# New Learning Composite Mathematics Class 7 SK Gupta Anubhuti Gangal Fractions and Decimals Chapter 2 Solution

### Self Practice 2B Solution

(6) SOLUTION: Nishi spend time on learning spellings = (90 x 1/9) m
= 10 m.

### Self Practice Exercise 2K Solution

Divide
(1) (a) 29.6 ÷ 3.7
(b) 0.377 ÷ 2.9
(c) 42.3 ÷ 0.12
(d) 9.375 ÷ 0.75

SOLUTION:

(2) (a) 16 ÷ 0.0004
(b) 1 ÷ 0064
(c) 396 ÷ 0.00375

SOLUTION:

(3) (a) 0.000133 ÷ 8.75
(b) 0.03 ÷ 0.0008
(c) 0.00217 ÷ 12.4

SOLUTION:

(4) Evaluate correct to 3 places of decimals.
(a) 4.13 ÷ 7.04
(b) 0.67 ÷ 5.08
(c) 5.872 ÷ 291.4

(5) Express the following fractions as decimals, giving your answer correct to 3 decimal places.
(a) 8/13
(b) 12/19
(c) 9/65
(d) 80/97

SOLUTION 4 & 5:

### Self Practice Exercise 2L Solution

Convert:

(1) (a) 3 km = How many meter
(b) 2 m = How many centemeter
(c) 5 cm = How many milimeter
(d) 2.9 m = How many centemeter
(e) 0.89 km = How many meter
(f) 0.3 m = How many milimeter
(g) 7 dam = How many meter
(h) 5 hm = How many meter
(i) 2 m = How many decemeter.

(2) (a) 478 cm = How many meter
(b) 3209 centemeter = How many meter
(c) 90 milimeter = How many how many centemeter.
(d) 49 meter = How many kilometer.
(e) 2000 m = How many kilometer
(f) 200 cm = How many meter.
(g) 428 milimeter = How many meter
(h) 3 milimeter = how many meter
(i) 8 dacemeter = How many kilometer.

(3) (a) 5 kg = How many gram
(b) 3.7 kg = How many gram
(c) 0.289 kg = How many gram
(d) 3.59 g = How many miligram
(e) 9 g = How many miligram.
(f) 0.05 g = How many miligram.
(g) 2 q = How many kilogram
(h) 2.9 t = how many kilogram
(i) 0.032 kg = How many gram

(4) (a) 4000 g = How many kilogram
(b) 1800 gram = How many kilogram.
(c) 46 g = How many kilogram.
(d) 729 mg = How many gram.
(e) 700 mg = How many gram.
(f) 67 mg = How many gram.
(g) 8 mg = How many gram
(h) 9 g = How many kilogram
(i) 2 cg = How many miligram.

(5) (a) 4 hg = How many gram.
(b) 1.9 km = How many decemeter.
(c) 8.3 decagram = How many dg.
(d) 75 dam = How many kilometer
(e) 4 dg = How many miligram
(f) 300 kg = How many quintal.

SOLUTION Number 1, 2, 3, 4, & 5:

(6) Compare and put <,> or == in the given boxes.
(a) 5,000 mm ____ 5 m
(b) 3.8 kg ____ 400 g
(c) 5 mg ____ 1 g
(d) 3 g ____ 30,000 mg
(e) 0.0087 m ____ 8.7 mm
(f) 0.2 km ____ 2000 mm

SOLUTION Number 6:

### Self Practice 2M Solution

(1) Find in cm, the height of a pile of books is each is 2 cm 3 mm thick.

(2) A pile of 160 sheets is 6.08 cm high. Find in mm the thickness of one sheet.

SOLUTION Number 1 & 2:

(3) How many pieces of tape each 6 cm long, can be cut from a length of 1 m 5 cm and how much remains?

(4) How many jars each holding 1.75 kg of jam can be filled from a vessel containing 100 kg of jam and how much remains?

(5) A racing car travels 425 m in 10 sec; express this speed in km per hour.

(6) A flask weighs 64.27 g when empty and 150.35 g when full of water. Find its weight when it is half full of water.

(7) A square and an equilateral triangle have a side in common. If a side of the triangle is 15 mm long, find the perimeter of the figure given alongside in cm.

(8) Diameter of Earth is 12756000 m. A new plant was discovered whose diameter 5/86 of the diameter of Earth. Find the diameter of the planet of this planet in km.

(9) Ravindra is 144 cm tall. That is 9/10 as tall as his elder brother. How tall is Ravindra’s elder brother?

SOLUTION Number 6, 7 ,8 & 9:

(10) A public sewer line is being installed along 161/2 m of road. The supervisor says that the labourers will be able to complete 7.5 m in one day. How long will the project take to complete?

SOLUTION Number 10:

Updated: January 10, 2020 — 2:04 pm

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2. Superb

1. Integer chapter exercise

3. New mathmatics today 7
S chand publishes
By
Anubhuti gangwal
Sp gupta
Op

Need solutions
Plz

4. Where is self practice 2I ???

1. I also awning where is the self practice to 2
I

5. Integer chapter exercise

6. New mathmatics today 7
S chand publishes
By
Anubhuti gangwal
Sp gupta
Op
Need solutions
Plz

1. Publish it soon

7. चैप्टर वन कि सॉल्यूशंस क्यों नहीं है

8. Thanks to you for helping me by such solutions

9. Plzz give me solution of chapter 2

10. ☹️