In an examination, the average marks obtained by the students is 40. After correcting the quantitative mistakes, the average of 50 students is reduced t...
The average cost price of 13 pens (having equal cost price) decreased by Rs.3, when one of the pen is replaced by a new pen having cost price of Rs.60. ...
A and B started a business investing Rs. 1500 for ‘x’ months and Rs. 1800 for 10 months, respectively. Out of total profit of Rs. 5000, profit shar...
Average marks scored by Vineet in five subjects are 85. The average marks scored by him (excluding his highest and lowest marks) are 65 and lowest marks...
In a College with 1200 students, the average age of the boys is 24 years and that of girls is 17 years. If the average age of the college is 22 years an...
The average of 27 numbers is 20.The average of first 13 numbers is 15 and that of the last 13 numbers is 18. What will be the 27th number?
The average age of 26 children and their teacher's age are 22 years. If the teacher's age is excluded, the average reduces by 1. What is the teacher's age?
Determine the average marks achieved by six additional aspirants if the average score of 24 aspirants in a mock test is 67. Adding the marks of these si...
The average number of books sold by Viren in first 5 months is 4200 and in first 6 months is 5000. If the number of books sold by him in 7th ...
A bowler gives 15 runs per wicket. He gives 30 runs and takes 5 wickets in a last match after which his average becomes 13.5 runs per wicket. How many w...
