Which one of the following is a neutral fertiliser?

By interchanging the given two signs and numbers which of the following equation will be correct?

× and +, 6 and 4

Select the different combination of mathematical signs that can sequentially replace the # sign and balance the given equation.

63 # 9 # 52 # 10 # 4 = 19

Which of the following interchange of sign would make the given equation correct?

45 × 9 + 5 ÷ 4 = 25

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

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

65 * 45 * 25 * 5 * 35 * 60

  If $ means +, # means - , @ means x and * means ÷, then what is the value of 22 $ 3 @ 10 # 21 * 7 =?

If + means −, − means ×, × means ÷, and ÷ means +, what will be the value of the following expression?

19 ÷ 14 + 8 – 12 × 3

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

 If ‘ > ’ means ‘plus’, then ' 55 > 24 $ 4 < 8 % 6 ' = ?