Question :
If P:Q = 5:2, then (2P-3Q):(3P-5Q) is equal to :
যদি P:Q = 5:2, তাহলে (2P-3Q):(3P-5Q) এর সমান:
2:7
4:5
3:4
Solution:
$\require{cancel}$
$P:Q = 5:2$
ধরি, $P = 5x$ এবং $Q = 2x$
∴ $ (2P-3Q):(3P-5Q)$
= $(10x - 6x):(15x-10x)$
= $4x : 5x$
= $4:5$
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