10 Important Math MCQs for most of the competitive exams
Que 1: 0.01 is what percent of 0.1 ?
(A) 10
(B) 1/10
(C) 100
(D) 1/100
Correct Ans: A
Que 2: An article costs Rs. 50 presently. The rate of inflation is 300%. What will be cost of this article after 2 yr?
(A) Rs 200
(B) Rs 600
(C) Rs 800
(D) Rs 1000
Correct Ans: C
Que 3: Find the ratio between LCM and HCF of 5,15 and 20
(A) 8:1
(B) 14:3
(C) 12:2
(D) 12:1
Correct Ans: D
Que 4: The HCF and LCM of two numbers are 18 and 3780 respectively. if one of them is 540 then the second one is
(A) 142
(B) 126
(C) 118
(D) 112
Correct Ans: B
Que 5: The two numbers are in the ratio of 2 : 3 and the product of their HCF and LCM is 33750 , then sum of number is
(A) 250
(B) 425
(C) 325
(D) 375
Correct Ans: D
Que 6: The least number which when divided by 20, 25, 35 and 40 leaves the remainder 14, 19, 29 and 34 respectively, is
(A) 1664
(B) 1406
(C) 1404
(D) 1394
Correct Ans: D
Que 7: The largest number which divides 25, 73 and 97 to leave the same remainder in each case each is
(A) 24
(B) 23
(C) 21
(D) 6
Correct Ans: A
Que 8: Three- fifth of the square of a certain number is 126.15 what is the number?
(A) 14.5
(B) 75.69
(C) 145
(D) 210.25
Correct Ans: A
Que 9: A circular plot covers an area of 154 cm². how much long wire is required for fencing the plot.
(A) 40 m
(B) 42 m
(C) 44 m
(D) 45 m
Correct Ans: C
Que 10: The largest number of five digits when it is a perfect square is
(A) 99967
(B) 99764
(C) 99856
(D) 99999
Correct Ans: C
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