HCF LCM Quantitative Aptitude – MCQ Questions Answers
1) How many numbers between 400 and 500 are exactly divisible by 12,15 and 20 ?
a) One
b) Two
c) Three
c) None of these
2) The sum of two numbers is 216 and their HFC is 27. The number are
a) 27,189
b) 154,162
c) 108,108
d) 81,189
3) Find the largest number which divides 62,132 and 237 to leave the same remainder in each case.
a) 21
b) 30
c) 35
d) 40
4) The sum number of two numbers is 528 and their HCF is 33. The number of pairs of such numbers satisfying the above condition is
a) 6
b) 12
c) 8
d) 4
5)What is the least number by which 2352 is to be multiplied to make it a perfect square.
a) 6
b) 4
c) 3
d) 8
6) Find the greatest possible length of the planks, if three pieces of timber 42 m, 49 m and 63 m long have to be divided into planks of the same length.
a) 8
b) 49
c) 7
d) 63
7) Find the smallest number of five digits exactly divisible by 16,24,36 and 54.
a) 10244
b) 10296
c) 10368
d) 10291
8) The number between 200 and 300, which when divided by 6,8 or 9 leaves remainder 8 in each case, are
a) 216,288
b) 224,296
c) 210,240
d) 224,288
9) Find the greatest number which can divide 284,698 and 1618 leaving the same remainder 8 in each case.
a) 23
b) 46
c) 25
d) 29
10) The product of two numbers is 12960 and their HCF is 36. How many pairs of such numbers can be formed?
a) 3
b) 4
c) 5
d) 2