The average marks of 32 boys of section A of class X is 60 whereas the average m

Question

The average marks of 32 boys of section A of class X is 60 whereas the average marks of 40 boys of section B of class X is 33. The average marks for both the sections combined together is

Options:

A . 46$1/2$

B . 45$1/2$

C . 45

D . 44

Answer: Option C
Answer: (c)Required average${32×60+33×40}/72$${1920+1320}/72$ = $3240/72$ = 45

Was this answer helpful ?

Next Question

Submit Comment/FeedBack

More Questions on This Topic :

Question 1. A student was asked to find the arithmetic mean of the following 12 numbers : 3, 11, 7, 9, 15, 13, 8, 19, 17, 21, 14 and....to be 12. The value of x will be :

Question 2. Three Science classes A, B and C take a Life Science test. The average score of class A is 83. The average score of clas....the average score of classes A, B and C is

Question 3. The average of 100 observations was calculated as 35. It was found later, that one of the observations was misread as 83....as 83 instead of 53. The correct average is :

Question 4. A library has an average number of 510 visitors on Sunday and 240 on other days. The average number of visitors per day ....a month of 30 days beginning with Sunday is :

Question 5. Out of 20 boys, 6 are each of 1 m 15 cm height, 8 are of 1 m 10 cm and rest of 1 m 12 cm. The average height of all of t....12 cm. The average height of all of them is

Question 6. The average of three numbers is 28, the first number is half of the second, the third number is twice the second, then t....number is twice the second, then the third number is

Question 7. Among three numbers, the first is twice the second and thrice the third. If the average of the three numbers is 49.5, th....the difference between the first and the third number is

Question 8. Of the three numbers, the first is twice the second and the second is 3 times the third. If their average is 100, the la....is 100, the largest of the three numbers is :

Question 9. Of the three numbers, the first is twice the second and the second is thrice the third. If the average of the three numb....the three numbers is 10, the largest number is :

Question 10. Of the three numbers whose average is 60, the first is one fourth of the sum of the others. The first number 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

Menu

Popular Courses

Search

Submit Comment/FeedBack

More Questions on This Topic :

Latest Videos

Latest Test Papers