The average monthly salary of 19 members of a group is Rs. 16000. If one more me

Check All Courses

Question

The average monthly salary of 19 members of a group is Rs. 16000. If one more member whose monthly salary is Rs. 20000 joins the group, then the average salary of the group is

Options:

A . Rs. 16250

B . Rs. 18000

C . Rs. 16200

D . Rs. 18250

Answer: Option C
Answer: (c)Required average =Rs. $({16000 ×19+20000}/20)$=Rs.$({304000+20000}/20)$=Rs. $(324000/20)$=Rs.16200ORDifference = Rs. (20000 – 16000) = Rs. 4000 ∴ Increase in average = $4000/20$ = Rs. 200∴ Required average = Rs. (16000 + 200) = Rs. 16200

Was this answer helpful ?

Next Question

Submit Comment/FeedBack

More Questions on This Topic :

Question 1. The average monthly expenditure of a family for the first four months is Rs.2570, for the next three months Rs.2490 and ....average monthly income of the family during the year is

Question 2. Average income of ‘A’ and ‘B’ is Rs.200 and average income of ‘C’ and ‘D’ is Rs.250. The average income ....The average income of A, B, C and D is

Question 3. A man spends Rs.1800 monthly on an average for the first four months and Rs.2000 monthly for the next eight months and s....and saves Rs.5600 a year. His average monthly income is

Question 4. The average expenditure of a man for the first five months is Rs.1200 and for the next seven months is Rs.1300. If he sa....Rs.2900 in that year, his monthly average income is :

Question 5. The average weight of the 8 oarsmen in boat is increased by 1$1/2$ kg when one of the crew who weighs 60kg is replaced b....man. The weight of the new man (in kg) is

Question 6. The average of marks of 14 student was calculated as 71. But it was later found that the marks of one student had been w....as 74 instead of 32. The correct average is :

Question 7. The mean of 100 items was 46. Later on it was discovered that an item 16 was misread as 61 and another item 43 was misre....and not 100. Then what is the correct mean ?

Question 8. The mean of 50 numbers is 30. Later it was discovered that two entries were wrongly entered as 82 and 13 instead of 28 a....13 instead of 28 and 31. Find the correct mean.

Question 9. The average of 100 items was found to be 30. If at the time of calculation, two items were wrongly taken as 32 and 12 in....of 23 and 11, then the correct average is :

Question 10. While finding the average of 10 given numbers, a student, by mistake, wrote 64 in place of a number 46 and got his corre....50. The correct average of the given numbers is :

Latest Videos

Chapter 1 - GLOBAL STEEL SCENARIO & INDI Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)

Direction Sense Test Part 1 Reasoning (Hindi)

Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE

Cube & Cuboid Part 1 Reasoning (Hindi)

Data Interpretation (DI) Basic Concept Reasoning (Hindi)

Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)

Sail E0 free webinar Webinars

Real Numbers Part 7 Class 10 Maths

Real Numbers Part 1 Class 10 Maths

Polynomials Part 1 Class 10 Maths

Latest Test Papers

Chapter 3.1 : Overview of Finance & Acco Chapter 3 : Finance & Accounts SAIL E0 - GFM 2024

Chapter 2.1 : Overview Chapter 2 : Materials Management SAIL E0 - GFM 2024

Chapter 1.1 : Personnel Functions- An ov Chapter 1 : Personnel Management SAIL E0 - GFM 2024

GPOE / GPA Combined 1 Free CBT Mock Test SAIL E0 2024

CBT Mixed Test 1 GPOE/GPA SAIL E0 2024