The average of 8 numbers is 21.If each of the numbers is multiplied by 8,the average of the new set of numbers is :1). 212). 293). 84). 168
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1. The number of members in a family is 7. The eldest among them is 90 years old, and the youngest one is 10 years old. The average age of remaining members is 22 years. If the eldest member dies after 5 years, what will be the average age of the family after his death(in years)?
2. In a hotel, the rooms are numbered from 101 to 130 on the first floor, 221 to 260 on the second floor and 306 to 345 on the third floor. In the month of June this year, the room occupancy was 60% on the first floor, 40% on the second floor and 75% on the third floor. If it is also known that the room charges are Rs. 200, Rs. 100 and Rs. 150 on each of the floors, then find the average income per room (in Rs.) for the month of June.
3. Average marks obtained in English by 45 students in ‘A’ division are 75 and the average marks obtained by 40 students in ‘B’ division are 78. What are the overall average marks obtained in English by the students in both the divisions (rounded off to two digits of decimal)?
4. The average revenues of 13 consecutive years of a company is Rs 78 lakhs. If the average of first 7 years is Rs 73 lakhs and that of last 7 years is Rs 85 lakhs, what is the revenue for the 7th year?
5. In a class of 50 students, there are 22 girls who scored an average of 35 marks in the test. What is the average marks of the boys, if the class average is 42 marks?
6. Thrice the average of four consecutive odd numbers is 288. The sum of the smallest and the largest number is?
7. If the average price of five different metals is taken, it is Rs. 432 per gram. If the costliest metal is not included, the average price drops by Rs. 132. What will be the price of 20 grams of costliest metal ? (in Rs.)
8. The average expenditure of Raman for 5 days is Rs. 130. If his expenditure for the first 4 days is Rs. 100, Rs. 125, Rs. 85 and Rs. 160 respectively, then what is his expenditure (in Rs) of the 5th day?
9. The average weight of a group of 6 friends is 64.5 kg. In a year, one of them lost some of his weight, such that his current weight is 69 kg. If the average weight of the remaining group remained same to be 60.6 kg, how much weight did he lose in 1 year?
10. The average of 1,3,5,7,9,11....to 25 terms is
History
Geography
Political Science
Chemistry
Biology
Physics
Enviornmental Science
Economics
Books & Authors
Computer Basics
Financial Awareness
International Organisations
Famous Personalities
Spoting Errors
Sentence Improvement
Fill In the Blanks
Antonyms
Synonyms
Spellings
Idioms and Phrases
Voice (Active/ Passive)
Naration (Direct/ Indirect)
Reading Comprehension
Cloze Test
Mensuration
Simplification
Profit & Loss
Trigonometry
Percentage
Ratio & Proportion
Time & Work
Average
Simple & Compound Interest
Number System
Discount
Time & Distance
Surds and Indices
Mixture & Alligation
LCM & HCF
Co-Ordinate Geometry
Pipe & Cistern
Probability
Boat & Streams
Problem on Age
Permutation & Combination
Problem on Trains