Quantitative Aptitude - Arithmetic Ability Questions

A mother is five times older than her daughter. After 5 years, she would be 3 times older than her daughter. Find the mother's present age.

The average age of 19 boys in a class is 21 years. If the teacher's age is included, the average increases to 22 years. What is the teacher's age?

If rsin∅ =1, rcos∅=√3, then the value of r2tan∅ is

If 25% of an electricity bill is deducted, Rs 1788 is still to be paid. How much was the bill?

Find the odd word/letters/number from the given alternatives.

A kite is flying in the sky. The length of string between a point on the ground and kite is 420 m. The angle of elevation of string with the ground is 30 deg. Assuming that there is no slack in the string, then what is the height (in metres) of the kite?

X is 25% more efficient than Y. If Y alone can make a chair in 10 days, then X alone can make the chair in how many days?

Two water squash mixtures, the first with a water-to-squash ratio of 5:1 and the letter with a ratio of 3:1 are blended in the ratio 3:2. What is the final water : squash ratio in the blend?