Quantitative Aptitude - Arithmetic Ability Questions

The diagonal of a square is equal to the side of an equilateral triangle. If the area of the square is 15√3 sq cm, what is the area of the equilateral triangle?

Incentre of Δ ABC is I. ∠ABC = 90° and ∠ACB = 70°. ∠AIC is

If PA and PB are two tangents to a circle with centre O such that ∡APB = 80°. Then ∡AOP = 

If a + b = 17 and a - b = 9 then the value of (4a2 + 4b2) is,

If x-1x = 10, then find the value of x4+1x2

If x = 5 + 15 - 1 & y = 5 - 15 + 1, then find the value of x2 - y2.

Δ ABC is right angled at B. If m∠A = 60°, then what is the value of 2 Sec C x 1/2 Sin A?

Calculate the principal if an amount of Rs. 441 is received on compound interest at the rate of 5% per annum after 2 years.