Quantitative Aptitude - Arithmetic Ability Questions

If 1aa2+1 = 3, then the value of a6+1a3 is

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.

What is the value of [(sin 59° cos 31° + cos 59° sin 31° )÷(cos 20° cos 25° – sin 20° sin 25° )]?

If x = cosecθ - sinθ and y = secθ - cosθ, then the relation between x and y is

Find the area (in sq.cm) of a semi-circle of radius 7 cm

Find the area (in cm2) of a semi-circle of radius 28 cm.

If the price of sugar is decreased by 18%, then a person can buy 16.2 kg sugar more for Rs 4500. What will be the new price (in Rs) of sugar per kg?

The value of -261+(-380)-(-521)+821-(-121)