Quantitative Aptitude - Arithmetic Ability Questions

What is the average of all the one digit, two digit and three digit natural numbers?

The average weight of P, Q and R is 71 kg. If the average weight of P and Q be 66 kg and that of Q and R be 76.5 kg, then the weight (in kg) of Q is.

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

What is the value of [2 cot × (p – A)/2]/[1 + tan2× (2p – A)/2]?

The standard deviation of the set {10, 11, 12, 9, 8} is

If 9/4th of 7/2 of a number is 126, then 7/2th of that number is _____.

What is the value of 99992 x 100008?

If (cotAcotB - 1) / (cotB + cotA) = x, then the value of x is