Quantitative Aptitude - Arithmetic Ability Questions

Find the least number that must be subtracted from 98534, to get a number exactly divisible by 824.

R is 80% more efficient than S. If S alone can make a book in 90 days, then R alone can make the book in how many days?

Find the length of a transverse common tangent of the two circles whose radii are 3.5 cm, 4.5 cm and the distance between their centres is 10 cm.

In triangle ABC measure of angle B is 90 deg. If sinA = 24/25, and AB = 1.4cm, then what is the length (in cm) of side BC.

What is the sum of the first 13 terms of an arithmetic progression if the first term is -10 and last term is 26?

If X + 2Y = 27 and X - 2Y = -1, find the value of Y.

A square park having a side 22 m has two roads each 2 m wide running in the middle of it and parallel to its length and breadth. What will be the cost of gravelling the path at the rate of Rs.100/sq.m?

The 3rd and 6th term of an arithmetic progression are 19 and 37 respectively. What is the 13th term?