Estimating Difference for Large Numbers

Q.

Estimate: 5.87 - 4.36

1. 5900

2. 6000

3. 5600

4. 5500

Q.

Raj had ₹ 1398 in his wallet. He spent ₹ 526 on a movie. Estimate the money left with him to the nearest hundred.

1. 900

2. 800

3. 872

4. 850

Q.

Estimate the difference of 5, 60, 312 and 4, 19, 333 by rounding off each number to its nearest ten thousands.___

Q.

Estimate the difference of 8, 10, 512 and 6, 21, 340 by rounding off each number to its nearest ten thousands.___

Q.

The last instalment of your school fees is to be paid. The total fee to be paid was ₹ 24, 399 and you have already paid two instalments of ₹ 8, 745. So, the estimated (to nearest thousands) amount that you have to pay now is ___

Q.

In an examination, a student multiplied 4341393 by 34 instead of 43. By how much his answer less than the correct answer?

1. 171919167 greater than the correct answer

2. 171919167 less than the correct answer

3. 174450934 greater than the correct answer

4. 174450934 less than the correct answer

Q. Joe went to the market with ₹1000. He bought a shirt for ₹375. How much money is left with him? Estimate an approximate value by rounding off to the nearest hundred.

1. ₹600
2. ₹1400
3. ₹300
4. ₹600

Q. Estimate the difference of 10, 512 and 21, 340 by rounding off each number to its nearest thousand.

1. 15, 000
2. 12, 000
3. 10, 500
4. 10, 000

Q. Raj had ₹ 1398 and he has spent ₹ 526 on shopping. Estimate the money left with him to the nearest hundred.

1. 900

Q. Estimate the product of (79 and 21) correct to the nearest ten.

1. 1, 500
2. 1, 600
3. 1, 700
4. 1, 800