Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation.
 57 * 35 * 44 * 11 * 13 * 40 

Select the correct combination of mathematical signs to replace the * signs and to balance the given equation.
 50 * 2 * 3 * 30 * 10 * 40 * 20

Select the correct combination of mathematical signs to sequentially replace the * signs and to balance the given equation.
 25 * 5 * 10 * 2 * 8 *60

If + means −, − means ×, × means ÷, and ÷ means +, what will be the value of the following expression?
 45 × 9 ÷ 12 – 5 + 3

After interchanging the given two numbers and two signs what will be the values of equation (I) and (II) respectively?
– and ×, 6 and 4
 I. 7 × 6 + 8 ÷ 2 – 4
 II. 4 – 7 × 6 + 8 ÷ 2

By interchanging the given two signs and numbers which of the following equation will be correct?
 + and –, 7 and 3

Select the correct combination of mathematical signs to replace the * signs and to balance the given equation.
 230 * 1 * 5 * 16 * 41 * 21

Select the correct combination of mathematical signs to replace the * signs and balance the given equation.
66 * 6 * 12 * 3 * 15 = 12