NS1
NS2
NS3
NS4
NS5
100

Any signed negative binary number is recognised by its _________

A. MSB

B. LSB

C. Byte

D. Nibble 

A. MSB

100

 The digits of a two-digit number are in the ratio of 2 : 3 and the number obtained by interchanging the digits is bigger than the original number by 27. What is the original number?

1. 63
2. 48
3. 96
4. 69

4. 69

100

 A number consists of two digits. If the digits interchange places and the new number is added to the original number, then the resulting number will be divisible by:

1. 3
2. 5
3. 9
4. 11

4. 11

100

 If 'a' and 'b' are two rational numbers, then number of rational number between them are
A). one

B). two

C). zero

D). infinite

D). infinite

100

Which of the following is equal to 34.33?
A). 37

B). 312

C). 67

D). 912

Hint there all exponets

A). 37

200

The parameter through which 16 distinct values can be represented is known as ______

A. Bit 

B. Byte

C. Word

D. Nibble

C. World

200

Three consecutive numbers such that twice the first, 3 times the second, and 4 times the third together make 182. The numbers in question are

1. 18, 22 and 23
2. 18, 19 and 20
3. 19, 20 and 21
4. 20, 21 and 22

3. 19, 20 and 21 

200

 If a and b are two whole numbers, then a-b = c will be a whole number if
A). a < b 

B). a > b

C). a = b

D). both (b) and (c)

D). both (b) and (c)

200

Predecessor of lowest positive integer is
A). zero

B). -1

C). 1

D). none of these

A). zero

200

 Value of (2−35)−2(2−35)−2 is
A). 11600

B). 1600

C). 140

D). 40

Hint there all fractions even the question

B). 1600

300

If the decimal number is a fiction then its binary equivalent is obtained by _____ the number continuously by ____

A. Diving 

B Multiplying 

C. Adding

D. Subtract ing

B. Multiplying

300

 A two-digit number is such that the sum of the digits is 11. When the number with the same digits is reversed is subtracted from this number, the difference is 9.What is the number?

1. 23
2. 24
3. 65
4. 14

3. 65

300

Multiplicative identity of whole number 'a' is
A). 1

B). 1/a

C). a+1

D). a-1

A). 1

300

If 'a' and 'b' are two rational numbers, then (ab)−n(ab)−n is equal to
A). −n(ab)−n(ab)

B). −(ab)−(ab)

C). 1(ba)n1(ba)n

D). 1(ab)n

D). 1(ab) n

300

If x−2/3x−2/3 = 1414 and x is a positive whole number, then the value of 2x is
A). 8

B). 16 

C). 24

D). 32

B). 16

400

The representation of octal number (532.2) in decimal ___

A. (346.25) 10

B. (532.864) 10

C. (340.67) 10

D. (531.668) 10

A. (346.25 10

400

 One-fifth of a number is equal to 5/8th of another number. If 35 is added to the first number, it becomes four times the second number. Find the second number.

1. 39
2. 70
3. 40
4. 25

3. 40

400

if number 'b' is a factor of a number 'a', then 'a' divided by 'b' gives the remainder
A). any number greater than zero

B). any number less than zero

C). zero

D). one

C). one

400

 If sum of integers from 101 to 200, inclusive is subtracted from the sum of integers from 201 to 300 inclusive, then the result is
A). 0

B). 100

C). 1000

D). 10000

D). 10000

400

 If x2x2 = 64 and y2y2 = 49, then difference between greatest possible value of (x - y) and least possible value of (x + y) is
A). 0

B). 10

C). 15

D). 30

D). 30

500

The decimal equivalent of the binary number (1011.011)2 is ________

A. (11.375)10

B. (10.123)10

C. (11.175)10

D. (9.23)10

A. (11.375)10

500

What least number would be subtracted from 427398 so that the remaining number is divisible by 15?

1. 3
2. 10
3. 16
4. 11

1. 3

500

Value of (−1)−13(−1)−13 is
A). 1

B). -1

C). (113)(113)

D). -13

B). -1

500

 If k≠0k≠0 and k≠1k≠1, then which of the following cannot be true?
A). k2>k

B). k2<k

C). k2=k

D). Both b and c

C). k2=k

500

No square of a number ends with
A). 2,3,7 and 8

B). 3,5,6 and 8

C). 2,5,7 and 9

D). 2,3,7 and 9

A). 2,3,7 and 8