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# Exercise 1.2

6th Maths : Term 1 Unit 1 : Numbers : Text Book Back Exercises Questions with Answers, Solution

Exercise 1.2

1. Fill in the blanks with > or < or =.

(i) 48792 _____ 48972

(ii) 1248654 _____ 1246854

(iii) 658794 _____ 658794

(i) 48792  < 48972

(ii) 1248654 > 1246854

(iii) 658794 = 658794

2. Say True or False.

(i) The difference between the smallest number of seven digits and the largest number of six digits is 10. [False]

(ii) The largest 4-digit number formed by the digits 8, 6, 0, 9 using each digit only once is 9086. [False]

(iii) The total number of 4 digit numbers is 9000. [True]

3. Of the numbers 1386787215, 137698890, 86720560, which one is the largest? Which one is the smallest?

Solution:

Largest − 1386787215

Smallest − 86720560

4. Arrange the following numbers in the descending order: 128435, 10835, 21354, 6348, 25840

Solution:

Descending order: 128435, 25840, 21354, 10835, 6348

5. Write any eight digit number with 6 in ten lakh place and 9 in ten thousand place.

Solution: 86798765

6. Rajan writes a 3-digit number, using the digits 4, 7 and 9. What are the possible numbers he can write?

Solution:

479, 497, 749, 794, 947, 974

7. The password to access my ATM card includes the digits 9,4,6 and 8. It is the smallest 4 digit even number. Find the password of my ATM Card.

Solution: 4698

8. Postal Index Number consists of six digits. The first three digits are 6, 3, and 1. Make the largest and the smallest Postal Index Number by using the digits 0,3 and 6, each only once.

Solution:

Largest − 631630

Smallest − 631036

9. The heights (in metres) of the mountains in Tamil Nadu are as follows:

(i) Which is the highest mountain listed above?

Anaimudi

(ii) Order the mountains from the highest to the lowest.

Anaimudi, Doddabetta, Velliangiri, Mahendragiri

(iii) What is the difference between the heights of the mountains Anaimudi and Mahendragiri?

2695 − 1647= 1048 metres

Objective Type Questions

10. Which list of numbers is in order from the smallest to the largest?

(a) 1468, 1486, 1484

(b) 2345, 2435, 2235

(c) 134205, 134208, 154203

(d) 383553, 383548, 383642

11. The Arabian Sea has an area of 1491000 square miles. This area lies between which two numbers?

(a) 1489000 and 1492540

(b) 1489000 and 1490540

(c) 1490000 and 1490100

(d) 1480000 and 1490000

12. The chart below shows the number of newspapers sold as per Indian Readership Survey in 2018. Which could be the missing number in the table?

(a) 8

(b) 52

(c) 77

(d) 26

Exercise 1.2

1) (i) 48792< 48972 (ii) 1248654> 1246854 (iii) 658794 = 658794

2) (i) False (ii) False (iii) True

3) The greatest number is 1386787215 The smallest number is 86720560

4) 128435 > 25840 > 21354 > 10835 > 6348

5) 76095321, 86593214 (Similarly, we can write many numbers)

6) 479, 497, 749, 794, 947, 974

7) 4698

8) The smallest Postal Index Number is 631036

The largest Postal Index Number is 631603

9) (i) Anaimudi (ii) 2695 > 2637 > 1778 > 1647 (iii) 1048 m

10) (c) 134205, 134208, 154203

11) (a) 1489000 and 1492540

12) (d) 26

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