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Question 1
Find the least number which when divided by 5, 6, 7 and 8 leaves a remainder 3, but when divided by 9 leaves no remainder.
Question 2
The common factor of 12a4b6, 18a6c2, 36a2b2 is:
Question 3
The length of a rectangular floor is 25.27 metre and width is 22.61 metre. Some square shaped tiles are to be installed on the floor. what is minimum number of tiles which can be installed on the floor?
Question 4
What is the smallest number that leaves remainder 5 when divided by 13, 15 and 17.
Question 5
How many numbers between 400 and 800 are divisible by each 4, 5 and 6?
Question 6
Find the largest number of four digits exactly divisible by 12, 15, 18 and 27.
Question 7
Three bells A, B and C toll together after 10, 12 and 25 minutes respectively. If they toll together at 6:00 am, when will they toll together again?
Question 8
Sum of HCF and LCM of two numbers is 128 and the ratio between HCF and LCM is 3:5. If one of the numbers is 60, which of the following is not a factor of another number?
Question 9
The greatest 4-digit number exactly divisible by 10, 15, 20 is
Question 10
Find the HCF of (4315 − 1) and (425 − 1):
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Sep 19SSC & Railway
