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Question
Find the ratio in which rice at Rs.
$7.20$
one kg be mixed with rice at Rs.
$5.70$
one kg to produce a mixture worth Rs.
$6.30$
a kg.
A
$1:3$
B
$2:3$
C
$3:4$
D
$4:5$
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Solution
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Correct option is B)
According to the problem:
Let us consider the rule of alligation:
Cost of
$1$
kg of first kind
Cost of
$1$
kg of second kind
Since the required ratio is
$60:90=2:3$
.
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