Question
The product of the ages ofAnkit and Nikita is 240. If twice the age of Nikita is more than Ankit's age by 4 years, what is Nikita's age?
Answer: Option B
- Let Ankit's age be x years. Then, Nikita's age = 240/x years.
2 x (240 /x ) – x = 4
480 – x2 = 4x
x2+ 4x – 480 = 0
( x+24)(x-20) = 0
x = 20.
Hence, Nikita's age = (22 - 10) years = 12 years.
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- Let Ankit's age be x years. Then, Nikita's age = 240/x years.
2 x (240 /x ) – x = 4
480 – x2 = 4x
x2+ 4x – 480 = 0
( x+24)(x-20) = 0
x = 20.
Hence, Nikita's age = (22 - 10) years = 12 years.
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