Question

1.Write the greatest and smallest 4 -digit numbers using four different digits, with the condition that digit 5 is always at ten's place.

2. Find the sum of largest and smallest five -digit numbers.

3.In an examination, a student multiplied 8035 by 87 instead of multiplying by78. By how much was his answer greater than or less than the correct answer?

4. Round off to

i) 7232 to nearest ten

ii)32742 to nearest ten-thousand

5.Estimate the quotient 843+ 26 to nearest ten

6. Estimate the product of 382 & 447 to nearest hundred.

7.Find the difference in the place - values of two eights in 872584

8. Write 40,005 in words and in expanded form.

9.Write the successor of 99,99,999.

10. Starting from the smallest 6- digit number, write the next four numbers in ascending order.

11.Predecessor of 70000 is

12.Evaluate:

i) 31+32+33+34+35+67+66+69+68+65

ii) 152+263+37+348

13.Evaluate using properties

i)351 x 497 x10 -4970 x 251

ii) 3333 x 967 +33 x3333

iii)35684 x 20

14. Find the product of the greatest 3- digits and smallest 5- digits number.

15. The distance between two places A and B is 3 Km 760m.A boy travels from A to B and then B to A every day. How much distance does he travel in 10 days?​

Answer 1

Answer:

1. Greatest 4-digit number with respect to the condition is 9857

and smallest 4-digit number with respect to the condition is 1052

2. Smallest 5-digit no. is 10000 and largest 5-digit no. is 99999. So their sum will be 109999

Answer 2

Answer:

9857 greatest four digit no.

1253 smallest four digit no.