Quantitative Aptitude - Arithmetic Ability Questions

What is the simplified value of (sec A + cos A)(sec A – cos A)?

A train is moving with uniform speed crosses two tunnels of lengths 270 metres and 450 metres in 12 seconds and 15 seconds respectively. What is the speed (in km/hr) of the train?

The surface area of a sphere is 5544 sq.cm. Find its diameter (in cm).

Length of three line segments isgiven. Is construction of a triangle possible with the segments in the given cases?

If the difference of the compound interest and the simple interest on a sum of money for 3 years is Rs. 186. Find the sum of money, if the rate of interest in both case be 10%

Select the odd word/letters/number/number pair from the given alternatives.

Find out the odd word/letters/number/number pair from the given alternatives.

Find out the odd word/letters/number/number pair from the given alternatives.