Question 128
The sum of 15% of a positive number and 10%of the same number is 70 What is twice of that number ?
Solution
Let the number be x.
15% of x + 10% of x = 70
25% of x = 70
x = 70*4
x = 280
Now, twice of 280 = 280*2 = 560
The correct option is option C.
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