number
B. atural number
C. rrational number
D. nteger
Answer» D. nteger
41.

Among the following statements, the statement which is not correct is :

A. very natural number is an integer.
B. very natural number is a real number.
C. very real number is a rational number.
D. very integer is a rational number.
Answer» D. very integer is a rational number.
42.

The smallest prime number, that is the fifth term of an increasing arithmetic sequence in which all the four preceding terms are also prime, is -

A. 7
B. 9
C. 7
D. 3
Answer» C. 7
43.

A number is multiplied by 11 and 11 is added to the product. If the resulting number is divisible by 13, the smallest originalnumber is = ?

A. 2
B. 2
C. 6
D. 3
Answer» B. 2
44.

All natural numbers and 0 are called the ..... numbers.

A. ational
B. nteger
C. hole
D. rime
Answer» D. rime
45.

The value of $$\left( {99\frac{{95}}{{99}}} \right) \times 99$$is :

A. 798
B. 997
C. 898
D. 896
Answer» E.
46.

The product of two positive numbers is 11520 and their quotient is $$\frac{9}{5}$$. Find the difference between two numbers.

A. 0
B. 4
C. 4
D. 0
Answer» C. 4
47.

Largest fraction among $$\frac{2}{5},$$ $$\frac{5}{6},$$ $$\frac{{11}}{{15}}$$ and $$\frac{7}{8}$$ is :

A. $\frac{7}{8}$$
B. $\frac{{11}}{{15}}$$
C. $\frac{5}{6}$$
D. $\frac{2}{5}$$
Answer» B. $\frac{{11}}{{15}}$$
48.

Which of the following is the largest fraction ? $${\text{ }}\frac{6}{7},$$ $$\frac{5}{6},$$ $$\frac{7}{8},$$ $$\frac{4}{5}$$

A. $\frac{6}{7}$$
B. $\frac{4}{5}$$
C. $\frac{5}{6}$$
D. $\frac{7}{8}$$
Answer» E.
49.

Symbiosis runs a Corporate Training Programme. At the end of running the first programme, its total takings were Rs. 38950. There were more than 45 but less than 100 participants. What was the participant fee for the programme ?

A. s. 410
B. s. 450
C. s. 500
D. s. 510
Answer» B. s. 450
50.

A person gives $$\frac{1}{4}$$ of his property to his daughter, $$\frac{1}{2}$$ to his sons and $$\frac{1}{5}$$ for charity. How much has he given away ?

A. $\frac{1}{20}$$
B. $\frac{19}{20}$$
C. $\frac{1}{10}$$
D. $\frac{9}{10}$$
Answer» C. $\frac{1}{10}$$