Ratio of length to width of a rectangular field is 2:3.

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

Select the correct combination of mathematical signs that can sequentially replace the * signs and make the equation correct.

25 * 55 * 30 * 66 * 48 = 48

If ‘A’ means (×), ‘B’ means (÷), ‘C’ means (-), and ‘D’ means (+), then what is the value of the expression:

If ‘@’ means (+), ‘#’ means (-), ‘%’ means (×), and ‘&’ means (÷), then what is the value of the expression:

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

128 * 4 * 12 * 3 * 8 = 20

How many meaningful four-letter words can be formed using the 1st, 3rd, 7th, and 8th letters of the word 'PERIPHERAL'?

Which of the following “signs” are placed in place of “symbols” given in the equation to make the equation true?

Which among the given operators should replace the “%” (in the same order) in the given expression below:

5 % 10 % 5 % 36 % 15 % 6