The amount deposited by a Gold merchant in his bank account in the month of january is Rs.17,53,740 and in the month of February is Rs.15,34,300. Estimate the sum and difference of the amount deposited to the nearest thousand.

If the cost of a copy of a Thirukkural book is Rs.188, then find the estimated cost of 31 copies of such books.(Note: Find the rounded values of 188 and 31 and then find the result)

Answer : the estimated cost of 31 copies of Thirukkural books is Rs.6000

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