The average of 30 numbers is 40 and that of other 40 numbers is 30. The average

Sail E0 Webinar

Question

The average of 30 numbers is 40 and that of other 40 numbers is 30. The average of all the numbers is :

Options:

A . $$34\frac{2}{7}$$

B . 35

C . 34

D . 34.5

Answer: Option A

Submit Your Solution Below and Earn Points !

Next Question

Submit Solution

More Questions on This Topic :

Question 1. A man purchased 7 bags of rice at the rate of Rs. 800 each, 8 bags of rice at Rs. 1000 each and 5 bags of rice at the ra....is the average cost of one bag of rice ?

Question 2. The average age of 9 students and their teacher is 16 years. The average age of the first four students is 19 years and ....last five is 10 years. The teacher's age is -

Question 3. Total weekly emoluments of the workers of a factory is Rs. 1534. Average weekly emolument of a worker is Rs. 118. The nu....118. The number of workers in the factory is :

Question 4. B was born when A was 4 years 7 months old and C was born when B was 3 years 4 months old. When C was 5 years 2 months o....years 2 months old, then their average age was :

Question 5. The batting average for 40 innings of a cricket player is 50 runs. His highest score exceeds his lowest score by 172 run....48 runs. The highest score of the player is -

Question 6. The average of some natural numbers is 15. If 30 is added to the first number and 5 is subtracted from the last number t....becomes 17.5 then the number of natural numbers is -

Question 7. A student finds the average of ten 2 digits numbers. While copying numbers, by mistake, he writes in number with its dig....of the number, in which he made mistake is ?

Question 8. The average marks obtained by 22 candidate in an examination are 45. The average marks of the first 10 candidates is 55 ....number of marks obtained by the eleventh candidate is ?

Question 9. Average of first five odd multiples of 3 is -....

Question 10. The average of 50 numbers is 38. If two numbers, namely 45 and 55 are discarded, the average of the remaining numbers is....are discarded, the average of the remaining numbers is ?

Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY 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

Chapter 3.1 : Overview of Finance & Accounts Department 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 overview 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