If the amount of rs 400in 3year is rs 460,what wil be the amount of rs 750in 7 1divided2 year
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7th
Maths
Comparing Quantities
Ratios in Proportion
Rs. 750 is divided among A,...
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Asked on December 30, 2019 by
Noor Manivannan
Rs. 750 is divided among A,B and C in such a manner that A:B=5:2 and B:C=7:13. What is A
′
s share?
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Since, A:B=5:2 and B:C=7:13
∴
B
A
=
2
5
and
C
B
=
13
7
⇒
B
A
=
2
5
×
7
7
and
C
B
=
13
7
×
2
2
⇒
B
A
=
14
35
and
C
B
=
26
14
⇒A:B:C=35:14:26
Let A
′
s share =35x
B
′
s share =14x
C
′
s share =26x
∴35x+14x+26x=750
⇒75x=750
⇒x=10
⇒A
′
s share =35x=35×10=350
Option A is correct.
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