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65% of a number is more than its two-fifth by 140. What is 30% of that number ?
- A186
- B168
- C164
- D182
Answer not set
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0
CCommunity
Solution
Let the number be X.
So, $ 65 \%$ of X - $\frac{2}{5}$ of X = 140
Or, $(\frac{65}{100}-\frac{2}{5})*X = 140$
So, $\frac{25}{100}*X = 140$
Therefore, X = 140*4 = 560
Hence, 30% of X = 30%*560 = 168
Let the number be X.
So, $ 65 \%$ of X - $\frac{2}{5}$ of X = 140
Or, $(\frac{65}{100}-\frac{2}{5})*X = 140$
So, $\frac{25}{100}*X = 140$
Therefore, X = 140*4 = 560
Hence, 30% of X = 30%*560 = 168
0
CCommunity
Solution
Let the number be X.
So, $ 65 \%$ of X - $\frac{2}{5}$ of X = 140
Or, $(\frac{65}{100}-\frac{2}{5})*X = 140$
So, $\frac{25}{100}*X = 140$
Therefore, X = 140*4 = 560
Hence, 30% of X = 30%*560 = 168
Let the number be X.
So, $ 65 \%$ of X - $\frac{2}{5}$ of X = 140
Or, $(\frac{65}{100}-\frac{2}{5})*X = 140$
So, $\frac{25}{100}*X = 140$
Therefore, X = 140*4 = 560
Hence, 30% of X = 30%*560 = 168