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Given:
What must be added to (7/20) to make it (3/4)?
If (3/4)th of a number is subtracted from (5/6)th of that number, then the resultant will be (2/6). Find the number.
Find the fourth proportional of 12, 24, and 30.
If the 4-digit number y29z is exactly divisible by 9, what is the least value of (y + z)?
Find the number of trailing zeros in 475!
How many terms are there in the geometric progression 4, 20, 100...... 62500?
A number leaves a remainder of 21 when divided by 55. Find the remainder when the same number is divided by 11.
How many numbers lie between 2000 and 3000 divisible by 5 can be made with the digits 2, 3, 4, 5, 6, 7 and 8 without repeating any digit?
The sum of two numbers is 32 and one of them exceeds the other by 18. Find the greater number.