KSEEB Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.3
KSEEB Solutions for Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.3
Karnataka State Syllabus Class 7 Maths Chapter 2 Fractions and Decimals Ex 2.3
Question 1.
Find :
Solution:
ii)
Question 2.
Multiply and reduce to lowest form (if possible)
i)
Solution:
ii)
Solution:
iii)
Solution:
iv)
Solution:
v)
Solution:
vi)
Solution:
vii)
Solution:
Question 3.
Multiply the following fractions:
i)
Solution:
ii)
Solution:
iii)
Solution:
iv)
Solution:
v)
Solution:
vi)
Solution:
vii)
Solution:
Question 4.
Which is greater :
i)
Solution:
Now,
we have to find greater of
To compare fractions, we make denominator equal.
ii)
Solution:
Now,
we have to find greater of 3/7 & 2/7
Since denominator is same, number with greater numerator is greater.i.e., 3/7>2/7
∴ Thus 1/2 of 6/7 is greater
Question 5.
Saili plants 4 saplings in a row, in her garden. The distance between two adjacent saplings is 3/4 m. Find the distance between the first and the last sapling.
Solution:
Saili plants 4 saplings, in a row.
The distance between each sapling = 3/4 m
Question 6.
Lipika reads a book for 1 3/4 everyday. She reads the entire book in 6 days. How many hours in all were required by her to read the book ?
Solution:
Number of hours read everyday = 1 3/4 hours
Number of days to read whole book = 6 days
Therefore,
Question 7.
A car runs 16 km using 1 litre of petrol. How much distance will it cover using 2 3/4 litres of petrol.
Solution:
Distance of car runs in 1 litre = 16km
∴ Car will run 44 km in 2 3/4 litre of petrol.
Question 8.
a) i) Provide the number in the box □, such that Undefined control sequence \square
Solution:
ii) The simplest form of the number obtained in □ is ___
Solution:
b) i) Provide the number in the box □, such that Undefined control sequence \square
Solution:
b) ii) The simplest form of the number obtained in □ is ___.
Solution:
it cannot be simplified further
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