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### Question 1

A, B and C are three numbers. The average of A, B and C is 25. The average of A and B is 14, and the average of B and C is 49, what is the value of number B?

### Question 2

In a cricket match of 50 overs a team has to chase a target of 425 runs. During the first 10 overs it has scored at the rate of 2.5 runs per over. What is the required run rate for the remaining 40 overs?

### Question 3

In a cricket match of 50 overs a team has to chase a target of 594 runs. During the first 10 overs it has scored at the rate of 3.4 runs per over. What is the required run rate for the remaining 40 overs?

### Question 4

Each of the 9 athletes of a Olympics has a timings 88 seconds. If a new athlete with a timings 45 seconds more than the average of all 10 athletes is added, what is the sum total of the values of all 10 athletes?

**A**

930 seconds.

**B**

931 seconds.

**C**

929 seconds.

**D**

928 seconds.

**Soln.**

**Ans: a**

Let the average of all 10 athletes be x, then the required total is T = 10x. By averages, $x = {9 × 88 + (x + 45)}/10$ which is same as $x × 10 = {9 × 88 + (x + 45)}$, which is same as $T = {9 × 88 + (T/10 + 45)}$, solving for T we get 930 seconds.

### Question 5

Two of the 36 numbers are 28 and 58, If these two are excluded the average of the remaining 34 numbers is 1 less than the average of all the 36 numbers. What is the average of all the 36 numbers?

### More Chapters | See All...

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This Blog Post/Article "Averages Quiz Set 019" by Parveen (Hoven) is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

Updated on 2020-02-07. Published on: 2016-04-22