যদি P:Q = 5:2, তাহলে (2P-3Q):(3P-5Q) এর সমান | If P:Q = 5:2, then (2P-3Q):(3P-5Q) is equal to

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:

5:6

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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