5, 15, 30, 50 What will then next number?
If 1y=32 then 1y+2=?
If n is an even integer which of the following must be an odd integer ?
If ax+xa=xb+bx then x=?
90 taka has been collected due to donation from each student by N 10 paisa, where N is the total number of students in a class. The number of student in that class-
A pice of rope is cut into three section so that the first section is three times so long as the third. What fraction of the entire piece is the smallest section?