Unitary Method and Percentage
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Q1
If the cost of five rolls of camera film is 500, then the cost of eight such camera rolls is
Marks:1Answer:
800
Explanation:

Q2
If the cost of 1 kg packet of tea is 96, then the cost of 6 kg tea packet is
Marks:1Answer:
576
Explanation:

Q3
The method in which first we find the value of one unit and then the value of required number of units is known as
Marks:1Answer:
Unitary.
Explanation:
Let us understand unitary method with the help of one example.
Let the cost of 5 pens is Rs 60.So, the cost of one such pen = 60/5 = Rs. 12.
Therefore, the cost of 2 such pens = Rs 24.

Q4
In unitary method, we first find out the value of the
Marks:1Answer:
unit quantity.
Explanation:
In unitary method, we first find out the value of unit quantity.

Q5
Cost of a dozen rakhis is Rs. 36.The amount Shikha will pay if she wants to buy 7 rakhis is
Marks:1Answer:
Rs.21
Explanation:
Cost of 12 rakhis = Rs. 36.00. Cost of 1 rakhi = 36/12 = Rs.3.00. Cost of 7 rakhis = Rs 3 x 7 = Rs.21.00.