The average of a set of numbers reduces from 14 to 11 when the number 35 is removed. How many numbers were in the original set?
2. Question | Chemistry
The simplest ratio of atoms in a compound is given by the:
3. Question | Physics
Which one of these statements is true for ALL electromagnetic waves?
4. Question | Biology
75 g of freshly dug soil was placed in an oven at 105 ℃ for 24 hours. It was allowed to cool, then reweighed. If the final mass of the dry soil was 66 g, what was the % water content of the original soil sample?
5. Question | Chemistry
When black copper oxide is heated with carbon, brown copper metal is produced, which means that compared to copper, carbon is the:
6. Question | Chemistry
The number of kilos in 1 metric tonne is:
7. Question | Principles Of Accounts
The balances listed below appear in a trader's trial balance. The item that is to be included in the Profit and Loss Account is
8. Question | Chemistry
The number of atoms in this formula, H2SO4, is:
9. Question | Social Studies
Which of the following may result if many people do what the young man in the picture is doing?
1. The rapid growth of cities 2. The growth of shanty towns and squatter settlements 3. The brain drain experienced by many developing countries 4. Inadequate housing, educational and health facilities in urban areas
10. Question | Principles Of Accounts
The ZAP Company hired you as a book-keeper. On April 3 you received an invoice along with goods from D. Kamin & Co. Ltd. for $600. Where should you record this transaction?
11. Question | Integrated Science
The main parts of the human circulatory system are:
12. Question | Chemistry
When metals react with acids they give a salt and:
13. Question | Biology
An enzyme which has an optimum pH of 3 will function best in the:
14. Question | Chemistry
If a reaction takes 50 seconds at 25 ℃, then at 50 ℃ the time for the reaction in seconds is likely to be about:
15. Question | Biology
Which of the following are examples of environmental variation in humans?
Ⅰ hair colour
Ⅱ height
Ⅲ intelligence
Ⅳ body mass
16. Question | Principles Of Accounts
Which of the following accounts should prepared as the final account for non-trading organization?
17. Question | Information Technology
The system used by mission control in Houston, Texas to monitor the operation of space exploration vehicles is an example of the __________ processing mode.
