Question

14. Which of the following number can be placed in the tens column if the given number is 297.35? (a) 2 (b) 9 (c) 7 (d) 3 15. Which of the following number can be placed in the tenth column if the given number is 297.35? (a) 2 (b) 9 (c) 7 (d) 3 16. The sum of 0.007 + 8.5 + 30.08 is: (a) 38.587 (b) 3.100 (c) 18.508 (d) 385.87 17. Find the value of 9.756 – 6.28. (a) 16.036 (b) 9.128 (c) 3.476 (d) 34.76 18. Find the value of 35 – 2.54. (a) 32.46 (b) 1.46 (c) 3.246 (d) 37.54 19. Raju bought a book for Rs 35.65. He gave Rs 50 to the shopkeeper. How much money did he get back from the shopkeeper? (a) Rs36.15 (b) Rs 14.35 (c) Rs80.65 (d) Rs1.435 20. The number 0.125 can be written as fractions in lowest terms: (a) 1/8 (b) 125/1000 (c) 25/200 (d) 5/40 True(T) or False(F) 1. The place value of a digit at the tenth place is 10 times the same digit at the ones place. 2. The decimal 3.725 is equal to 3.72 correct to two decimal places. 3. In the decimal form, fraction \frac{25}{8} = 3.125 4. The decimal 23.2 = 23 \frac{2}{5} 5. 42.28 – 3.19 = 39.09 Fill In The Blanks 1. 4.55 + 9.73 = …………….. . 2. 8.76 – 2.68 = …………….. . 3. The value of 50 coins of 50 paisa =‚¹ ……………. . 4. 3 hundredths + 3 tenths = ……………. . 5. Decimal 16.25 is equal to the fraction ……………… . Very Short Answer Type Questions 1. Express 11/20 as a decimal. 2. Express 0.041 as a fraction. 3. Convert 5201 g to kg. 4. Convert 2009 paise to rupees. 5. Round off 75.195 to nearest hundredths. 6. What should be added to 4.762 to get 7? Short Answer Type Questions 1. Arrange in ascending order: 0.011, 1.001, 0.101, 0.110 2. Add the following 20.02 and 2.002 3. Which one is greater? 1 m 40 centimetres + 60 centimetres or 2.6 metres 4. What should be added to 25.5 to get 50? ​

Answer 1

Answer:

24.5 added to 25.5equals to 50

Answer 2

Step-by-step explanation:

14. Which of the following number can be placed in the tens column, if the given number is 297.35?

(a) 2 (b) 9 (c) 7 (d) 3

Ans: 9

Explanation: In number system; digits are arrange from right to left before decimal point and left to right after decimal point.

Least significant digit is at unit place,next towards left is at tens place and so on...

here, in 297.35

9 is before decimal point and at tens place.

Thus,

Option (b) is correct.

15. Which of the following number can be placed in the tenth column if the given number is 297.35? (a) 2 (b) 9 (c) 7 (d) 3

Ans: 3

Explanation: In number system; digits are arrange from right to left before decimal point and left to right after decimal point.

Least significant digit is at unit place,next towards left is at tens place and so on...

digits after decimal places from right to left are at tenth, hundredth places,and so on...

here, in 297.35

3 is after decimal point and at tenth place.

Thus,

Option (d) is correct.

16. The sum of 0.007 + 8.5 + 30.08 is:

(a) 38.587 (b) 3.100 (c) 18.508 (d) 385.87

Ans:38.587

Explanation:

$\: \: \: 00.007 \\ \: \: \: 08.500 \\ + 30.080 \\ - - - - \\ \: \: \: 38.587 \\ - - - -$

Thus,

Option (a) is correct.

17. Find the value of 9.756 – 6.28.

(a) 16.036 (b) 9.128 (c) 3.476 (d) 34.76

Ans: 3.476

Explanation:

$\: \: \: \: \: \: \: 9.756 \: \: \: \\ - 6.280 \\ - - - - \\ 3.476 \\ - - - -$

Option (c) is correct.

18. Find the value of 35 – 2.54.

(a) 32.46 (b) 1.46 (c) 3.246 (d) 37.54

Ans:32.46

Explanation:

$\: \: \: \: 35.00 \\ - 02.54 \\ - - - - \\ 32.46 \\ - - - -$

Option (a) is correct.

19. Raju bought a book for Rs 35.65. He gave Rs 50 to the shopkeeper. How much money did he get back from the

shopkeeper?

(a) Rs36.15 (b) Rs 14.35 (c) Rs80.65 (d) Rs1.435

Ans: 14.35

Explanation:

$\: \: 50.00 \\ - 35.65 \\ - - - - \\ 14.35 \\ - - - -$

Option (b) is correct.

20. The number 0.125 can be written as fractions in lowest terms:

(a) 1/8 (b) 125/1000 (c) 25/200 (d) 5/40

Ans: 1/8

Explanation:

$0.125 = \frac{125}{1000}$

cancel common factors

$\frac{125}{1000} = \frac{125}{8 \times 125}$

$0.125= \frac{1}{8}$

Option (a) is correct.

True(T) or False(F)

1. The place value of a digit at the tenth place is 10 times the same digit at the ones place.

Ans: False

Explanation: The system is incorrect.

It will be true if written as

"The place value of a digit at the tens place is 10 times the same digit at the tens place."

2. The decimal 3.725 is equal to 3.72

correct to two decimal places.

Ans: False

Explanation: The system is incorrect.

It will be true if written as

"The decimal 3.725 is equal to 3.73 correct to two decimal places."

3. In the decimal form, fraction \frac{25}{8} = 3.125

Ans:True

Because on division the same result will found, as follows

$\: \: \: \: \: \: \: \: \: 8)25(3.125 \\ 24 \\ - - - \\ 10 \\ 8 \\ - - - \\ 20 \\ 16 \\ - - - - \\ 40 \\ 40 \\ - - - \\ 0 \\ - - -$

4. The decimal 23.2 = 23 \frac{2}{5}

Ans: False

$23.2 = 23 \frac{2}{10}$

or

$23.2 = 23 \frac{1}{5}$

5. 42.28 – 3.19 = 39.09

Ans:True

$\: \: 42.28 \\ - 3.19 \\ - - - - \\ 39.09 \\ - - - -$

Fill In The Blanks

1. 4.55 + 9.73 =14.28

2. 8.76 – 2.68 =6.08

3. The value of 50 coins of 50 paisa = 25 Rupees.

4. 3 hundredths + 3 tenths = 0.33

5. Decimal 16.25 is equal to the fraction 1625/100

in lowest term it can be expressed as 65/4

Very Short Answer Type Questions

1. Express 11/20 as a decimal.

Ans: 11/20= 0.55

$\: \: 20)110(0.55 \\ 100 \\ - - - \\ 100 \\100 \\ - - - - \\ 0 \\ - - - -$

2. Express 0.041 as a fraction.

Ans: 41/1000

3. Convert 5201 g to kg.

Ans: 5201 g is equal to 5.201 kg

or 5 kg 201 gm

4. Convert 2009 paise to rupees.

Ans: 2009 paise= 20.09 rupees

or 20 rupees 09 paise

5. Round off 75.195 to nearest hundredths.

Ans: 75.195 is round off to nearest hundredths as 75.200 or 75.2

6. What should be added to 4.762 to get 7?

Ans: 7.000-4.762= 2.238

2.238 should be added to 4.762 to get 7

Short Answer Type Questions

1. Arrange in ascending order: 0.011, 1.001, 0.101, 0.110

Ans:

$\bf 0.011 < 0.101 < 0.110 < 1.001$

2. Add the following 20.02 and 2.002

Ans: 22.022

$\: \: 20.020\\ + 02.002 \\ - - - - \\ \: \: 22.022 \\ - - - -$

3. Which one is greater?

1 m 40 centimetres + 60 centimetres or 2.6 metres

Ans: 1 m 40 centimetres + 60 centimetres =2 m

Thus,

2.6 metres is greater.

4. What should be added to 25.5 to get 50?

Ans:

$\: \: \: \: 50.0 \\ - 25.5 \\ - - - - \\ \: \: \: 24.5 \\ - - - -$

24.5 should be added to 25.5 to get 50.

Hope it will help you.

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