Quantitative Aptitude - Arithmetic Ability Questions

Find the products : 0.5 x 0.05 x 0.005 x 500

A certain number of men agreed to do a work in 20 days. 5 men did not come for work. Others completed the work in 40 days. Find the number of men who had agreed to do the work originally.

A can paint a house in 42 days and B can do it in 21 days. Along with C, they can finish the job in 7 days only.C alone can do the painting job in how many days, ?

A sum of money (P) doubles in 10 years. How much would it be in 20 years at the same rate of simple interest?

What is the value of 2 - 2z + z22 + 2z - z2, when z+2z = 2 ?

What is the value of [tan (90 – A) + cot (90 – A)]2/[2 sec2(90 – 2A)]?

If M = 0.1 + (0.1)2 + (0.01)2 and N = 0.3 + (0.03)2 + (0.003)2, then what is the value of M + N?

ΔABC is right angled at B. If m ∠A = 60°, then what is the value of 1/√3 Cosec C?