The sum of two numbers is 43 and their difference is 13. Then their multiplication is

Simplify [1³/₄×3¹/₇]-[4³/₈÷5³/₅]=

What should be added to 16 to get- 31

Two dozen sweets are divided between Rajneesh and Kumar, so that they get 25% and 75% respectively. Find the number of sweets for Kumar

Reciprocal of -7/9 is

Simplify :

1/10×1/10 =