Class 4 Maths - Number system - Set 02

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Q1) What is the number when 112.52 is rounded off to 1 decimal place?
  1. 112.0
  2. 112.5
  3. 112.6
  4. 113.0

Answer

B.

 

Q2) The digit 7 in 6.873 stands for 7 __________.

  1. hundredths
  2. tenths
  3. tens
  4. ones

 Answer

A.

 

Q3) 12 thousands and 3 tens is the same as _______________.

  1. 1203
  2. 1230
  3. 12 003
  4. 12 030

Answer

D.

 

Q4) In the number 2.904, the digit _________ is in the tenths place.

  1. 0
  2. 2
  3. 9
  4. 4

Answer

C.

 

Q5) 0.8 is made up of ____________ tenths.

  1. 0.8
  2. 8
  3. 80
  4. 800

Answer

B.

 

Q6) Arrange the following decimals from the greatest to the smallest:
0.69, 6.9, 6.09, 0.609

Greatest ------- Smallest

  1. 6.9, 6.09, 0.69, 0.609
  2. 0.69, 0.609, 6.9, 6.09
  3. 6.9, 6.09, 0.609, 0.69
  4. 0.609, 0.69, 6.09, 6.9

Answer

A.

 

Q7) Which of the following numbers when rounded off to the nearest tenth becomes 91.5?

  1. 91.053
  2. 91.448
  3. 91.496
  4. 91.554

Answer

C.

 

Q8) What is 204.64 when rounded off to the nearest tenth?

  1. 204.0
  2. 204.6
  3. 205.0
  4. 205.6

Answer

B.

 

Q9) 27 161 rounded off to the nearest ten is _______________.

  1. 27 100
  2. 27 160
  3. 27 170
  4. 27 200

Answer

B.

 

Q10) Subtract 300 tens from the sum of 58 thousands and 15 tens. The answer is __________________.

  1. 55 015
  2. 55 150
  3. 57 850
  4. 58 015

Answer

B.

 

Q11) What is the common factor of 12 and 24 which is also a factor of 27?

This number is greater than 1.

 

Ans: ___________________

Answer

3

 

Q12) Use the following digits to form the smallest 5-digit number which has the digit 6 in the ones place.

Class 4 Maths - Number system

 

Ans: ____________________

Answer

30 676

 

Q13) A number is a common multiple of 3 and 4. It is a two-digit number. It is less than 50. The sum of the two digits is 9. What is the number?

 

 

Ans: ______________________

Answer

36

 

Q14) Bina thought of a 2-digit odd number. The number is between 49 and 67 and can be divided exactly by 9 and 3. Given that the sum of the 2 digits is 9, what is the number that Bina thought of?

 

Ans: ________________

Answer

63

 

Q15) Use all the digits 5, 8, 0, 2 and 9 to form the smallest 5-digit even number with 8 in the tens place.

 

Ans: _______________

Answer

25 980


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