Cost of maize = Rs. 20/kg
1 kg contains 5 pieces of corn thus the cost of 5 corn heads is Rs. 20.
Price of 1 corn head = Rs. 4
Selling price of 1 roasted corn head = Rs. 8
Profit = Rs. 4/head
Total profit = Rs. 200.
Number of maize sold = 200/4 = 50 pieces.
Let mother’s age = x years
Acc to ques, Parul’s age = x−155 years
Brother = 35 (x - 10) years
Also, x−155 + 35 (x - 10) = 31
On solving, x = 50; i.e. mother’s age = 50 years.
List price = Rs. 300
After discount = 300 x 85100 x 90100 = Rs. 229.5
Biggest measure will be Hcf of 496, 403, 713 = 31
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Going through options
15411 is the only number that is satisfying the above written conditions.
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