the average of 30 numbers is 15 the average of the first 18 numbers is

×

My Examsbook
Saved Articles
Login
Question Bank
- Question Bank
- Question Bank
- Current Affairs
  - Current Affairs
  - Current Affairs
- General Knowledge
  - General Knowledge
  - General Knowledge
- Aptitude Questions
  - Aptitude Questions
  - Aptitude Questions
- Reasoning Ability
  - Reasoning Ability
  - Reasoning Ability
- English Comprehensive
  - English Comprehensive
  - English Comprehensive
- General Awareness
  - General Awareness
  - General Awareness
- Quantitative Aptitude
  - Quantitative Aptitude
  - Quantitative Aptitude
- Computer Questions
  - Computer Questions
  - Computer Questions
Test Series NEW
GK
- GK
- GK
- Current GK
  - Current GK
  - Current GK
- Indian History
  - Indian History
  - Indian History
- World History
  - World History
  - World History
- Indian Geography
  - Indian Geography
  - Indian Geography
- World Geography
  - World Geography
  - World Geography
- Indian Economy
  - Indian Economy
  - Indian Economy
- Indian Polity
  - Indian Polity
  - Indian Polity
- Indian Constitution
  - Indian Constitution
  - Indian Constitution
- Indian Art and Culture
  - Indian Art and Culture
  - Indian Art and Culture
- General Science
  - General Science
  - General Science
- Sports
  - Sports
  - Sports
- Inventions
  - Inventions
  - Inventions
- Indian Railway
  - Indian Railway
  - Indian Railway
- Basic GK
  - Basic GK
  - Basic GK
- Rajasthan GK
  - Rajasthan GK
  - Rajasthan GK
Reasoning
- Reasoning
- Reasoning
- Non Verbal Reasoning
  - Non Verbal Reasoning
  - Non Verbal Reasoning
- Logical Reasoning
  - Logical Reasoning
  - Logical Reasoning
- Verbal Reasoning
  - Verbal Reasoning
  - Verbal Reasoning
Maths
- Maths
- Maths
- Quantitative Abilities
  - Quantitative Abilities
  - Quantitative Abilities
- Aptitude
  - Aptitude
  - Aptitude
English
Practice
- Practice
- Practice
- Arithmetic Ability
  - Arithmetic Ability
  - Arithmetic Ability
- Quantitative Aptitude
  - Quantitative Aptitude
  - Quantitative Aptitude
- Bank Exams Questions
  - Bank Exams Questions
  - Bank Exams Questions
- Computer awareness questions
  - Computer awareness questions
  - Computer awareness questions
- Verbal Reasoning
  - Verbal Reasoning
  - Verbal Reasoning
- General English
  - General English
  - General English
Exams
- Exams
- Exams NEW
- SSC
- Bank Exams
  - Bank Exams
  - Bank Exams
  - Computer Awareness
  - Banking Questions
  - SBI
  - IBPS PO
  - IBPS Clerk
  - IBPS RRB
  - SBI PO
  - SBI Clerk
  - SBI SCO
- RRB(Railway)
  - RRB(Railway)
  - RRB(Railway)
  - RRB Group D
  - RRB (NTPC)
  - RRB JE
- Rajasthan Exams
  - Rajasthan Exams
  - Rajasthan Exams
  - LDC
  - Patwari
  - Gram Sevak
  - Rajasthan Police
  - Rajasthan Home Guard
  - CET
  - CTET
- Defence Exam
  - Defence Exam
  - Defence Exam
Logout

Join Examsbook

687 0

Q:
The average of 30 numbers is 15. The average of the first 18 numbers is 10 and that of the next 11 numbers is 20. The last number is

1
56
2
52
3
60
4
50

Show AnswerHide Answer
Workspace

Answer : 4. "50"
Explanation :

Previous Next

Maths Average Questions

Q:
The average of 30 numbers is 15. The average of the first 18 numbers is 10 and that of the next 11 numbers is 20. The last number is

Answer : 4. "50"
Explanation :

Taxonomies

Are you sure

Report Error

the-average-of-30-numbers-is-15-the-average-of-the-first-18-numbers-is

Q: The average of 30 numbers is 15. The average of the first 18 numbers is 10 and that of the next 11 numbers is 20. The last number is

Answer : 4. "50" Explanation :

Similar Questions

Q. If Suresh borrows Rs. 36000 from Mahesh at rate of interest 6% S.I, at the end of four years how much interest Suresh has to pay along with principal amount?

Q. A train moving at speed of 90 km/hr crosses a pole in 7 seconds. Find the length of the train.

Q. A clock only with only dots marking 3, 6, 9 and 12 positions has been kept upside down in front of mirror. A person reads the time in the reflection of the clock as 4.50. What is the actual time?

Taxonomies

Are you sure

Report Error

the-average-of-30-numbers-is-15-the-average-of-the-first-18-numbers-is

Q:
The average of 30 numbers is 15. The average of the first 18 numbers is 10 and that of the next 11 numbers is 20. The last number is

Answer : 4. "50"
Explanation :

Q.
If Suresh borrows Rs. 36000 from Mahesh at rate of interest 6% S.I, at the end of four years how much interest Suresh has to pay along with principal amount?

Q.
A train moving at speed of 90 km/hr crosses a pole in 7 seconds. Find the length of the train.

Q.
A clock only with only dots marking 3, 6, 9 and 12 positions has been kept upside down in front of mirror. A person reads the time in the reflection of the clock as 4.50. What is the actual time?