# Simplification Practice Set

 1. 4500 ÷ 90 + 70 × 45 = ? A. 3400 B. 3500 C. 3200 D. 3600 Answer: Option C Explanation: ? = 4500 ÷ 90 + 70 × 45 = 50 + 3150 = 3200 View / Hide Answer

 2. 153 × 2.7 ÷ 0.3 + 21 = ? A. 1278 B. 1398 C. 1286 D. 1386 Answer: Option B Explanation:? = 153 × 2.7 ÷ 0.3 + 21 = 153 × 9 + 2 = 1377 + 21 = 1398 View / Hide Answer

 3. 612 × 81 ÷ 3 ÷ 3 = ? A. 5594 B. 5518 C. 5520 D. 5508 Answer: Option D Explanation:? = 612 × 81 ÷ 3 ÷ 3 = 612 × 81 × 1⁄3 × 1⁄3 = 612 × 9 = 5508 View / Hide Answer

4. 140 का 40% + 600 का ?% = 660 का 60%

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40% of 140 + ?% of 600 = 60% of 660

A. 5623
B. 5513
C. 5613
D. 5713

Explanation:140 का 40% + 600 का ?% = 660 का 60%
or, 56 + 6 × ? = 396
or 6 × ? = 396 – 56
? = 3466 = 5623

 5. 180 का ?% = 90 का 90% A. 54 B. 48 C. 45 D. 42 Answer: Option C Explanation:180 का ?% = 90 का 90% or, 180 × ? = 90 × 90 ? = 90 × 90⁄180 = 45 View / Hide Answer

 6. 1400 का ?% = 4637 – 4245 A. 24 B. 28 C. 32 D. 22 Answer: Option B Explanation:1400 का ?% = 4637 – 4245 or 14 × ? = 392 ? = 392⁄14392/14 = 28 View / Hide Answer