Question
The ratio of the present ages of father and his son is
5:2. The product of their ages 4 years ago was 31 times of his son’s age that year. What was son’s age 2 year ago?Solution
Let present age of father and son be 5x and 2x respectively. According to question, => (5x – 4) (2x – 4) = 31 × (2x – 4) => (5x – 4) = 31 => 5x = 35 => x = 7 Therefore, son’s age 2 years ago = (2x – 2) = 12 years
In case of mutually exclusive projects and when NPV and IRR giving conflicting results, go for the project having higher IRR
In which of the following state Nag River flow?
राजस्थान के किस जिले में सर्वाधिक लिंगानुपात है ?
Where and when was the Ghadar Party founded?
How many states do the biodiversity-rich Western Ghats span across in India?
The first Football World Cup final was played between:
1. Every year the annual meeting of World Economic Forum is held in Davos. It is a cityin:
Which cities does the first Namo Bharat Rapid Rail connect?
Who is the International Chess Federation (FIDE) Deputy President?
Who will take charge as director of cricket at the National Cricket Academy (NCA) in Bengaluru?
Relevant for Exams:
