A sum of Rs. 700 to be used to give seve...

A sum of Rs. 700 to be used to give seven cash prizes to students of a school for thir overall academic performance. If each prize is Rs. 20 less than its preceding prize, find the value of each of the prizes.

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The correct Answer is:

160,140,120,100,80,60,40

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NCERT KANNAD-PROGRESSIONS -EXERCISE 6.3

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If the sum of the first n terms of an AP is 4n-n^(2) , what is the fir...
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Find the sum ofthe first 40 positive integers divisible by 6.
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