What will come in the place of the question mark ‘?’ in the following equation?
55 – {(21 – 2 of 3 × 5) + 7 of 2} = ?
1
40
2
60
3
30
4
70
5
50
What will come in the place of the question mark ‘?’ in the following equation?
55 – {(21 – 2 of 3 × 5) + 7 of 2} = ?