exam
Maths Puzzle
Numerical Ability
Jan can run at 7.5 m/s and Mary at 8.0 m/s. On a race track Jan is given a 25 m head start, and the race ends in a tie. How long is the track?
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exam Other Question
sketch a graph of the fuction.
1. Y=1/x-3
2. Y=(1/x+1)+1
Genetic problems, dihybrid crosses:
In watermelon, the genes for green color(G) and for short shape(S) are dominant over their alleles for striped color(g) and for long shape(s).