SOLVE THE GIVEN SUMS:
11. If the cost of 10 pens is Rs.25. then find the cost of 20 pens?
12. A farmer has enough food for 144 ducks for 28 days. If he sells
32 ducks, how long will the food last?
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SOLVE THE GIVEN SUMS:
11. If the cost of 10 pens is Rs.25. then find the cost of 20 pens?
12. A farmer has enough food for 144 ducks for 28 days. If he sells
32 ducks, how long will the food last?
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Answer:
cost of 10 pens=25
cost of 1 pen will be 25/10 which is 2.5
cost of 20 pens be 2.5*20
50
Answer:
11 . Rs 50
Step-by-step explanation:
11 . Cost of 10 pens i= Rs 25
So, cost of 1 pen = 25/10
=2.5
So, cost of 20 pen = 2.5*20
= Rs 50