Which of the following interchange of numbers and mathematical signs would make the given equation correct?
 30 ÷ 6 × 4 + 15−35 = 25

If ‘+’ means ‘divided by’ ‘-’ means ‘add’, ‘×’ means ‘minus’ and ‘/’ means ‘multiplied by’, what will be the value of the following expression?
[{(5 × 10) - (16/4)} + (15 - 9)]/0

Which of the following interchanges in signs and numbers will make the given equation correct?

8 x 6 + 4 = 52

Which two signs and two numbers should be interchanged in the following equation to make it correct?
 150 × 15 + 14 – 9 ÷ 2 =6

If A denotes ‘+’, B denotes ‘×’, C denotes ‘−’ and D denotes ‘÷’, then what will come in place of ‘?’ in the following equation?
 (13 B 9) D 3 A (14 D 7) B 6 C 21 A (32 B 2) = ? 

Which of the following interchanges of numbers and mathematical signs would make the given equation correct?
 729 × 81 ÷ 20 + 16 − 6 = 50

If + means −, − means ×, × means ÷, and ÷ means +, what will be the value of the following expression?
 3 ÷ 6 + 3 – 4 × 4 = ?

If A denotes ‘+’, B d enotes ‘×’, C denotes ‘−’ and D denotes ‘÷’, then what will come in place of ‘?’ in the following equation?
 41 C 29 A (38 B 3) D 19 A 61 C 17 = ?