In how many ways two distinct numbers n 1 and n 2 can be selected from the set { 1 , 2 , 3 , 4 , … ..100 } so that 7 n 1 + 3 n 2 is a multiple of 5 is

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MathematicsPermutation & CombinationFundamental PrincipleMedium2 minQB

MathematicsMediumsingle choice

In how many ways two distinct numbers $n_{1}$ and $n_{2}$ can be selected from the set ${1, 2, 3, 4, \dots ..100}$ so that $7^{n_{1}} + 3^{n_{2}}$ is a multiple of 5 is

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Stream:JEESubject:MathematicsTopic:Permutation & CombinationSubtopic:Fundamental Principle

⏱ 2mℹ️ Source: QB

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