Hello Aspirants, Under " Number System Questions and Answers ( Practice Test 1 ) " we will deal with 10 Multiple Choice Questions based on previous year questions asked in various competitive exams under Number System section.

This is the first practice paper for Number System.

Try to achieve 10 out of 10 by answering all questions correctly.

Best of Luck

Q 1. What least number must be added to 1056, so that the sum is completely divisible by 23 ?

A. 1

B. 2

C. 10

D. None of these

Q 2. Which one of the following is not a prime number ?

A. 31

B. 61

C. 91

D. None of these

Q 3. The difference between the local value and the face value of 7 in the numeral 32675149 is :

A. 69999

B. 69998

C. 69993

D. Cannot Be Determined

Q 4. If n is a natural number, then (6n^{2} + 6n) is always divisible by :

A. 12

B. 6

C. 18

D. 6 and 12 both

Q 5. If the number 5 a 2 is divisible by 6, then a = ?

A. 1

B. 2

C. Cannot Be Determined

D. None of these

Q 6. Which one of the following numbers is completely divisible by 45 ?

A. 202862

B. 202860

C. 202865

D. 202869

Q 7. On dividing 2272 as well as 875 by 3-digit number N, we get the same remainder. The sum of the digits of N is :

A. 10

B. 11

C. 12

D. 13

Q 8. n is a whole number which when divided by 4 gives 3 as remainder. What will be the remainder when 2n is divided by 4 ?

A. 2

B. 4

C. 5

D. 6

Q 9. How many numbers from 29 to 98 are exactly divisible by 9 ?

A. 5

B. 6

C. 7

D. 8

Q 10. What is the unit digit in 7^{35} - 3^{48} ?

A. 1

B. 2

C. 3

D. 4

At Last, Thanks for choosing LOUD STUDY

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