exam Maths Puzzle Numerical Ability

if bcde is congruent to opqr,then de is congruent to?

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exam Other Question

an airplane travels at N 62 E at 400m/h there is a 20mph wind due west what is the acual speed of the plane find three consecutive odd integers such that three times the second number added to twice the third number is seven times the first integer. find the three consecutive odd integers.