Quantitative Aptitude - Arithmetic Ability Questions

If selling price is Rs. 72 and Gain percentage = 20%, calculate the Cost Price.

If sinθ x cosθ = 1⁄2 . The value of sinθ ­- cosθ is where 0°< θ< 90°

For which value of ‘g’ the linear graph of 6x + 12y +9 = 0 and 2x + gy + 3 = 0 has infinite number of solutions?

In the following question, four number pairs are given. The number on left side of (–) is related to the number of 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 alternatives.

One of four words is a class to which the other three belong. Identify the class.

If x tan 60° + cos 45° = sec 45° then the value of x2 + 1 is

If [√(a2 + b2 + ab)] + [√(a2 + b2 – ab)] = 1, then what is the value of (1 – a2 )(1 – b2 )?

On dividing a number by 38, we get 70 as quotient and 12 as remainder. What is the number?