Adding mineral water to anhydrous copper sulphate turns it:

A current of 2 mA is flowing through a wire. How long will it take for 6 coulombs of charge to pass?

0.0039 × 10^-2 in scientific notation is

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?

After a 5% discount, an article is sold for $475. The price before the discount was

A cell in an embryo divides by mitosis three times in succession. How many cells will be formed from these divisions?

The halogen, bromine, at room temperature is a:

All of the following items are widely used input devices EXCEPT the __________.

Herbicides are used to destroy:

The imprest systems saves time in the posting of expenses to the nominal accounts because

Which one of the following is NOT an inherited disorder?

How many lines of symmetry does this shape have?

The expression a² + b² is equivalent to

Instructions: Select the option A, B, C or D that BEST describe the sentence.

Traffic bottlenecks must be ironed out if we are to prevent giant traffic congestion.

Choose the ONE underlined part A, B or C that is inappropriate. If the sentence is acceptable as it stands, choose D.

The biased reporter is concerned not so much with the truth of what he writes, as with its credibility.

Instructions: Choose the one NEAREST in MEANING to the original sentence.

If students' efforts are rewarded they would be encouraged to work harder.

A force of 100 N starts to act on a body of mass 20 kg which is initially at rest. After 10 s its velocity will be:

Which of the following are natural barriers to infection?
Ⅰ tears
Ⅱ skin
Ⅲ stomach acid
Ⅳ mucus

If ƒ : x → x² + 1, then ƒ(-3) is

A man bought a shirt at a sale. He saves $30 on the normal price when he paid $120 for the shirt. What was the percentage discount on the shirt?