Instructions

For the following questions answer them individually

Question 11

Find the volume of a cylinder whose radius is one-third the radius of a circle of area 1386 $$cm^2$$, and height is twice its radius.

Question 12

In a certain code language, 'kew xas huma deko' means 'she is eating apples'; 'kew tepo qua' means 'she sells toys' and 'sul lim deko' means 'I like apples'. Which word in that language means 'she and apples'?

Question 14

$$\frac{2}{5}$$ of a set of notebooks are sold on the first day. $$\frac{3}{4}$$ of the remaining got sold on the second day. If 75 notebooks remain still, how many notebooks were kept for sale?

Question 16

The sources of energy which have accumulated in nature over a very long period of time and which cannot be replaced quickly when exhausted are called-

Question 17

Scurvy, the symptoms of which include bleeding gums, may be prevented by adding _________to the diet.