Ncert -Class 7- maths -worksheet – Fractions and Decimals

Single Choice Correct Questions

1. If a car covers a distance of 95.5 km in 2.5 hours, then the average distance covered by it in
1 hour will be
(a) 38 km.
(b) 38.2 km.
(c) 38.3 km.
(d) 39 km.
Ans: (a)
Explanation:
Distance covered by the car = 95.5 km
1 1 2 × 1 + 0 × + 4 ×
10 100

1 1 2 × 1 + 0 × + 4 ×
10 100

And, the time required to cover this distance = 2.5 hours
Therefore, distance covered by it in 1 hour =95.5/2.5= 38.2 km.

2.If we shift the decimal point two placestowards right of a number 0.045, then the new
number is
(a) 0.0045.
(b) 4.5.
(c) 45.
(d) 450.
Ans: (b)
Explanation:
Shifting the decimal points two places towards right of 0.045 means 0.045 x 100, which gives the number 4.5.

3. Among the following options, an improper fraction is
(a) 1/2
(b) 8/11
(c) 10/3
(d) 3/10
Ans: (c)
Explanation:

[In improper fraction, numerator >denominator]

4.A wire 15/4m long is broken into two pieces. If one piece is 2 (1/4)m long, then the length of the other piece will be
(a)1 (1/2) m.
(b) 3/4m.
(c) 9/4m.
(d) 6 m.
Ans: (a)

5. Fraction whose numerator is less than the denominator is called
(a) a fraction.
(b) a proper fraction.
(c) an improper fraction.
(d) a mixed fraction.
Ans: (b)

6. Fraction whose numerator is greater than the numerator is called a/an
(a) fraction.
(b) proper fraction.
(c) improper fraction.
(d) mixed fraction.
Ans: (c)

7. An equivalent fraction of 3/5 with numerator 27 is
(a) 27/45
(b) 30/45
(c) 30/27
(d) 45/27
Ans: (a)

8. The simplest from of 169/289 is
(a) 13/39
(b) 29/39
(c) 93/73
(d) 169/289

9. A man earns Rs 20,000 per month. If he saves 1⁄4 of his earning, then his saving in a
month is
(a) Rs 2,000.
(b) Rs 4,000.
(c) Rs 5,000.
(d) Rs 7,000.
Ans: (c)
Explanation:
Saving = 1⁄4 of his earning = 1⁄4 x Rs 20,000 = Rs 5,000

10. A man earns Rs 8,000 per month. If he saves 1⁄4 of his earning, then his expenditure per
month is
(a) Rs 2,000.
(b) Rs 3,000.
(c) Rs 4,000.
(d) Rs 6,000.
Ans: (d)

DESCRIPTIVE

1. The product of two decimals is 131.58. If one of them is 21.5. Find the other.

2. A milkman sells 42 litres of milk at rupees 25.50 per litre to a hotel. How much money will he get from them?

3. The thickness of 15 notebooks is 22.5cm. Find the thickness of one notebook.

4. Rohit has 50 rupees. He wants to buy chocolates from that money. If the cost of each chocolate is 7.50 rupees, how many chocolates can he buy?

5. A postman walks 5 3/5 km in a day. How much distance will he cover in 5 1/2 days?

6. What should be added to 5.74 to get 6?