Question
Average 20 numbers is ‘x’. If the average of first 12 numbers is 72.5 while average of last 5 numbers is 82.2 and 13th, 14th and 15th numbers are (3x - 42), (x + 50) and 183 respectively. Find the 14th number.
More Average Questions
- A village experienced an average rainfall of 150 cm during the first five days of a week, while the last five days recorded an average of 155 cm. If the av...
- In a sports club, the ratio of the number of footballs, basketballs, and volleyballs is 3:2:4, respectively, and the average number of these items is 72. W...
- The average of 10 numbers is 21.6. The average of the first four numbers is 17.5, and the average of the last three numbers is 24. The fifth number is 6 le...
- Suresh received 100, 92, 85, 97, 90 and 88 marks in his semester exams. What is his average score?
- The volume of cone is 2695 cm3. If its height is 2.1 cm then find the radius of the cone.
- The average of 17 numbers is 48. The average of first 9 numbers is 45 and average of next 9 numbers is 52. If 9th number is excluded, then the 60% of the a...
- The average of two numbers is 2 more than the smaller number among them. If the greater number is 20% more than the smaller number, then find the sum of th...
- The average of ten positive numbers is calculated as 56. On observing, it was found that two numbers 64 and 32 are wrongly interpreted as 76 and 52, respec...
- The total number of teachers in Department A and Department B together is 112. The number of teachers in Department A is 80% more than the number of teache...
- A college group of 50 students has an average age of 23 years. 10 new students are added and the average age decreases to 21. What is the average age of th...
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
Think You're Ready for RBI Grade B?
RBI Grade B 2026 Phase 1 Memory Based Paper
- 200 Questions with Detailed Solutions
- Section-wise Coverage (GA, English, Quant & Reasoning)