Quantitative Aptitude - Arithmetic Ability Questions

The first and last terms of an arithmetic progression are 37 and ­18. If the sum of the series is 114, then it has how many terms?

If 3√2 + √18 + √50 = 15.55, then what is the value of √32 + √72?

In ∆DEF measure of angle E is 90°. If secD = 25/7, and DE = 1.4cm, then what is the length (in cm) of side DF?

Find two numbers whose sum is 29 and the product is 100.

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.

3 hrs after a goods train passed a station, another train travelling at a speed of 88 km/hr following that goods train passed through that station. If after passing the station the train overtakes the goods train in 8 hours. What is the speed of the goods train?

A sum fetched a total simple interest of Rs 5320 at the rate of 7% per year in 5 years. What is the sum?

Factors of 36 -