Average (SSC) (Part-4)

Total Questions: 50

1. At a Yoga center, 60% of the members are men and 40% of the members are women. If the average age of the men is 55 years and the average age of the women is 45 years, then what is the average age (in years) of all the members? [SSC CHSL Tier II 02/11/2023]

Correct Answer: (a) 51
Solution:

2. The average weight of 40 students of a school is 52 kg. If the weight of the teacher is included, the average weight rises by 500 grams. Find the weight (in kg) of the teacher. [SSC CHSL Tier II 02/11/2023]

Correct Answer: (a) 72.5
Solution:

3. The average salary of all 40 employees, including 35 non-teaching staff members, of a school is ₹4,000. If the average salary of the non-teaching staff members is ₹4,200, find the average salary of the remaining staff of the school. [SSC CHSL Tier II 10/01/2024]

Correct Answer: (b) ₹2,600
Solution:

4. Find the average of the prime numbers lying between 69 and 92. [SSC CHSL Tier II 10/01/2024]

Correct Answer: (a) 79
Solution:

5. The average weight of the first thirteen persons among fourteen persons is 78 kg. The weight of the 14th person is 39 kg more than the average weight of all the fourteen persons. Find the weight of the 14th person. [SSC CGL Tier II (26/10/2023)]

Correct Answer: (d) 120 kg
Solution:

6. The average weight of 15 people increases by 3.2 kg when a new person comes in place of one of them weighing 52 kg. The weight of the new person is: [SSC CPO 03/10/2023 (3rd Shift)]

Correct Answer: (b) 100 kg
Solution:

7. The average of 45 numbers was found to be 39. Later on, it was detected that a number 65 was misread as 56. Find the correct average of the given numbers. [SSC CPO 05/10/2023 (2nd Shift)]

Correct Answer: (d) 39.2
Solution:

8. Rakesh runs a coaching institute having 50 faculty members. The average monthly salary of 35 faculty members is ₹37,500. What will be the average monthly salary (in ₹) of the other 15 faculty members, if the average monthly salary of all the 50 faculty members is found to be ₹30,000? [SSC CPO 05/10/2023 (3rd Shift)]

Correct Answer: (c) 12,500
Solution:

9. In a class of 37 students, there are 22 girls. The average weight of these girls is 46 kg and the average weight of the whole class is 50 kg. What is the average weight (in kg) of the boys in that class? (Rounded off to 2 decimal places) [SSC MTS 01/09/2023 (1st Shift)]

Correct Answer: (b) 55.87
Solution:

10. Student gets 62, 58, 72, 58 and 83 marks in Sanskrit, English, Mathematics, Social and Computer Science, respectively. His average marks in Mathematics, Social and Computer are_________more than the average marks in Sanskrit, English and Mathemetics. [SSC MTS 01/09/2023 (2nd Shift)]

Correct Answer: (d) 7
Solution: