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Maths Puzzle
Numerical Ability
a jet takes the same time to travel 2580 km with wind as it does to travel 1800 km against the wind. if the speed relative to air is 450km/hr what is the speed of wind
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How can I answer this question. Kindly help me.
3: Which expression is the LCD for 3x-1/ 2^2.3.x^2(x+2) and 2x+7/ 2.3^2.x(x+2)^2
1. 2•3•x(x + 2)
2. 36x(x + 2)
3. 36x2(
Solve the proportion :
12 / 44 = 21 / x