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Question 1
Find the smallest number which should be added to the smallest number divisible by 6, 9 and 15 to make it a perfect square.
Question 2
The ratio of two numbers is 5 : 4 and their HCF is 4 . What is their LCM?
Question 3
What will be the least number which when doubled will be exactly divisible by 15, 18, 25 and 32?
Question 4
The HCF of two numbers 2040 and 391 is:
Question 5
Two numbers are in the ratio of 6 : 5. If their HCF is 3, then what is the LCM of the two numbers?
Question 6
How many distinct natural numbers are the divisors of (30)4?
Question 7
Three milk containers A, B and C contain milk 637 liters ,707 liters and 1523 liters respectively. Ram takes 8 liters from container A, 4 liters from container B and average of taken milk from container A and B taken from container C. Remaining liters of milk packed into bottles having equal volume. Find total number of bottles that are needed to pack the milk?
Question 8
Which of the following is the smallest number that is a perfect square and is divisible by each of the numbers 6, 8 and 15?
Question 9
The HCF and LCM. of two numbers are 286 and 1716 respectively. If the ratio between the two numbers is 2 : 3, then the greater of the two numbers is
Question 10
The ratio of two numbers is 9 : 17 and their HCF is 13 . Their LCM is:
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Mar 26SSC & Railway
