Simplification · Question 11 · Medium
If 3/5 of a number minus 2/7 of 1400 equals 200, what is the number?
- 800
- 1000
- 1200
- 900
Answer and explanation
Answer: B. 1000
Explanation: 2/7 of 1400 = 400. So 3/5 of x = 200 + 400 = 600, giving x = 600 × 5/3 = 1000.
Previous: Find the value of (1 − 1/3)(1 − 1/4)(1 − 1/5) ... (1 − 1/50). · Next: Find the value of √(12 + √(12 + √(12 + ...))) (continuing infinitely).
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