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प्रश्न
What number increased by 15% of itself gives 2921?
उत्तर
Let the number be x.
As per the given condition,
x + 15% of x = 2921
⇒ `x + 15/100 x xx` = 2921
⇒ `x + (15x)/100` = 2921
⇒ `(115x)/(100)` = 2921
⇒ 115x = 292100
⇒ x = 2540
Hence, the number is 2540.
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