Page 110 - New Medley 4 Semester 1

Example 23: Arrange 38631, 71472 and 42814 in ascending order.

Solution: First we consider the digits in ten thousand’s place.

As 3 ten-thousands < 4 ten-thousands TTh Th H T O
3 8 6 3 1
< 7 ten-thousands
7 1 4 7 2
\ 38631 < 42814 < 71472
4 2 8 1 4

Numbers in ascending order are 38631, 42814, 71472

Descending order or decreasing order → from greatest to smallest

Example 24: Arrange 618531, 228462 and 433814 in descending order.

Solution: First we consider the digits in lakh’s place. L TTh Th H T O

As 6 lakhs > 4 lakhs 6 1 8 5 3 1
2 2 8 4 6 2
> 2 lakhs
4 3 3 8 1 4
\ 618531 > 433814 > 228462

Numbers in descending order are 618531, 433814, 228462

EXERCISE 1.6

A. Which is smaller number in each of the following pairs?

1. 30496 and 71592 2. 67316 and 66216
3. 239863 and 234712 4. 675421 and 675452

B. Which is greater number in each of the following pairs?

1. 37163 and 42963 2. 43322 and 24336

3. 290496 and 271592 4. 456316 and 45702

C. Arrange the following in ascending order.
1. 95227, 81742, 71859 2. 44872, 46797, 43378

3. 342189, 981249, 345629 4. 917829, 723827, 773727, 87240

D. Arrange the following in descending order.

1. 56589, 32459, 58621 2. 78282, 74581, 117908

3. 234123, 481742, 718594 4. 90871, 90872, 578797, 549349

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