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प्रश्न
If a boy works for six consecutive days for 8 hours, `7 1/2` hours, `8 1/4` hours, `6 1/4` hours + `6 3/4` hrs and 7 hours respectively. How much money will he earn at the rate of Rs. 36 per hour?
योग
उत्तर
No. of hours, a boy worked in 6 days
= 8 hrs + `7 1/2` hrs + `8 1/4` hrs + `6 1/4` hrs + `6 3/4` hrs + 7 hrs
`= (8 + 15/2 + 33/4 + 25/4 + 27/4 + 7)` hours
`= (32 + 30 + 33 + 25 + 27 + 28)/4` hours
`= 175/4` hours =`43 3/4` hours
Earning per hour = Rs. 36
∴ Total earnings = Rs. `175/4 xx 36`
= Rs. 175 × 9 = Rs, 1575
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