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Question 1
The least positive number which should be added to 2291 so that the sum is exactly divisible by 4, 5, 8 and 10?
Question 2
The HCF and LCM of two numbers is 6 and 5040 respectively. If one of the numbers is 210, then the other number is:
Question 3
The LCM of two numbers x and y is 204 times their HCF. If their HCF is 12 and the difference between the numbers is 60, then x + y = ?
Question 4
What is the third proportional to 9 and 45?
Question 5
The HCF of two numbers is 1/5th of their LCM. IF the product of the two numbers is 720, then the HCF of the numbers is:
Question 6
What is the least number of soldiers that can be drawn up in troops of 10, 12, 15, 18 and 20 soldiers, and also in form of a solid square?
Question 7
If LCM of two numbers is 231, HCF of two numbers is 11 and one number is 77, the other number is:
Question 8
Let x be the greatest number such that when 12085, 16914 and 13841 are divided by it, the remainder in each case is same. The sum of digits of x is:
Question 9
Three numbers which are co-prime to one another are such that the product of the first two is 551 and that of the last two is 1073. The sum of the three numbers is:
Question 10
Find the greatest number such that when 86,261,521 are divided by it, it leaves the same remainder.
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Mar 18SSC & Railway
