TCS Company Numerical Ability Ratio and Proportion

KEYWORDS: one organization ,material labour and maintenance are in the ratio of 4:6:7,the material cost
is 100. what is the total cost?

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TCS Other Question

of polynomial for degree of x>+1 where f(x2)=f(x)2=f(f(x)) a ladder is 100 m long and distance between bottom of the ladder and wall is 60m.what is the maximum size of the cube that can be placed between the wall and the ladder.