What is the total cost of 24 apples and 24 mangoes? - ProProfs Discuss
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What is the total cost of 24 apples and 24 mangoes?
Average cost of 5 apples and 4 mangoes is Rs. 36. The average cost of 7 apples and 8 mangoes is Rs. 48.



A. 1044
B. 2088
C. 720
D. 324

This question is part of Online Mock Test 7: Averages, Arithmetic Mean
Asked by Anup, Last updated: Apr 02, 2020

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2 Answers

John Adney

John Adney

Answered Jun 19, 2017

Let cost of apple is x and for mango is y
=> total cost of 5apple and 4 mangos is 324 (=369)
5x+4y=324------------------(1)
and cost of 7 apple and 8 mango is 720 (=4815)
7x+8y=720-------------------(2)

Now, (1)+(2) will give 12x+12y=1044
Multiply 2 in both sides, will get 24x+24y=2088 (Ans)
 

John Smith

John Smith

Answered Nov 06, 2016

2088
 

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