Question:
The value of 9 × 9 + 9 ÷ 9 – 9 × 9 + 9 + 9 × 9 – 9 – 9 × 9 is:
9 × 9 + 9 ÷ 9 – 9 × 9 + 9 + 9 × 9 – 9 – 9 × 9 का मान है:
Options:
- a) 9
- b) 81
- c) 1
- d) 0
- a) 9
- b) 81
- c) 1
- d) 0
correct answer : c)
Explanation:
Evaluate multiplications and divisions first: 9 * 9 = 81, 9 ÷ 9 = 1. Expression: 81 + 1 – 81 + 9 + 81 – 9 – 81 = (81 – 81) + 1 + (9 – 9) + (81 – 81) = 1.
पहले गुणा और भाग को हल करें: 9 * 9 = 81, 9 ÷ 9 = 1। व्यंजक: 81 + 1 – 81 + 9 + 81 – 9 – 81 = (81 – 81) + 1 + (9 – 9) + (81 – 81) = 1।