Challenge Prelims V1.0 – Day 35 – CSAT Paper

1. For five children with ages a < b < c < d < e; any two successive ages differ by 2 years

Question: What is the age of the youngest child?

Statement 1: The age of the eldest is 3 times the youngest

Statement 2: The average age of the children is 8 years

Which one of the following is correct in respect of the above Question and Statements?

2. A, B, C and D are four friends with different ages ie. 25, 28, 27 and 36 not in the same order. A’s age is a perfect square, B’s age is an even number and C’s age is divisible by 3. If D’s age is not an even number, which of the following is definitely true?

3. Mani’s present age is two fifth of the age of his mother. After 8 years, he will be one half of the age of his mother. What is the present age of mother?

4. The total ages of X, Y and Z is 93 years. Ten years ago, their ages were in the ratio 2:3:4. What is the present age of Z?

5. Consider two statements and a Question:

Statement 1: Rahul at present is 25 years younger to his mother

Statement 2: Rahul’s brother, who was born in 1964, is 35 years younger to his mother

Question: In which year Rahul was born?