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Question
Raj poured 7 packets of juice each of 300 mL into a jug. If he and his brother consume 900 mL then what is the cost of the juice left in the jug? Cost of 1 packet of juice is ₹20.
Raj poured 7 packets of juice each of 300 mL into a jug. If he and his brother consume 900 mL then what is the cost of the juice left in the jug? Cost of 1 packet of juice is ₹20.
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Solution
The correct option is A ₹80
Amount of juice in each packet
= 300 mL
So, Amount of juice poured in jug
=7×300 mL
=2100 mL
Amount of juice Raj and his brother drank
= 900 mL
Therefore, amount of juice left in the jug
= 2100−900 mL
=1200 mL
= 300 mL × 4
= 4 packets
Cost of 1 packet = ₹20
Cost of 4 packets = ₹20 × 4 = ₹80
Hence, (d) is correct.
Amount of juice in each packet
= 300 mL
So, Amount of juice poured in jug
=7×300 mL
=2100 mL
Amount of juice Raj and his brother drank
= 900 mL
Therefore, amount of juice left in the jug
= 2100−900 mL
=1200 mL
= 300 mL × 4
= 4 packets
Cost of 1 packet = ₹20
Cost of 4 packets = ₹20 × 4 = ₹80
Hence, (d) is correct.
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