The sum of the present ages of two cousins is 46 years. Eight year ago, the elder one was twice as old a the younger one. What is the present age of the elder cousin?

In a string of 20 beads, the average weight of the first 14 beads is 25 grams and that of the last 6 beads is 8 grams. What is the average weight of all the beads?

The following equation is incorrect. Which two signs should be interchanged to correct the equation?
12 + 10 - 28 ÷ 7 x 4 = 48

Mrs. and Mr. Gopal have 3 daughters. Each daughter also has a brother. So how many members are there in this family?

Ashoka’s mother was 3 time as old as Ashok 5 years ago. After 5 years she will be twice as old as Ashok. How old is Ashok today?

If 879=8, 625=1, 586=9, then 785=?

If 1 apple is equal to 6 bananas, how many bananas will be equal to 12 apples?

A man is 3 years older than his wife and four times as old as his son. If the son becomes 15 years old after 3 years, what is the present age of the wife?