Exercise 7.6
Page No 160:
Question 1:
Solve(a)
(b) 
(c)
(d) 
(e)
(f) 
(g)
(h) 
(i)
(j) 
(k)
(l) 
(m)
(n) 
Answer:
(a)
(b)
(c)
(d)
(e)
(f)
(g)
(h)
(i)
(j)
(k)
(l)
(m)
(n)
Question 2:
Sarita bought
metre of ribbon and Lalita 
metre of ribbon. What is the total length of the ribbon they bought?Answer:
Length of ribbon bought by Sarita =
Length of ribbon bought by Lalita =
Total length of ribbon bought by them =
Question 3:
Naina was given
piece of cake and Najma was given 
piece of cake. Find the total amount of cake was given to both of them.
Page No 161:
Question 4:
Fill in the boxes: (a)
(b) 
(c) 
Answer:
(a)
(b)
(c)
Question 5:
Complete the addition-subtraction box.(a)
Answer:
(a)
Hence, the given box can be completed as
Hence, the given box can be completed as
Question 6:
A piece of wire
metre long broke into two pieces. One piece was 
metre long. How long is the other piece?Answer:
Length of one piece =
The length of the other piece of wire will be the difference of the lengths of the original wire and this piece of wire.
Hence, length of the other piece of wire =
Question 7:
Nandini’s house is
km from her school. She walked some distance and then took a bus for 
km to reach the school. How far did she walk?Answer:
Distance walked by Nandini = Total distance − Distance for which she took the bus
Question 8:
Asha and Samuel have bookshelves of the same size partly filled with books.Asha’s shelf is
th full and Samuel’s shelf is 
th full. Whose bookshelf is more full? By what fraction?Answer:
Fraction of Asha’s shelf =
Fraction of Samuel’s shelf =
Converting these into like fractions,
Clearly, Asha’s bookshelf is more full.
Difference =
Question 9:
Jaidev takes
minutes to walk across the school ground. Rahul takes 
minutes to do the same. Who takes less time and by what fraction?Answer:
Time taken by Jaidev =
minutes =
minTime taken by Rahul =
minConverting these into like fractions,
Hence, Rahul takes lesser time.
Difference =
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