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- 11. In a class of 25 students in an examination in maths 3 students scored 95 marks each, 3 get zero each and the average of the rest was 45. What is the average of the whole class?
Answer: Option B
Explanation:Total marks obtained by a class of 25 students
= 3*95 + 3*0 + 19 * 45 =1140
Average marks of whole class = 1140/25 =45.6
- 12. In a class of 25 students in an examination in maths 3 students scored 95 marks each, 3 get zero each and the average of the rest was 45. What is the average of the whole class?
Answer: Option B
Explanation:Total marks obtained by a class of 25 students
= 3*95 + 3*0 + 19 * 45 =1140
Average marks of whole class = 1140/25 =45.6
- 13. A man's average daily expenditure is Rs 12 during March, Rs. 14 during April and Rs. 17 during May. Find the Average daily expenditure for the three months
Answer: Option C
Explanation:Average daily expenditure
= Total expenditure / no. of days
= 31*12 + 30*14 + 31*17/92
= 14.33
- 14. In the first 10 overs of a cricket game, the run rate was only 3.2. What should be the run rate in the remaining 40 overs to reach the target of 282 runs?
Answer: Option A
Explanation:Runs scored in the first 10 overs = 10 × 3.2 = 32
Total runs = 282
Remaining runs to be scored = 282 - 32 = 250
Remaining overs = 40
Run rate needed = 250/40 = 6.25
- 15. A grocer has a sale of Rs. 6435, Rs. 6927, Rs. 6855, Rs. 7230 and Rs. 6562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs. 6500?
Answer: Option B
Explanation:Let the sale in the sixth month =x
Then (6435+6927+6855+7230+6562+x)/6 = 6500
=> 6435 + 6927 + 6855 + 7230 + 6562 + x = 6 × 6500
=> 34009 + x = 39000
=> x=39000 − 34009 = 4991
To whom this Averages Questions and Answers section is beneficial?
Students can learn and improve on their skillset for using Verbal Ability effectively and can also prepare for competitive examinations like...
- All I.B.P.S and Public Sector Bank Competitive Exam
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