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Sequence And Series Short Trick | JEE MAINS 2020 Preparation | Maths Time Saving Tricks
Which fossil fuel is conserved : (a) when we save on electricity ? (b) when we use bicycle for covering short distances instead of a motorbike ?
A man saved ₹660000 in 20 years. In each succeeding year after the first yea he saves ₹ 2000 more than he saved in the previous year. How much did he save in the first year?