Question
The average of four consecutive odd numbers is 34. Find
the largest of these numbers.Solution
Let the numbers be x, x + 2, x + 4, x + 6. Average = (x + x + 2 + x + 4 + x + 6)/4 = 34 4x + 12 = 136 x = 31 Largest number = x + 6 = 31 + 6 = 37 Correct Option: a
The sum of the ages of a father and his son is 50 years. After 10 years, the father will be four times as old as the son. What are their current ages?
Rohit's current age matches Rahul's age from 5 years earlier. If the age of Rohit 10 years from now will be the same as Rahul's age 5 years from now, wh...
Two years hence, the ratio of the ages of βBβ and βCβ will be 5:4. The present age of βCβ is half of the sum of the present ages of βAβ...
The ratio of present ages of Rohan to his father is 2:7, and the ratio of present ages of Rohan to his mother is 3:10. If Rohan's...
The respective ratio of the present ages of A and B is 4:5. The present age of C is 20% more than that of B. The sum of the present ages of A, B and C i...
The combined current ages of A, B, and C amount to 75 years. Five years from now, A's age compared to C's will be in the ratio of 5:7. Currently, B is 2...
Aβs age is 120% of what he was 4 years ago, But 60% of what it will be after 4 years. What is his present age?
A group of 7 friends had an average age of 24 years. When two new friends join the group, the average age of the group increases to 26 years. If the age...
The ratio of age of βBβ after 5 years from now and age of βCβ 4 years ago from now is 7:4, respectively. The present age of βCβ is 30% of th...
Which of the following is a video format?