If ‘ × ’ means ‘ + ’. ‘+’ means ‘÷’, ‘-’ means ‘×’ and ‘÷’ means ‘-’, then 9 × 8 – 5 + 40 ÷ 3 = (?)

If 'A' means ' X ', 'B' means '÷', 'C' means '+' and 'D' means ' - ', then what will come in the place of '?' in the given expression?

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

8 – 26 + 15 × 18 ÷ 6 = 220

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

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

9 × 10 ÷ 2 – 4 = 51 + 2 

If four hats are picked at random, what is the probability that one is green, two are blue and one is red?

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.

If '+' means ' - ', ' X ' means '+', ' - ' means '÷' and '÷' means ' X ', then what is the value of the following expression?