Average (SSC)

Total Questions: 43

1. A park has an average number of 420 visitors on Sunday and 120 on other days. The average number of visitors per day in a month of 30 days beginning with Sunday, is: [SSC MTS 14/11/2024 (Morning)]

Correct Answer: (d) 170

2. Which of the following is true about average? [SSC MTS 16/10/2024 (Morning)]

Correct Answer: (c) The average of six consecutive odd integers is an even integer.

3. The average weight of a certain number of apples in a basket was 0.5 kg. If 10 apples with an average weight of 0.7 kg are removed from the basket and 5 apples with an average weight of 0.6 kg are added to the basket, then the average weight of the apples in the basket decreases by 0.1 kg. What was the initial number of apples in the basket? [SSC MTS 15/10/2024 (Afternoon)]

Correct Answer: (b) 20

4. The average weight of three friends Ram, Ramesh and Shyam is 76 kg. Somesh joins them and the average weight of the four friends becomes 74 kg. If Mohan, whose weight is 2 kg more than that of Somesh replaces Ramesh, the average weight of Ram, Shyam, Somesh and Mohan becomes 68 kg. Find the weight of Ramesh. [SSC MTS 08/10/2024 (Afternoon)]

Correct Answer: (b) 94 kg
Solution:

5. In the first 5 overs of a T-20 international cricket match, the run rate was only 5.6. What should be the run rate (approximately) in the remaining 15 overs to reach a target of 185 runs? [SSC MTS 30/09/2024 (Afternoon)]

Correct Answer: (a) 10.46

6. A stock portfolio consists of four stocks. Stock A represents 20% of the portfolio and has a return of 6%. Stock B represents 30% of the portfolio and has a return of 8%. Stock C represents 20% of the portfolio and has a return of 4%. Stock D represents the remaining 30% of the portfolio and has a negative-return of 5%. What is the average return of the portfolio? [SSC CGL 09/09/2024 (3rd Shift)]

Correct Answer: (a) 2.9%

7. In a class with a certain number of students, if one student weighing 30 kg is added, then the average weight of the class increases by 1 kg. If one more student weighing 30 kg is added, then the average weight of the class increases by 1.5 kg over the original average. What is the original average weight (in kg) of the class? [SSC CHSL 09/07/2024 (4th Shift)]

Correct Answer: (c) 27

8. Rajender is working as a delivery boy in a multinational company. The company is paying him ₹90 per delivery. In a fortnight comprising 15 consecutive working days, his average earnings per day was ₹540. If his average earnings of the first 7 days was ₹519 per day and that of the last 7 days was ₹546 per day, then at was his earning on the 8th day of the fortnight? [SSC CHSL 07/08/2023 (3rd Shift)]

Correct Answer: (d) ₹645
Solution:

9. The average weight of a group of 12 children is 66 kg. If 2 children, X and Y, replace A and B, the new average weight becomes 65 kg. The weight of A= weight of B and the weight of X = weight of Y. Another child, C, is included in the group, and the new average weight remains 65 kg. Weight of C= weight of X. Find the weight of A. [SSC CHSL 04/08/2023 (3rd Shift)]

Correct Answer: (c) 71 kg

10. Sudesh is the owner of a multipurpose shop. For a specific month, his profits are detailed below. [SSC CHSL 03/08/2023 (2nd Shift)]

CategoryProfit earned in
Groceries50,000
Cosmetics20,000
Ladies' dresses10,000

In order to estimate the expected profit for the next month, he assigns the weights of 6, 5 and 8 to the different categories in the same order. What will be the weighted average of his profits?

Correct Answer: (d) ₹25,263.16 (nearly)