Quantitative Aptitude - Arithmetic Ability Questions

If cosec∅+sin∅cosec∅-sin∅=53 then the value of sin∅is equal to

What is the place value and face value of 9 in 68956 respectively?

Due to increase of k% in the side, the area of a square increases by 69%. What is the value of k?

In the following question, select the odd letters from the given alternatives.

A 1.6 m tall observer is 45 meters away from a tower. The angle of elevation from his eye to the top of the tower is 30°, then the height of the tower in meters is

Coefficient of x in (x + 9)(8 - 5x) is

What is the difference (in Rs) in Compound interest earned in 1 year on a sum of Rs 25,000 at 20% per annum compounded semi-annually and annually?

The difference between the compound interest (compounding annually) and simple interest on a sum at the rate of 12% per annum for 2 years is Rs 360. What is the sum (in Rs)?