Three lights flash at intervals of 4, 6 and 10
seconds respectively. They are started
together. How soon after will they next flash
together again?
2. Question | Mathematics
If x = 32 × 23, then x4 =
3. Question | Mathematics
Which of the following is a prime number?
4. Question | Social Studies
In which of the following countries is proportional representation practised?
5. Question | Physics
The units of specific latent heat are:
6. Question | Chemistry
The voltages from the electrochemical series are -2.92 for potassium and +0.34 for copper, which shows that:
7. Question | Mathematics
The diagram above shows the graphs of
3x - y = 1 and 5x + 2y = 20 .
Which ordered pair (x, y) satisfies both
equations?
8. Question | Mathematics
Which of the following sets has an infinite
number of members?
9. Question | Integrated Science
The point where two neurones connect is called:
10. Question | Social Studies
THE ITEM refers to the following illustration.
The pattern where many persons make the same decision as the young man in the picture is refered to as
11. Question | Chemistry
The type of bonding that involves loss or gain of electrons is called:
12. Question | Mathematics
$x is divided among three boys, Ryan,
Keith and Andrew, in the ratio 2 : 3 : 7,
respectively.
If Andrew gets $15 more than Keith,
what is the value of x ?
13. Question | Chemistry
All of these are properties of carbon monoxide EXCEPT for:
14. Question | Chemistry
The halogens are found in:
15. Question | Chemistry
A plastic that softens every time it is heated is said to be:
16. Question | Integrated Science
The density of pure water is:
17. Question | Biology
Most plant and animal cells contain:
18. Question | Biology
Seeds are dispersed from the parent plant:
19. Question | Integrated Science
We lose water mainly in:
20. Question | Biology
Vaccination causes a person′s immune system to produce:
