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Maths Puzzle
Numerical Ability
Given f(x) = 5x + 1, find f(a + 2)
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book Other Question
1. 37sqrt2x^5-60x^2sqrt50x
2. 44 ^3sqrt135x^5-90x^3sqrt5x^2
3. 13/^3sqrt25x
4. 3/^4sqrt2
What is the number of arrangements that can be made out of the letters of the words "SUCCESS" so that all the S do not come together?