Quantitative Aptitude - Arithmetic Ability Questions

Ramu can row 9 kmph in still water. It takes him twice as long to row up as to row down. Find the rate of stream.

A superfast Duronto express running at 90 kmph overtakes a bike running at 36 kmph in 25 seconds. What is the length of the train in meters?

A farmer's land is in the shape of a trapezium which has its parallel sides measuring 2.56 yards and 3.44 yards and the distance between the parallelsides in 1.44 yards. The cost of ploughing the land is Rs 1800 per square yard. What amount will (in Rs) have to be spent in order to plough the entire land?

If 5x + 6(3-2x) = 4, then what is the value of x?

If x = 3+13, then the value of x-12642x-1x-233 is

Select the odd number from the given alternatives.

If 123 x 356 = 43788, then 1.23 x 0.356 = ?

If √(1 - cos2A) = x, then the value of x is