EASY
CAT
IMPORTANT
Earn 100
The sum of two numbers is and their difference is of their sum. Their HCF is
50% studentsanswered this correctly
Important Questions on HCF and LCM
EASY
CAT
IMPORTANT
Three numbers which are co-prime to one another are such that the product of first two is and that of the last two is ; the sum of the three numbers is
EASY
CAT
IMPORTANT
A boy running up a staircase finds that when he goes up two steps at a time there is one step over; when he goes up three at a time there are two over and when he goes up four at a time, there are three over. Find the number of stairs, which is somewhere between and .
EASY
CAT
IMPORTANT
A number when divided by leaves a remainder , when divided by leaves a remainder , when divided by leaves a remainder and when divided by leaves a remainder . Determine the number.
HARD
CAT
IMPORTANT
When and are divided by a certain number of three digits, the remainders are the same. Find the remainder.
EASY
CAT
IMPORTANT
Four prime numbers are written in ascending order of their magnitudes. The product of first three is and that of last three is . What is the largest given prime number?
MEDIUM
CAT
IMPORTANT
The LCM of two numbers is per cent more than their HCF and the sum of LCM and HCF of two numbers is . If one of the numbers is , find the other number.
EASY
CAT
IMPORTANT
The LCM of three numbers is and HCF is . If the two numbers are and , find the third least number.
EASY
CAT
IMPORTANT
A man has a certain number of small boxes to pack into parcels. If he packs or in a parcel he is left with one. If he packs in a parcel, none are leftover. What is the number of boxes he may have to pack?
