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 ?
If the ages of P and R are added to twice the age of Q, the total becomes 59; if the ages of Q and R are added to thrice age of P, the total becomes 68 and if the age of P is added to thrice the age of Q and thrice the age of R, the total becomes 108. What is the age of P ?
The average height of 16 students is 142 cm. If the height of the teacher is included, the average height increases by 1 cm. The height of the teacher is
The present age of Romila is one fourth of that of her father. After 6 years the father’s age will be twice the age of Kapil. If Kapil celebrated fifth birth day 8 years ago, What is Romils’s present age ?
The average of the 9 consecutive positive integers is 63. The product of the largest and smallest integers is
The average height of 27 persons was recorded as 162 cm. If the height of Shreyas was deleted from the observation, the aver-age height reduced by 1 cm. What was Shreyas’ height ?
