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Question

# Sum of estimated value of 512857 to nearest ten thousand and estimated value of 34 to nearest tens is ?

A

512910

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B

512900

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C

51200

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D

510030

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Solution

## The correct option is A (510030) Given number is 512857We will observe the digit at its thousand place which is, 2<5,hence, we will round down this number.Hence, 512857 rounded to nearest ten thousand is 510000 Similar way, the digit at unit place is 4<5 of the number 34 and thus we will round down this number.Hence, 34 rounded to nearest ten is 30 Estimated Sum of rounded numbers is =510000+30=510030

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