Number System 3
21 . Which of the following is a prime number?
(a) 35
(b) 53
(c) 88
(d) 90
(e) None of the above
Answer :- (b) 53
22. Find the quotient when 445 is divided by 5.
(a) 78
(b) 48
(c) 79
(d) 89
(e) None of the above
Answer :- (d) 89
23. Find the remainder when 54 is divided by 17.
(a) 5
(b) 3
(c) 2
(d) 7
(e) None of the above
Answer:- (b) 3
24. Find the dividend when divisor is 13, quotient is 30 and remainder is 12.
(a) 402
(b) 543
(c) 436
(d) 455
(e) None of the above
Answer:- (a) 402
25. What is the remainder in the expression 29—? 26
(a) 29
(b) 26
(c) 18
(d) 0
(e) None of the above
Answer :- (c) 18
26. Find the dividend from the expression 41±. 19
(a) 783
(b) 800
(c) 893
(d) 387
(e) None of the above
Answer:- (a) 783
27. When 1/7 of a number is subtracted from the number itself, it gives the same value as the sum of all the angles of a triangle. What is the number?
(a) 224
(b) 210
(c) 140
(d) 350
(e) 187
Answer :- (b) 210
28. What least number must be added to 1057 to get a number exactly divisible by 23?
(a) 1
(b) 3
(c) 2
(d) 4
(e) None of the above
Answer:- (a) 1
29. In a division sum, the divisor is ten times the quotient and five times the remainder. If the remainder is 46, then find the dividend.
(a) 5388
(b) 5343
(c) 5336
(d) 5391
(e) None of the above
Answer:- (c) 5336
30. The product of two consecutive odd numbers is 6723. What is the greater number?
(a) 89
(b) 85
(c) 91
(d) 83
(e) None of the above
Answer:- (d) 83
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