exam Maths Puzzle Numerical Ability

Can anyone please help me? I'm having a hard time figuring it out.

A specific brand of bike comes in two frames, for males or females. Each frame comes in a choice of two colo

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exam Other Question

a man rode a bycycle for 12 miles then hiked an additional 8 miles . the total time for the trip was 5 hrs . if the rate when he was riding his bicycle was 10 miles per hour faster than his rate walking , what was each rate 0.3x-0.2y=4
0.2x+0.5y=-3