Quantitative Aptitude - Arithmetic Ability Questions

If a number is reduced by 35%, then it becomes 416. By how much percent should the number be increased so that it become 876.8?

The length of one side of a rhombus is 41 cm and its area is 720 sq.cm. What is the sum of the lengths of its diagonals?

What will be the average of all the prime numbers before 19?

3 years ago, the ratio of Maya's and Shikha's age was 5:9respectively. After 5 years, this ratio would become 3:5. Find present age of Maya?

A shop keeper purchased 10 kg of rice and 20 kg of sugar at Rs. 75 and Rs. 85 per kg respectively. On selling, he gained 20% on rice and 10% on sugar. What was the total sale price?

Simple interest on a sum of Rs 3300 for 5 years is Rs 1980. What is the annual rate (in percentage) of interest?

In a triangle the length of the side opposite the angle which measures 45° is 8 cm, what is the length of the side opposite to the angle which measures 90°?

O is the centre of a circle and AB is the tangent to it touching at B . If OB = 3 cm. and OA = 5 cm , then the measure of AB in cm