Quantitative Aptitude - Arithmetic Ability Questions

ΔABC is right angled at B. BD is an altitude. AD = 3 cm and DC = 9 cm. What is the value of AB (in cm)?

If Sin4A - Cos4A = 1 then (A/2) in degrees is 0° < A ≤ 90°

The angle of elevation of the top of a tower from a point A on the ground is 30°. On moving a distance of 20 metres towards the foot of the tower to a point B, the angle of elevation increases to 60°. The height of the tower in meters is

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

In the following question, four number pairs are given. The number on left side of (–) is related to the number on the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given options.

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

In the following question, select the odd letter/letters from the given alternatives.

If secA/(secA ­- 1) + secA/(secA + 1) = x, then x is