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Start learning 50% faster. Sign in nowThe correct answer is B
The average marks scored by 45 boys and 55 girls are 78 and 84 respectively. Find the average marks scored by all the students together. (Answer should ...
The mean of 50 observations was calculated as 75. It was later found that one of the observations was misread as 173 instead of 113. The correct mean is...
Each question contains a statement followed by Quantity I and II. Read the information clearly and answer your questions accordingly.
Quan...
Nora claims her age is between 18 and 22 years. Her grandmother says Nora's age is between 20 and 24 years. Her aunt thinks her age is between 19 and 21...
Average age of a class of 25 students is 13 years. Average age of the class is increased by 30 months if the age of the teacher is included. Find the ag...
The average of five even numbers is 36. If we replace two of these even numbers, 82 and 88, with a single even number X, the new average decreases by 4....
There are three distinct numbers ‘u’, ‘v’ and ‘w’. If, u = 240, (u + v) = 540 and (w – v) = 60, then find the average of u, v and w.
...Rohit Sharma's strike rate is initially 125 after facing a certain number of balls. Over the next 14 balls, he scores an addition...
A group of people contains men, women, and children. If 40% of them are men, 35% are women, and the rest are children, and their average weights are 70 ...
The average weight of 10 books is 5 kg. If 6 new books are added, the new average increases by 3 kg. What will be the average weight of the 6 new books?
