Number System MCQ Set 8

NUMBER SYSTEM MCQ SET 8

1. If 4M37094267N is divisible by both 8 and 11 , where M and N are single digit integers , then the valued M and N is :

(a) M = 5 , N = 6

(b) M = 2 , N = 5

(c) M = 5 , N = 2

(d) M = 5 , N = 4

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Answer: C

2. What is the least value of x + y , if 10 digit number 780x533y24 is divisible by 88?

(a) 4

(b) 3

(c) 1

(d) 2

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Answer: D

3. If the nine – digit number 7p5964q28 is completely divisible by 88 , what is the value of (p^2 – q) , for the largest value of q , where p and q are natural numbers ?

(a) 72

(b) 9

(c) 0

(d) 81

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Answer: A

4. If the nine digit number 9m2365n48 is completely divisible by 88 , what is the value of (m^2 x n^2) for the smallest value of n , where m and n are natural numbers ?

(a) 32

(b) 64

(c) 20

(d) 36

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Answer: B

5. If the number 55p1067q9 is exactly divisible by 99 , then pq is equal to :

(a) 35

(b) 28

(c) 36

(d) 42

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Answer: A

6. If the 9 – digit number 4x92y6588 is exactly divisible by 99(x + y < 10) , then what s the value of 2(y – x) ?

(a) -2

(b) 1

(c) 2

(d) -1

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Answer: C

7. Which of the following numbers is divisible by 55?

(a) 178765

(b) 185625

(c) 171125

(d) 164485

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 Answer: B

8. If the 5 – digit number 535ab is divisible by 3 , 7 and 11 , then what is the value of (a² – b² + ab) ?

(a) 95

(b) 83

(c) 89

(d) 77

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Answer: A

9. If the 5 – digit number 235xy is divisible by 3 , 7 and 11 , then what is the value of (3x – 4y)?

(a) 8

(b) 9

(c) 5

(d) 10

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Answer: D

10. The number 833p2q is exactly divisible by 7 , 11 and 13 . What is the value of (p – q) ?

(a) 8

(b) 3

(c) 5

(d) 11

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Answer: C