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According to the question,
20M = 12B
Or, 5M = 3B
Therefore, (15M + 18B) = (9B + 18B) = 27B
12 boys take 25 days to complete the work
Therefore, time taken by 27 boys to complete the work = (12 × 25) / 27 = 11.11 days or 11 days
15(2/9) + 11(2/9) + 17(1/9) + 13(4/9) = ?
√361 ÷ (21/23) × 84 = ?
116*2/3% of 18600 + 666*2/3% of 1290 = 457*1/7% of 1750 + 555*5/9% of 3150 + ?
12(3/5) + 4(1/5) × 3(2/3) =?
If (7a + b) : (7a - b) = 7:3, then find the value of a:b?
?2 × 25 = 42 × 21 + 172
12% of 10% of 15% of 5000 + (12 x 15) = ?
525 ÷ 21 x 28 – 853 + 264 = ?
