The difference between the present ages of Arun and Deepak is 14 years. Seven years ago the ratio of their ages was 5:7 respectively. What is Deepak’s present age ?
The average weight of a group of 75 girls was calculated as 47 kgs. It was later discovered that the weight of one of the girls was read as 45 kgs., whereas her actual weight was 25 kgs. What is the actual average weight of the group of 75 girls ? (Rounded off to two digits after decimal)
Present age of Rahul is 5 years less than Ritu’s present age. If 3 years ago Ritu’s age was x, which of the following represents Rahul’s present age ?
Average weight of three boys P, T and R is $54\frac{1}{3}$ kgs while the average weight of three boys, T, F and G is 53 kgs. What is the average weight of P, T, R, F and H ?
In Arun’s opinion his weight is greater than 65 kg but less than 72 kg. His brother does not agree with Arun and he thinks that Arun’s weight is greater than 60 kg but less than 70 kg. His mother’s view is that his weight cannot be greater than 68 kg. If all of them are correct in their estimation, what is the average of different probably weights of .Arun ?
Of the three numbers, the average of the first and the second is greater than the average of the second and the third by 15. What is the difference between the first and the third of the three numbers ?
The product of the ages of Harish and Seema is 240. If twice the age of Seema is more than Harish’s age by 4 years, what is Seema’s age in years ?
