Quantitative Ap...

The age of the teacher is 300% of the age of a student. After four years, the ratio of the ages of the teacher and the student becomes 13 : 5. Find the present age of the teacher.

In a GP consisting of positive terms, each term equals the sum of the next two terms. Then the common ratio of the GP is:

LCM of two numbers is 28 times their HCF. The sum of the HCF and the LCM is 1740. If one of these numbers is 240, then what is the other number?

A sum of money becomes 5 times at simple interest in 16 years. What is the rate of interest?

In a college election for Ladies representative 60% girls and 80% of boys voted for Anushka. There are 45% girls in the college. How many percentage votes Anushka got?

The purchase value of 4 items are equal to sales value of 3 items. The % profit is

The income of A is 60% less than that of B, and the expenditure of A is equal to 60% of B′ s expenditure. If A's income is equal to 70% of B's expenditure, then what is the ratio of the savings of A and B?

The average temperature from Sunday to Wednesday is 34° C while the average temperature from Wednesday to Saturday is 38°C. The average temperature throughout the week is 36°C. Find the temperature on Wednesday.