Which of the following interchange of mathematical signs would make the given equation correct?
 20 ÷ 4 × 8 + 16 − 15 = 11

Select the corr ect combination of mathematical signs to replace the * signs and to balance the given equation.
 13 * 5 * 3 * 3 * 2 

Select the correct combination of mathematical signs to replace the * signs and to balance the given equation.
 96 * 6 * 24 * 49 * 25

Select the correct combination of mathematical signs to sequentially replace the * signs and balance the given equation.
 17 * 11 * 42 * 2 * 7 = 18

Select the correct combination of mathematical signs to replace the * signs and to balance the given equation.
 37 * 3 * 21 * 79 * 18 * 4 * 19

By interchanging the given two signs and numbers which of the following equation will be correct?
 + and ×, 1 and 2

 By interchanging the given two signs and numbers which of the following equation will be not correct?
 × and –, 8 and 4
 I. 4 + 3× 8 – 2 ÷ 1 = 3
 II. 8 × 2 – 4 + 6 ÷ 2 = 11

Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation.
 93 * 65 * 3 * 56 * 14 * 40