Quantitative Aptitude - Arithmetic Ability Questions

32% of a number is 80. What is the number?

O is the center of the circle and two tangents are drawn from a point P to this circle at points A and B. If ∠AOP = 50°, then what is the value (in degrees) of ∠APB?

In triangle ABC measure of angle B is 90 deg. If sinA = 24/25, and AB = 1.4cm, then what is the length (in cm) of side BC.

A boat goes 15 km upstream and 10 1/2 km down stream in 3 hrs 15 min. It goes 12 km upstream and 14 km downstream in 3 hrs. What is the speed of the boat in still water?

A 25m long ladder is rested on a wall. The foot of the ladder is 7m away from the wall. If the end of the ladder (resting on the wall) slides down 4m, then how far will its foot move away?

ΔDEF is right angled at E. If m∠F = 30 deg, then find the value of (sinD - 1/3).

The 3rd and 6th term of an arithmetic progression are 19 and 37 respectively. What is the 13th term?

Find the total surface area (in cm²) of a right circular cone of diameter 14 cm and slant height 10 cm.