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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 31,141

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#4770. The average of four consecutive odd numbers is 6. Find the smallest of these numbers.

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 31,141

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#4771. Ralph obtained 36, 25, 34, and 25 marks in history, geography, biology, and physics. What are his average marks?

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 31,141

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#4772. The angles of a triangle are in Arithmetic Progression and the greatest angle is double the least. What is the ratio of the angles in the radian measure?

It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 31,141

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#4773. The average of 30 numbers is 40 and that of the other 40 numbers is 30. Find the average of all the numbers.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 31,141

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#4774. The average age of 50 students and the principal is 25 years. When the principal's age is excluded, the average age decreases by 1 year. What is the age (in years) of the principal?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 31,141

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#4775. The age of two toddlers Ted and Wilson is in the ratio 1:3. After 5 years, the ratio of their ages will become 3:4. Find the average of their ages after 15 years.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
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#4776. The average of nine numbers is 50. The average of the first five numbers is 54 and that of last three numbers is 52. Find the sixth number.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 31,141

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#4777. If we take four numbers, the average of the first three is 16 and that of the last is 15. If the first number is 19, find the last number.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 31,141

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#4778. The average of five prime numbers is 6.If the first four of them are one-digit prime numbers, find the value of the 5th prime number.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
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#4779. Find the average of the first 10 prime numbers.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
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#4780. If a, b, c, d, and e are five consecutive even numbers, find their average in terms of a.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
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#4781. Find the average of all the numbers between 9 and 31 which are divisible by 5.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 31,141

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#4782. The average of 9 integers is found to be 11. But after calculation, it was detected, by mistake, the integer 23 was copied as 32, while calculating the average. After the correction is made, find the new average.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 31,141

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#4783. If the average of five consecutive even numbers is 24, find the largest of these numbers.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
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#4784. The average of five consecutive even numbers is 24. Find the difference between the largest and the smallest number.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 31,141

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#4785.A zoo has an average of 510 visitors on Sundays and 240 on other days. Find the average number of visitors per day in a month of 30 days beginning with a Saturday.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 31,141

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#4786. The average of 5 quantities is 6. The average of three of them is 8. What is the average of the remaining two numbers?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 31,141

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#4787. The average of temperatures at noon time from Monday to Friday is 50° C; the lowest one is 45° C. What is the possible maximum of the temperature (in °C)?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 31,141

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#4788. Find the average of all odd numbers between 20 and 30.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 31,141

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#4789. The average age of three boys is 16 years. If their ages are in the ratio 4:5:7, what is the age of the eldest boy?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
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#4790. Find the average of first 20 multiples of 4.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 31,141

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#4791. If the sum of three consecutive even numbers is 36 more than the average of these numbers, find the largest of these numbers.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 31,141

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#4792. Four years ago, the average of A, B, and C was 23 years and that of B, and C, three years ago was 24 years. Find A's present age.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 31,141

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#4793. The average weight of 35 students in a school is 40 kilograms. If 5 students of an average weight 100 kilograms left the school, find the new average of remaining students.

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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**ganesh****Administrator**- Registered: 2005-06-28
- Posts: 31,141

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#4794. When a student weighing 46 kilograms left a class, the average weight of the remaining 59 students increased by 300 grams. What is the average weight of the remaining 59 students?

Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.

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