A person gives $$\frac{1}{4}$$ of his property to his daughter, $$\frac{1}{2}$$ to his sons and $$\frac{1}{5}$$ for charity. How much has he given away ?
A. $$\frac{1}{20}$$
B. $$\frac{19}{20}$$
C. $$\frac{1}{10}$$
D. $$\frac{9}{10}$$
Answer: Option B
Solution(By Examveda Team)
Let the property is 'P' unitsAccording to the question,
Given part,
$$\eqalign{ & = \frac{1}{4}P + \frac{1}{2}P + \frac{1}{5}P \cr & = \frac{{5P + 10P + 4P}}{{20}} \cr & = \frac{{19}}{{20}}P \cr} $$
Part of property given away $$\frac{19}{{20}}$$
Related Questions on Number System
Three numbers are in ratio 1 : 2 : 3 and HCF is 12. The numbers are:
A. 12, 24, 36
B. 11, 22, 33
C. 12, 24, 32
D. 5, 10, 15
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