Quantitative Aptitude - Arithmetic Ability Questions

If A is 50% more than B, then B is what percent of A?

What is the total surface area (in sq cm) of a hollow cylinder open at both ends, if its length is 22 cm, external radius is 7 cm and thickness is 1 cm? (Take π = 22/7)

Possible length of the three sides of a triangle are :­

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

If the angles of a triangle are in the ratio of 2 : 5 : 8, then find the value of the largest angle.

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

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

ΔDEF is right angled at E. If cosecD = 5/4, then what is the value of cosecF?