Quantitative Aptitude - Arithmetic Ability Questions

If secA + tanA = a, then the value of cosA is

A piece of work can be done by 16 men in 8 days working 12 hours a day. How many men are needed to complete another work, which is three times the first one, in 24 days working 8 hours a day?

The rate of simple interest per annum at which a sum of money double itself in 162⁄3 yrs. is

Δ ABC is right angled at B. If m∠A = 30°, what is the length of AB (in cm), if AC = 10 cm?

The chord AB of a circle of centre O subtends an angle θ with the tangent at A to the circle. Then measure of∠ABO is

If the volumes of two right circular cones are in the ratio 1:4 and their diameters of bases in the ratio 4:5, then their heights will be in the ratio:

What is the value of (tan60 - 1/3) ?

Find the odd word/letters/number pair from the given alternatives