exam
Maths Puzzle
Numerical Ability
In how many ways can a sum less than seven be obtained when tossing a pair of dice?
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exam Other Question
factor completly
5x^2y^7-15x^3y^4
Help needed!
1- A 12-foot ladder is leaning against a vertival wall, makes an angle X with the floor. If the top of the ladder is h-foot up the wall,express h in terms of X and th