The average of four consecutive even numbers P, Q, R and S respectively (in increasing order) is 51. What is the product of P and R ?
Farah was married 8 years ago. Today her age is 1 (2/7) times to that at the time of marriage. At present her daughter's age is 1/6 th of her age.What was her daughter's age 3 years ago ?
Amit's present age is three times pratibha's present age and nine thirteenth of his father's present age. The sum of the present age of all of them is 150 years. What is the difference between pratibha's present age and Amit's father's present age ?
The average marks in English subject of a class of 24 students is 56. If the marks of three students were misread as 44, 45 and61 of the actual marks 48, 59 and 67 respectively, then what would be the correct average ?
The sum of 8 consecutive odd numbers is 656. Also average of four consecutive even numbers is 87. What is the sum of the smallest odd number and second largest even number ?
Average score of Rahul, Manish and Sureshis 63. Rahul’s score is 15 less than Ajay and 10 more than Manish. If Ajay scored 30 marks more than the average score of Rahul, Manish and Suresh, what is the sum of Manish’s and Suresh’s scores ?
The sum of eight consecutive even numbers of set-A is 376. What is the sum of different set of five consecutive numbers whose lowest number is 15 more than the mean of set-A ?
