Question
The average weight of a certain number of students in a group was 72 kg. If 11 students, with an average weight of 76 kg each, leave the group, and 5 students, each with an average weight of 79 kg, join the group, the average weight of the students in the group decreases by 0.6 kg. The number of students initially in the group was:
More Previous year papers Questions
- A retailer bought 250 kg of a cereal and sold it at a profit to the extent of what he paid for 160 kg. What is his profit percentage?
- Find the smallest 5 digit number which when divided by 3, 5, 8, 9 and 11 leaves remainders 1, 3, 6, 7 and 9 respectively.
- Rohit took a loan of Rs. 19,500 from a bank on 24th January 2004 at 83(3/4)% per annum and paid it back on18th June 2004. Find the total amount paid by Roh...
- A sum of money is divided among A, B, and C in the ratio 4 : 3 : 6. If the share of C is ₹600 more than B, then how much amount will A get more than B?
- If 71% of the first number is equal to two-ninths of the second number, what is the ratio of the first number to the second number?
- A payment of ₹120 is made with ₹10, ₹5 and ₹2 coins. A total of 25 coins are used. Which of the following is the number of ₹10 coins used in the payment?
- What is the ratio of the average number of sale of English newspapers in localities B and D together to the average sale of Hindi newspapers in all the loc...
- When an article is sold for ₹388, there is a loss of 3%. What is the selling price (in ₹) of the article, if it is sold at a gain of 18%?
- The average weight of some students in a section is 35.5 kg. Twelve of them whose average weight is 37 kg leave the section and another 5 students with wei...
- When a number is divided by 119, the remainder remains 10. When the same number is divided by 17, what will be the remainder?
Relevant for Exams:
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
