Home » Numbers – Questions and Answers – Quiz 1

# Numbers – Questions and Answers – Quiz 1

1. Which one of the following is not a prime number?
31
61
71
91

2. (112 x 54^4) = ?
67000
70000
76500
77200

3. It is being given that (2^32 + 1) is completely divisible by a whole number. Which of the following numbers is completely divisible by this number?
(2^16 + 1)
(2^16 – 1)
(7 x 2^23)
(2^96 + 1)

4. What least number must be added to 1056, so that the sum is completely divisible by 23 ?
2
3
18
21

5. 1397 x 1397 = ?
1951609
1981709
18362619
2031719

6. (935421 x 625) = ?
575648125
584638125
584649125
585628125

7. How many of the following numbers are divisible by 132 ? 264, 396, 462, 792, 968, 2178, 5184, 6336
4
5
6
7

8. The largest 4 digit number exactly divisible by 88 is:
9944
9944
9988
8888

9. Which of the following is a prime number ?
33
81
93
97

10. What is the unit digit in {(6374)^1793 x (625)^317 x (341^491)}?
0
2
3
5

11. 5358 x 51 = ?
273258
273268
273348
273358

12. The sum of first five prime numbers is:
11
18
26
28

13. The difference of two numbers is 1365. On dividing the larger number by the smaller, we get 6 as quotient and the 15 as remainder. What is the smaller number ?
240
270
295
360

14. (12)^3 x 64 ÷ 432 = ?
5184
5060
5148
5084

15. 72519 x 9999 = ?
725117481
674217481
685126481
696217481

16. If the number 517*324 is completely divisible by 3, then the smallest whole number in the place of * will be:
0
1
2
None of these

17. The smallest 3 digit prime number is:
101
103
109
113

18. Which one of the following numbers is exactly divisible by 11?
235641
245642
315624
415624

19. (?) – 19657 – 33994 = 9999
63650
53760
59640
61560

20. The sum of first 45 natural numbers is:
1035
1280
2070
2140

21. Which of the following number is divisible by 24 ?
35718
63810
537804
3125736

22. 753 x 753 + 247 x 247 – 753 x 247 / 753 x 753 x 753 + 247 x 247 x 247 = ?
1/1000
1/506
253/500
None of these

23. (?) + 3699 + 1985 – 2047 = 31111
34748
27474
30154
27574

24. If the number 481 * 673 is completely divisible by 9, then the smallest whole number in place of * will be:
2
5
6
7

25. The difference between the local value and the face value of 7 in the numeral 32675149 is
75142
64851
5149
69993

26. The difference between a positive proper fraction and its reciprocal is 9/20. The fraction is:
3/5
3/10
4/5
4/3

27. On dividing a number by 56, we get 29 as remainder. On dividing the same number by 8, what will be the remainder ?
4
5
6
7

28. If n is a natural number, then (6n^2 + 6n) is always divisible by:
6 only
6 and 12 both
12 only
by 18 only

29. 107 x 107 + 93 x 93 = ?
19578
19418
20098
21908

30. 2What will be remainder when (67^67 + 67) is divided by 68 ?
1
63
66
67

31. On dividing a number by 5, we get 3 as remainder. What will the remainder when the square of the this number is divided by 5 ?
0
1
2
4

32. How many 3-digit numbers are completely divisible 6 ?
149
150
151
166

33. How many 3-digit numbers are completely divisible 6 ?
8
11
12
13

34. How many of the following numbers are divisible by 3 but not by 9 ? 2133, 2343, 3474, 4131, 5286, 5340, 6336, 7347, 8115, 9276
5
6
7
None of these

35. (963 + 476)^2 + (963 – 476)^2 / (963 + 476)2 + (963 – 476)2 = ?
1449
497
2
4

36. How many 3 digit numbers are divisible by 6 in all ?
149
150
151
166

37. A 3-digit number 4a3 is added to another 3-digit number 984 to give a 4-digit number 13b7, which is divisible by 11. Then, (a + b) = ?
10
11
12
15

38. 8597 – ? = 7429 – 4358
5426
5706
5526
5476

39. The smallest prime number is:
1
2
3
4

40. The smallest prime number is:
88888888
888888888
898989898
9999999998

41. On dividing a number by 357, we get 39 as remainder. On dividing the same number 17, what will be the remainder ?
0
3
5
11

42. If the product 4864 x 9 P 2 is divisible by 12, then the value of P is:
2
5
6
None of these

43. Which one of the following is the common factor of (47^43 + 43^43) and (47^47 + 43^47) ?
(47 – 43)
(47 + 43)
(47^43 + 43^43)
None of these

44. -84 x 29 + 365 = ?
2436
2801
-2801
-2071

45. A number when divided by 296 leaves 75 as remainder. When the same number is divided by 37, the remainder will be:
1
2
8
11

46. In dividing a number by 585, a student employed the method of short division. He divided the number successively by 5, 9 and 13 (factors 585) and got the remainders 4, 8, 12 respectively. If he had divided the number by 585, the remainder would have been
24
144
292
584

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