Mathematics Practice Questions

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🔘 Single MCQ 🟢 Easy 📐 Mathematics Binomial Theorem

If unit digit of $a!+b!+c!$ is 9 then find the value of ${(a!)(b!)(c!)}$

A 8

B 5040

C 0

D 12

🔘 Single MCQ 🟢 Easy 📐 Mathematics Binomial Theorem

If $a!+b!+c!+d!+e!$ is a two digit number then find the maximum value of $e$.

A 1

B 2

C 4

D 5

✏️ Subjective 🟢 Easy 📐 Mathematics Functions

A function $f:R\to R$ is defined as $f\left( x \right)=3x+5$. Find $f^{-1}\left( x \right)$.

✏️ Write your complete solution

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