Quantitative Aptitude - Arithmetic Ability Questions

If the sum of squares of two real numbers is 41 and their sum is 9. Then the sum of cubes of these two numbers is

Sonam's age after eight years will be half of her father's age. Eight years ago the ratio of their ages was 1 : 3. Find the present age of Sonam's father.

What is the value of [(sin x + sin y) (sin x – sin y)]/[(cosx + cosy) (cosy – cosx)]?

Determine the value of y-1y2 when y4+1y4=34

A number is greater than 58 times its reciprocal by 3/4. What is the number?

There is 40% increase in an amount in 8 years at simple interest. What will be the compound interest of Rs. 36000 after 2 years at the same rate?

BD and CE are two medians of the triangle ABC. If EO = 7 cm, then the length of CE is

­ A wooden bowl is in shape of a hollow hemisphere of internal radius 8 cm and thickness 1 cm. Find the total surface area of the bowl?