book Maths Puzzle Numerical Ability

This is the question: There are bolts and nuts in a box. The number of bolts are 55 times as many as nuts. If 18 more nuts are put in the box, there will be only 40 times as many b

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book Other Question

Consecutive integers.
I need to find three consecutive integers such that the sum of their squares is 77.
solve the linear system- if the system is inconsistent or dependent, so state...

x/6 + y/3 = 8