If A, represent ‘ – ‘ and C, represent ‘ × ‘, D represent ‘÷’, and E represent ‘+’ then the value of
14 C 3 A 12 E 4 D 2=?

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

In a family, each daughter has the same number of brothers as she has sisters and each son has twice as many sister as he has brothers. How many sons are there in the family?

Reena is twice as old as Sunita. Three years ago, she was three time as old as Sunita. How old is Reena now?

Which two signs should be interchanged to make the following equation correct?
5 + 3 x 8 - 12 ÷ 4 = 3 

Damini is twice as old as Hari. Hari is 5 years older than Nipa. In 5 years, Damini will be three times as old as Nipa. How old is Hari now?

Which of the following least number can be subtracted from 2486 to make it a perfect square?

If the mathematical operator ‘÷ ’ means ‘×’, ‘+’ means ‘–’, ‘×’ means ‘+’ and ‘–’ means ‘÷ ’, then 24+48–12×4÷ 2=?