the cost of 3/4 kg of onions is RS 21. find the cost of one kg onions.
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Cost of 1 kg onion is 28 rupees.
Step-by-step explanation:
Given cost of 3/4 kg of onions is 21.
Now we want to find cost of 1 kg onion.
By unitary method we can find the answer.
Let a means b
By unitary method,
1 means
and c means
Here given cost of kg onion is Rs 21.
So,Cost of 1 kg onion is rupees.
Therefore cost of 1 kg onion is 28 rupees.
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