Ten people are sitting in two parallel rows 1 and 2. A,

If 65 + 54 = 2, 71 + 62 = 10, then 73 + 83 = ?

Select the number from among the given options that can replace the question mark (?) in the following series.

24, 35, 51, 73, 102, ?

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

42 – 32 ÷ 2 + 8 × 6 = 10

If 'A' means '×', '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 '*' sign and balance the equation given below.

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

7 % 12 % 7 % 38 % 47 % 8

If ‘$’ means ‘÷’, ‘#’ means ‘-’, ‘!’ means ‘×’ and ‘^’ means ‘+’, then the value of 84 ! 5 # 6 ^ 21 $ 7 is

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

48 – 114 ÷ 3 + 6 × 7 = 44

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