2004
Mathematics
JAMB
Evaluate (1/10×2/3+1/4)/((1/2)/(3/5)-1/4)
A.
7/12
B.
19/35
C.
2/25
D.
19/60
Correct Answer: 19/35
Explanation
(1/10×2/3+1/4)/((1/2)/(3/5)-1/4) Numerator 1/10×2/3+1/4=1/5+1/4=(4+15)/60=19/60 denominator=(1/2)/(3/5)-1/4=1/2×5/3-1/4=5/6-1/4=(10-3)/12=7/12 Numerator/denominator=(19/60)/(7/12)=19/60×12/7=19/35
(1/10×2/3+1/4)/((1/2)/(3/5)-1/4) Numerator 1/10×2/3+1/4=1/5+1/4=(4+15)/60=19/60 denominator=(1/2)/(3/5)-1/4=1/2×5/3-1/4=5/6-1/4=(10-3)/12=7/12 Numerator/denominator=(19/60)/(7/12)=19/60×12/7=19/35THIS WEEK's
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