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Nidhi saves Rs. 2 on first day of the month, Rs, 4 on second day, Rs. 6 on third day and so on.Read the above passage and answer the following questions:(0 What will be her saving in the month of February?(ii) What value is depicted by Nidhi? |
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Answer» Let n = 29 daysd =common differencelet s = savings=n/2 (2a+(n-1)*2)s=29/2(2*2+(29-1)*2)s=29/2(4+28*2)s=29/2(56+4)s=29*2*60s=29*30s=870 |
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