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प्रश्न
If the cost of 7 kg of onions is ₹ 84 find the following :
Weight of the onions bought for ₹ 180
उत्तर
For ₹ 84 weight of onion bought = 7 kg
For ₹ 1 weight of onion bought = `7/84` kg
∴ For ₹ 180 weight of onion bought = `7/84 xx 180`
= 15 kg
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