Quantitative Aptitude - Arithmetic Ability Questions

Rashika can do a work in 5 days. Rashmi can do the same work in 7 days. Both of them finish the work together and they get Rs 240 for the work. What isthe share (in Rs) of Rashika?

ABCD is a trapezium in which AB is parallel to CD and AB = 4(CD). The diagonals of the trapezium intersects at O. What is the ratio of area of triangle DCO to the area of the triangle ABO?

If (cosecA -­ 1)/(cosecA + 1) = x, then the value of x is

If Sin4A - Cos4A = 1 then (A/2) in degrees is 0° < A ≤ 90°

9997 x 10003 = ?

In the following question, four groups of three numbers are given. In each group the second and third number are related to the first number by a Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.

If compound interest received on a certain amount in the 3rd year is Rs. 1,240, what will be the compound interest (in Rs) for the 4th year on the same amount at 9% rate of interest?

Mukesh got series of discount 30%, 25%, 15% on his shirt. Find out the single equivalent discount.