Number System MCQs

Question 1

What number should replace M in this multiplication problem ?

Accepted Answer

0

Answer

2

Answer

4

Answer

8

Question 2

397 × 397 + 104 × 104 + 2 × 397 × 104 = ?

Accepted Answer

251001

Answer

250001

Answer

260101

Answer

261001

Question 3

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

Accepted Answer

irrational number

Answer

rational number

Answer

natural number

Answer

integer

Question 4

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

Accepted Answer

Divisible by (11 × 13)

Answer

429

Answer

Divisible by (11 + 13)

Answer

Divisible by (13 - 11)

Question 5

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

Accepted Answer

5050

Answer

6000

Answer

5000

Answer

5052

Question 6

If a = 7, b = 5, c = 3, then the value of a2 + b2 + c2 - ab - bc - ca is :

Accepted Answer

12

Answer

- 12

Answer

0

Answer

8

Question 7

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 ?

Accepted Answer

85

Answer

61

Answer

64

Answer

78

Question 8

98th term of the infinite series 1, 2, 3, 4, 1, 2, 3, 4, 1, 2, .... is :

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 9

If x and y are two digits of the number 653xy such that the number is divisible by 80, then x + y is equal to :

Accepted Answer

6

Answer

3

Answer

4

Answer

5