Class 4 Maths - Number system - Set 05

1. 32 765
2. 33 775
3. 33 865
4. 33 665

Answer

C.

Q2) Which of the following numbers are common factors of 18 and 54?

1. 2 and 4
2. 3 and 6
3. 4 and 8
4. 7 and 9

Answer

B.

Q3) What is the best estimate for 696 ÷ 34?

1. 700 ÷ 35
2. 690 ÷ 30
3. 700 ÷ 30
4. 690 ÷ 35

Answer

A.

Q4) Find the sum of 5 ones, 9 tens, 6 hundreds and 7 ten thousands. Round off the answer to the nearest ten.

1. 70 000
2. 70 695
3. 70 700
4. 71 000

Answer

C.

Q5) Which one of the following numbers is 96 000 when rounded off to the nearest hundred?

1. 95 499
2. 95 950
3. 96 439
4. 96 581

Answer

B.

Q6) In 52 603, the digit 2 is in the __________ place.

1. hundreds
2. thousands
3. ten thousands
4. hundred thousands

Answer

B.

Q7) What is the value of the digit 9 in 94 382?

1. 90 tens
2. 900 tens
3. 90 hundreds
4. 900 hundreds

Answer

D.

Q8) Seventy-five thousand and fifty-seven as a numeral is _____________.

1. 75 057
2. 75 507
3. 75 570
4. 75 705

Answer

A.

Q9) List the common factors of 16 and 48 that are greater than 2.

1. 3, 6, 16
2. 6, 8, 12
3. 8, 9, 12
4. 4, 8, 16

 Answer

D.

Q10) What is the best estimate for 489 x 31?

1. 400 x 30
2. 400 x 40
3. 500 x 30
4. 500 x 40

Answer

A.

Q11) Using the digits 9, 2, 3, 7,1, form the greatest possible 5-digit even number that is smaller than 40 000.

Answer:_______________

Answer

39712

Q12) Q is a whole number. It is a common multiple of 6 and 8. When it is added to 35, the result is more than 120 but less than 150. What is the value of Q?

Answer:_________________

Answer

96

Q13) I am a 2-digit number which is less than 30. I am also a common multiple of both 6 and 8. What am I?


Answer:_______________

Answer

24

Q14) Ivan thinks of a number. He doubles it and adds 10 to it. Then he divides the sum by 5. The result is 14. What is the number he is thinking of?

Answer:_______________

Answer

30

 Q15) Jie Lun thought of a number. When this number is rounded off to the nearest ten, it becomes 70. This number is also a common multiple of 6 and 9. What is the number?

Answer: ________________

Answer

72