‘P’ and ‘Q’ can do a piece of work in 12 days

If the following interchanges are made in signs, then what would be the value of the following expression?

48 X 63 + 2 ÷ 9 - 35 

A shopkeeper sells rice in such a way that the selling price of 950 gm is the same as the cost price of one kilogram. Find his gain percent.

Select the correct combination of mathematical signs that can sequentially replace the “@” sign and balance the following equation.

Select the correct combination of mathematical signs that can sequentially replace ‘*’ sign and balance the equation given below.

Which two signs need to be interchanged to make the following equation correct?

75 – 18 × 80 ÷ 16 + 40 = 125

Which two digits and signs can be interchanged so as to balance the given equation?

328 - 82 + 120 X 6 ÷ 41 = 646

By interchanging the given two numbers (not digits), which of the following equations will be correct?

24 and 15

If “+” means “minus”, “×” means “divided by”, “÷” means “plus”, and “-“ means then “multiplied by”

Which two signs should be interchanged to make the given equation correct?

15 ÷ 6 - 10 x 5 + 11 = 99