book
Maths Puzzle
Numerical Ability
What is the perimeter of a rhombus-shaped highway sign with a 20-centimeter side?
a-40 centimeters
b-80 centimeters
c-400 centimeters
d-20 centimeters
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book Other Question
(i+root3)^100 +(i-root3)^100 + 2^100=?
p(x)=3x^3-10x^2-5x+2 has three real roots one of them is -2/3 the others are ____ and ____