Quantitative Aptitude - Arithmetic Ability Questions

If sec θ + tan θ = 2, then sec θ - tan θ = ?

What will be the compound interest earned on an amount of Rs. 5000 in 2 years?

I. The simple interest on the same amount at the same rate of interest in 5 years is Rs.2000.

II. The compound interest and the simple interest earned in one year is the same.

III. The amount becomed more than double on compound interest in 10 years.

Find the compound interest on Rs. 10,000 in 2 years at 4% per annum, the interest being compounded half-yearly.

Find the Next Number in the given number series?

3, 10.5, 36.75, 128.625, ?

What percent of 7.2 kg is 18 gms ?

Select the figure which does not belong to the group:

Select the odd figure one out the given series.

A man sitting in a train which is traveling at 50 kmph observes that a goods train, traveling in opposite direction, takes 9 seconds to pass him. If the goods train is 280 m long, find its speed.?