Question
If the mean of five observations x, x-1, x-2, x-3, and x-4 is 20, then the mean of the first two observations is:
More Previous year papers Questions
- The product of two consecutive even numbers is 1088. What is the difference of the larger number and the square of the smaller number?
- A number is divided into two parts in the ratio of 5 : 6 respectively. The sum of 60 percent of first part and 50 percent of second part is 84. If both par...
- The ratio of two numbers is 7 : 11 and their LCM is 462. What is the difference between these two numbers?
- What will be the value after simplifying this continued fraction?
- If a/b = 0.7, find the value of (a – b / a + b) + 11/34.
- If a + b + c = 5 and ab + bc + ca = 7, then the value of a³ + b³ + c³ – 3abc is:
- A car is available for ₹ 4.98.200 cash or ₹ 60,000 cash down payment followed by three equal annual instalments. If the rate of interest charged is 16% p.a...
- A, B and C can do a piece of work in 20 days, 30 days and 60 days respectively. If A works daily and on every third day B and C also work with A, then in h...
- Question 9
- If the radius of a circle is decreased by 15%. by what percent area of the circle decreases?
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
