Question
The average age of three children in a family is 25% of
the average of the age of father and the eldest child. The total age of the mother and the younger child is 49 years. If the father’s age is 28 years, what is the age of the second child?Solution
Given that the average age of three children in the family is 25% of the average of the father and the eldest child Therefore, let us suppose the age of the three children be a, b , c And the average would be = (a+b+c)/3 = 25/100×(28+c)/2 = (a+b+c)/3 = (28+c)/8……………..(i) Let us suppose that the age of mother is d, ∴ d + a = 49 …………………(ii) Even from both the equations, value of b cannot be determined.
The National Workshop on the National e-Vidhan Application (NeVA) is being organized by which ministry?
 For the Namo drone Didi Yojana, how many rupees have been approved by the Indian government?
All India Kisan Sabha which was the first peasant organization of India was constituted in which year ?
From which date did key provisions of the Banking Laws (Amendment) Act, 2025, come into force?
With whom will NPCI International Payments Limited tie up for cross border transactions?
Taiwanese contract manufacturer Foxconn plans to invest Rs 4,000 crore in a new electronics manufacturing facility in which Indian state?
Which space agency has recently presented evidence of ice presence at the Moon's poles?
Consider the following statements regarding the Republic of Dagestan:
1. It is located within the China
2. It shares boundary with the...
Who will lead the Indian team at the World Athletics Championships?
Which of the following statements is correct regarding Pradhan Mantri Fasal Bima Yojana?
I. This scheme was launched in October 2018.
II. ...