Question
The mean and median for a given set of data points are 15 and 25, respectively. If each data point is multiplied by a constant k and the new mean becomes 135, what is the value of k?
More Previous year papers Questions
- Question 1
- Eight boys Ram, Sumit, Sunil, Rahul, Raj, Aman, Amit and Anil are sitting around a circular table facing opposite to the centre (not necessarily in the sa...
- If the diameter of the base and curved surfaced area of a cylinder are 14cm and 352 cm² , respectively, then the total surface area of the cylinder is equa...
- The average age of A, B and C is 20 years. Two years ago the sum of the ages of A and B was 6 more than that of C. Find the present age of C.
- What is the mode of the given data? 5, 7, 9, 7, 3, 7, 5, 7, 8, 6, 7
- Two candidates contested an election.One of them got 64% of the votes and won by 434 votes.What was the total number of votes polled?
- If 6y² – 13y + 6 = 0, then find the product of the two roots of the equation.
- The average of five numbers is 87.8. The average of the first two numbers is 81.5 and the average of the last two numbers is 93.5. What is the third number...
- Aditya and Varun can do a work in 10 days and 15 days respectively. They started working together, but Aditya left the work 5 days before its completion. I...
- The ratio of the number of coins of 25 paise, 50 paise, Rs.2 and Rs.5 is 5 ∶ 4 ∶ 3 ∶ 1, respectively. If the total amount of the coins is Rs.285, then the ...
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)