Get Started with ixamBee
Start learning 50% faster. Sign in now
The correct answer is B
The average age of a group of 25 persons is found to be 30 years. Later it is found that age of two of the persons is calculated as 32 and 60 ins...
The average of the present ages of Arun, Mohan, and Deepak together is 30 years. Five years from now, the sum of the ages of Mohan and Deepak will be 66...
In a Math exam, the average score of 50 students is 68. The ratio of boys to girls in the class is 3:2. If the average score of the boys is 70, what is ...
The average Economics marks of two sections A and B of class X in the annual examination is 70. The average marks of Section A is 72.5 and that of secti...
The mean purchase price of items 'X' and 'Y' is Rs. 600. Article 'X' is sold with a 20% profit, while article 'Y' is sold with a 30% profit. Calculate t...
The average weight of 32 employees in an office is 38 kg, while the average weight of 6 managers overseeing these employees is 62 kg. If 12 employees an...
5 positive numbers are written on a piece of paper. Sum of first 3 numbers is 55 and ratio of the 4th and the 5th number is 2:3. If difference between t...
The average cost of three chairs is Rs.16000. The average cost decrease by 20% when one more chair is included. What is the cost price of the 4th
The average age of a group of 10 friends is 27 years. If one friend leaves the group, the average becomes 25years. Find the age of the friend who left t...
The average cost price of 21 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.55. ...
