Quantitative Aptitude - Arithmetic Ability Questions

Price of 1 kg of sugar is increased by 30% and the increase is of Rs 48. What is the new price (in Rs) of the sugar per kg?

Two equal arcs of two circles subtend angle of  60° and 75° at the centre. The ratio of the radii of the two circles is

A shopkeeper wants to earn 33% profit on an article after offering 30% discount. By how much percentage more he should mark the price of his article above cost price?

The length of the radius of the circumference of a triangle having sides 9 cm, 12 cm and 15 cm is

If cot A = [sin B/(1 – cos B)], then what is the value of cot 2A?

4 years ago, the respective ratio between 1/2 of A’s age at that time and four times of B’s age at that time was 5 : 12. Eight years hence 1/2 of A’s age at that time will be less than B’s age at that time by 2 years. What is B’s present age ?

If two successive discounts of 20% and 30% are given, then what is the net discount (in %)?

When a number is increased by 24, it becomes 115% of itself. What is the number?