Question
7 men and 4 boys can complete a work in 6 days. A man
completes double the work than a boy. In how many days will 5 men and 4 boys complete the work?Solution
7 M + 4 B = 6 days and 1 man = 2 boys 7 M + 2 M = 6 days ⇒ 9M = 6 days 1 M = 6 `xx` 9 = 54 days Now, 5 M + 2M = 7M 1 M = 54 days 7M = `54/7 = 7 5/7days`
More Time and work Questions
41.66% of 888 + 66.66% of 1176 = ?2 - 4√ 16 Â
Evaluate: 320 − {18 + 4 × (21 − 9)}
Simplify: 72 ÷ 6 × 3 − 8 + 4
118 × 6 + 13 + 83 = ?
Simplify the following expression:
  (400 +175) ² - (400 – 175) ² / (400 × 175)
150% of 850 ÷ 25 – 25 = ?% of (39312 ÷ 1512)
(75 + 0.25 × 10) × 4 = ?2 - 14
26% of 650 + 15% of 660 – 26% of 450 = ?
115% of 40 + 3 × 4 = ? × 11 – 8
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