Numbers Worksheet-18

Numbers Worksheet-18

1. Observer the following pattern for obtaining the sums, then find the sum of numbers from 781 to 790?

1 + 2 + 3 + 4 + 5 + 6 +7 + 8 + 9 + 10 = 55

11 + 12 + 13 + 14 + 15 + 16 + 17 + 18 + 19 + 20 = 155

21 + 22 + 23 + 24 + 25 + 26 + 27 + 28 + 29 + 30 = 255

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51 + 52 + 53 + 54 + 55 + 56 + 57 + 58 + 59 + 60 = 555

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101 + 102 + 103 + 104 + 105 + 106 + 107 + 108 + 109 + 110 = 1055

251 + 252 + 253 + 254 + 255 + 256 + 257 + 258 + 259 + 260 = 2555

(a) 7055             (b) 7855             (c) 7955              (d) 8155

2. In numbers from 1 to 100 the digit "0" appears _____ times.

(a) 9                    (b) 10                  (c) 11                   (d) 12

3. How many times the digit "3" appears in numbers from 1 to 100?

(a) 18                  (b) 19                  (c) 20                  (d) 21

4. How many numbers are there containing 2 digits?

(a) 90                 (b) 99                 (c) 100                (d) 89

5. How many times does the digit "1" appear in numbers from 1 to 100?

(a) 18                  (b) 19                  (c) 20                  (d) 21

6. How many numbers are there containing 3-digits?

(a) 999               (b) 899               (c) 900               (d) 800

7. How many beads should be removed from the hundred’s place in the abacus shown here if it has to represent a number beteen 550 and 650?

(a) 4                    (b) 3                    (c) 2                    (d) 1

8. A, B, C and D are four 4–digit numbers, each having the digit 9 only once and in the place shown. None of the other digits are known.

What can be said about A, B, C and D?

(a) D is the smallest of the four numbers

(b) B is larger than C

(c) A is the largest of the 4 numbers

(d) D is the largest of the 4 numbers

9. Expanded from of 27012 is

(a) 2000 + 700 + 0 + 10 +2

(b) 20000 + 700 + 0 + 10 + 2

(c) 20000 + 1000 + 0 + 70 + 2

(d) 20000 + 7000 + 0 + 10 + 2

10. Which of the following is the greatest number?

(a) 72.12            (b) 7122             (c) 7211              (d) 7221

11. The ascending order of 6411, 6144, 6344, 6744 is

(a) 6144, 6344, 6411, 6744

(b) 6744, 6411, 6344, 6144

(c) 6344, 6411, 6144, 6744

(d) 6144, 6411, 6744, 6344

12. The smallest 4-digit number formed by using the digits 5, 0, 3, 1, 7 only once contains

(a) 0 in thousand's place            (b) 5 in ten's place

(c) 3 in ten's place                        (d) 7 in unit's place

13. Write the greatest 4-digit number using different digits with 6 in the ten's place?

(a) 9876             (b) 9867             (c) 9687             (d) 6987

14. Write the smallest 5-digit number using three digits with 7 in the thousand's place?

(a) 77710           (b) 17001           (c) 07100           (d) 17000

15. Round 3500 to the nearest thousand?

(a) 3000            (b) 3600            (c) 4000            (d) 4500

16. The largest 8 digit number is

(a) 888999                                    (b) 99999999

(c) 999999                                     (d) 8999999

17. The smallest 9 digit number is

(a) 900000000                            (b) 9

(c) 100000000                             (d) 10000000

18. A 7 digit number starts with place in the Indian system.

(a) lakhs                                         (b) ten thousands

(c) ten lakhs                                   (d) crores

19. An 8 digit number starts with _______ place in the international system.

(a) millions                                    (b) ten millions

(c) hundred thousand                 (d) lakhs

20. Place value of 8 in 86,93,04,600 is

(a) eight crores                             (b) eighty crores

(c) crores                                        (d) eighty six crores

Answer Key:

(1)-(b); (2)-(c); (3)-(c); (4)-(a); (5)-(d); (6)-(c); (7)-(b); (8)-(c); (9)-(d); (10)-(d); (11)-(a); (12)-(c); (13)-(b); (14)-(d); (15)-(c); (16)-(b); (17)-(c); (18)-(c); (19)-(b); (20)-(b)