exam
Maths Puzzle
Numerical Ability
James is one and a half times taller than his sister Jill. Together their heigh is 10 ft 5 ins . What are their individual heights?
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exam Other Question
using addition, subtraction, multiplication,division, parenthesis make an expression using 1, 3, 4, 6 once and the total should be 24.
I need help to solve this kind problems, thank you.
The solutions for {{{ mx^2 - 2x - 4m - 1 = 0 }}} are x1 and x2. Determine m so that x1 > 1 and x2 < 1.