In a school of 910 pupils, 3/7 are boys and 2/5 of the boys wear glasses. How many
boys wear glasses?
3. Question | Mathematics
The exterior angles and the interior angles of a
polygon are equal. How many sides does the
polygon have?
4. Question | Principles Of Accounts
Which of the following entries should be used to post Sales return?
5. Question | Physics
In Fleming's Left Hand Rule describing the motor effect, the directions are:
6. Question | Chemistry
Raising the temperature of a reversible reaction always encourages the:
7. Question | Biology
Which one of the following is the best way to measure growth of an organism?
8. Question | Chemistry
When two solutions are mixed and give a solid product we call it:
9. Question | Biology
Which of the following are advantages of asexual reproduction in a flowering plant?
Ⅰ Large numbers of offspring are rapidly produced.
Ⅱ Favourable genotypes are maintained from one generation to the next.
Ⅲ The plant does not need to rely on wind or insects for pollination.
Ⅳ Several identical individuals grow close together.
10. Question | Biology
A student observed a plant cell through a microscope and made an accurate drawing of the cell.
If her drawing was 80 mm in diameter and had a magnification of ×2000, what was the real
diameter of the cell?
11. Question | Chemistry
A salt that contains water of crystallisation is:
12. Question | Chemistry
The group of elements whose molecules and atoms are the same is called:
13. Question | Integrated Science
Water reabsorption is controlled by:
14. Question | Mathematics
How much simple interest is due on a loan
of $120 for two years if the annual rate of
interest is 5 1/2 per cent?
15. Question | Mathematics
This question refers to the triangle PQR in
which angle QPR = 90°, PR = 12 cm and
PQ = 5 cm.
The length of QR, in cm, is
16. Question | Biology
An enzyme which has an optimum pH of 3 will function best in the:
17. Question | Mathematics
Profits in the partnership of Bess, Bill and Bob are shared in the ratio 1 : 2 : 3. If Bill's share of the profits is $300, what is Bob's share?
18. Question | Principles Of Accounts
When a trial balance does NOT agree, the difference is placed in a
19. Question | Principles Of Accounts
Which of the following is NOT recorded in the General Journal?
20. Question | Physics
Which one of the following would NOT give rise to a systematic error in an experiment?