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Q.
20 men went to a restaurant. Ninteen of them paid Rs.70 each and the twentieth man paid Rs.90.25 more than the average of all the 20 men. What is the total bill ?
A.
Rs. 1495
B.
Rs. 548
C.
Rs. 850
D.
Rs. 1750
View Answer
Correct choice: A
Explanation:
Let the average bill paid by twenty members = 'x' But 19 men paid each = Rs. 70 20th man paid Rs. 90.25 more than the avg bill of 20 = x + 90.25 20x = 19(70) + x + 90.25 19x = 1330 + 90.25 19x = 1420.25 x = 1420.25/19 = Rs. 74.75 But the total bill = 20 x 74.75 = Rs. 1495.
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