10 Important Math MCQs for most of the competitive examinations
Que 1: A constable is 114 behind a thief. The constable runs 21 mtr in a min and the thief 15 mtr in a minute. in what time will the constable catch the thief?
(A) 16 min
(B) 19 min
(C) 18 min
(D) 17 min
Correct Ans: B
Que 2: Among how many children may 429 mangoes and also 715 oranges be equally divided?
(A) 119
(B) 143
(C) 157
(D) 195
Correct Ans: B
Que 3: Find the HCF of 35/12, 49/30, and 21/40.
(A) 12/29
(B) 9/120
(C) 7/120
(D) 53/120
Correct Ans: C
Que 4: Two numbers are in the ratio 5 : 7 if their HCF is 4 find the numbers
(A) 15, 21
(B) 35, 49
(C) 50, 70
(D) 20, 28
Correct Ans: D
Que 5: Find the least number which when divided by 16, 24 and 36 leaves the remainders 7, 25 and 27 respectively.
(A) 136
(B) 135
(C) 145
(D) 256
Correct Ans: B
Que 6: The HCF of 1056, 1584, 2178 is
(A) 66
(B) 56
(C) 62
(D) 64
Correct Ans: A
Que 7: The LCM of 22, 54, 108, 135 is
(A) 5940
(B) 5490
(C) 5405
(D) 5095
Correct Ans: A
Que 8: Find the average of all prime numbers between 30 and 50.
(A) 39.8
(B) 38.8
(C) 37.8
(D) 41.8
Correct Ans: A
Que 9: A batsman scored 110 runs which included 3 boundaries and 8 sixes. what percent of total score did he make by running between the wickets.
(A) 45%
(B) 500/11%
(C) 600/11%
(D) 55%
Correct Ans: B
Que 10: The price of petrol went up by 25%. in order that expenses on petrol should not increase one must reduce travel by
(A) 25%
(B) 20%
(C) 18%
(D) 15%
Correct Ans: B
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