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Q.

The total cost of three prizes is Rs. 2550 if the value of the second prize is 3/4th of the first and the value of the 3rd prize is  of the second prize. Find the value of the first prize.


Class: 10


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a

Rs. 900

b

Rs. 1500

c

Rs. 1200

d

Rs. 450 

answer is C.

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Detailed Solution

The total cost of three prizes is Rs 2550 .
we assume that the cost of first prize is x.
According to question
value of second prize  of the first Prize
Also,
Value of Third prize  of the second
Now, Since, the total value of all the three prizes is Rs 2550, thus.
Taking LCM in denominator
.
Cross multiplying
8x + 6x + 3x = 8 × 2550
17x = 20400
x=1200
 
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