If the average of number, its 75% and its 25% is 240, then the number is :
A. 280
B. 320
C. 360
D. 400
Answer: Option C
Solution(By Examveda Team)
Let the number be xThen,
$$\eqalign{ & \Rightarrow \frac{{x + 75\% {\text{ of }}x + 25\% {\text{ of }}x}}{3} = 240 \cr & \Rightarrow x + \frac{{75}}{{100}}x + \frac{{25}}{{100}}x = 240 \times 3 \cr & \Rightarrow x + \frac{3}{4}x + \frac{1}{4}x = 720 \cr & \Rightarrow 2x = 720 \cr & \Rightarrow x = 360 \cr} $$
Related Questions on Percentage
A. $$\frac{1}{4}$$
B. $$\frac{1}{3}$$
C. $$\frac{1}{2}$$
D. $$\frac{2}{3}$$
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