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Byju's Answer
Standard VI
Mathematics
Word Problems
If the cost o...
Question
If the cost of 7 books of the same kind is Rs. 105. What is the total cost of 15 such books?
A
Rs.
205
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B
Rs.
425
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C
Rs.
325
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D
Rs.
225
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Solution
The correct option is
D
Rs.
225
∵
7
books cost
=
R
s
.105
∴
1
book costs
=
105
7
=
15
Hence,
15
books cost
=
15
×
15
=
R
s
.225
.
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