KNOWING OUR NUMBERS SUBJECTIVE
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- Question 1 of 12
1. Question
Can you instantly find the greatest and the smallest numbers?
8263,10097,9276,510260,1567
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Ans : greatest : 510260
Smallest: 1567
- Question 2 of 12
2. Question
Use the given digits without repetition and make the greatest and smallest 4-digit numbers.
(a) 2, 8, 7, 4 (b) 7,0,1,3
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Grading can be reviewed and adjusted.Grading can be reviewed and adjusted.Hint
Ans :
- Greatest = 8742 smallest = 2478
- Greatest = 7310 smallest = 1037 (0137 will be a three digit number)
- Question 3 of 12
3. Question
Make the greatest and the smallest 4-digit numbers by using any one digit twice.
(a) 3, 8, 7 (b) 9, 0, 5
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Grading can be reviewed and adjusted.Grading can be reviewed and adjusted.Hint
Ans:
- Greatest = 8873 smallest = 3378
- Greatest = 9950 smallest = 5009
- Question 4 of 12
4. Question
Arrange the following numbers in ascending order :
847, 9754, 8320, 571
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Ans: 571, 847, 8320, 9754
- Question 5 of 12
5. Question
Arrange the following numbers in descending order :
5000, 7500, 85400, 7861
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Ans: 85400,7861,7500,5000
- Question 6 of 12
6. Question
Insert commas suitably and write the names according to Indian System of Numeration: 87595762
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Grading can be reviewed and adjusted.Grading can be reviewed and adjusted.Hint
Ans= 8,75,95,762 (eight crore seventy-five lakhs ninety-five thousand seven hundred sixty-two)
- Question 7 of 12
7. Question
How many milligrams make one kilogram?
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Ans : 10,00,000 milligrams make one kilogram.
- Question 8 of 12
8. Question
A book exhibition was held for four days in a school. The number of tickets sold at the counter on the first, second, third and final day was respectively 1094,1812, 2050 and 2751. Find the total number of tickets sold on all the four days.
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Ans: 1094+1812+2050+2751 = 7,707 tickets
- Question 9 of 12
9. Question
Shekhar is a famous cricket player. He has so far scored 6980 runs in test matches.He wishes to complete 10,000 runs. How many more runs does he need?
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Ans: 10,000-6980= 3,020 runs
- Question 10 of 12
10. Question
Estimate each of the following using general rule: 730 + 998
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Ans: 1,700
- Question 11 of 12
11. Question
Give a rough estimate (by rounding off to nearest hundreds) and also a closer estimate (by rounding off to nearest tens) :439 + 334 + 4,317
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Ans: 5,000
- Question 12 of 12
12. Question
Estimate the following products using general rule: 578 × 161
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Grading can be reviewed and adjusted.Grading can be reviewed and adjusted.Hint
Ans: 1,20,000