In week 2 had the scientist sold back both the liquids A amp B separately at Rs 35 amp Rs W per litr...........

Quantitative Aptitude (CCS) Mixed Chart

Directions : Study the following line and bar chart carefully and answer the questions given beside.

A scientist purchases 50 litres mixture of two liquids A and B such that their percentage composition in mixture is shown in the pie-chart. He purchases them weekly for his photographic experiments at the rates given in the line graph and after mixing them completely, sells it back to a manufacturing company.
Cost price of liquids (in rupees)

Liquid distribution percentage

In week-2, had the scientist sold back both the liquids A & B separately at Rs. 35 & Rs. W per litre, he would have got a total loss of 7%, but while selling them for Rs. 28 & Rs. 35 per litre, he would have got a loss of Z%. Then the product of W & Z is -

4536/17

4536/15

4536/13

4536/11

None of these

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Explanation:

In week-2, C.P of liquid A = Rs.28 and sold at Rs. 35
C.P of liquid B = Rs. 42 and sold at Rs.W
Total C.P = Rs. (28 × 18 + 42 × 32) = Rs. (504 + 1344) = Rs. 1848 …(1)
Total S.P = Rs. (35 × 18 + W × 32) = Rs.(630 + 32W)
Loss = Rs. [1848 – (630+32W)] = Rs. (1218 – 32W)