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Maths Puzzle
Numerical Ability
What is the prime factorization of the number 20
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book Other Question
If 40rpm = 29kg How many rpm = 40 kgs
gven 29 kgs = 40 rpm therefore
1 kg = 40 divided by 29 = 40/29
40 kgs = 40/29 multiplied by 40 = 1600/29 = 55.17 kgs
Linear Systems
w+2x+3y-4z=-5
2w-x+y-2z=-7
3w-x-2y+z=7
4w-4x-2y+3z=3