Question
Aman finishes 2/5 of a task in 8 days, while Bhanu
completes the entire task in 16 days. How long will it take for both Aman and Bhanu, working together, to complete 90% of the task?Solution
ATQ; Time taken by ‘Aman’ to complete whole work alone = 8 × (5/2) = 20 days Let total work = 80 units Efficiency of ‘Aman’ = 80/20 = 4 units/day Efficiency of ‘Bhanu’ = 80/16 = 5 units/day Required time taken = {(0.9 × 80)/(5 + 4)} = 8 days
More Time and work Questions
{(80% of 650 + 25 × 12) – 20 × ?} = 760
- What will come in place of (?), in the given expression.
125% of 96 + 33% of 300 = ? 20% of 550 × 25% of 80 = ?2 × 22
(96% of 1100) + 92 × 4 = ? + 46 × 16
- Find the simplified value of the given expression.
1024 ÷ 16 + 800 ÷ √64 + ? = 200 * 2
5.45% of 1854 – 37.5% of 1096 = ? – 48% of 630
√ (12+√ (12+√ (12+ ⋯ ∞ ))Â
74% of 2840 + 80% of 1640 - ?= 47²
4.56 + 56.4 + 64.5 = ? + 10.46
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