Two separate forces are acting on a bar to cause it to rotate clockwise. One force is 20 N, at a distance of 3 m out from the pivot; the second force, 2 m further out, is 10 N. Their combined moment is:

What is the value of u in the sequence 2 , 7 , 14 , 23 , 34 , u ?

Simple sugars are called monosaccharides because:

The common name for silicon dioxide is:

In electrolysing a solution of copper sulphate using copper electrodes, the anode:

Many leaves are adapted to photosynthesise effectively by having:

The treaty which led to the establishment of CARICOM is an example of a

Which of the following documents may be used to inform a customer of an undercharge on an invoice?

If the relative atomic mass (RAM) = 1 for hydrogen and 16 for oxygen, the formula mass for H₂O₂ is:

During adolescence, boys:

Which of the following is based on exploiting non-renewable natural resources?

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?

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

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

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.

In an endothermic reaction:

Atherosclerosis is a process in which:

A ballpoint pen mark can be removed using:

Dividing the mass in grams by the mass of 1 mole in grams gives:

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?