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2) Which material allow light to pass through

6) Food is broken down in (and absorbed into the blood)

5) {Fish, Millipede, Lizard}, {Goat, Snail, worm} are grouped by

4) Two should watch out for

3) Food should be eaten?

1) What type of energy causes ice to melt

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Wednesday, August 8, 2007

Soln (-1) to Qstn (-1)

3 Art Books : 3 Maths : 2 Science.

100 More Maths than Sc Books

a) How many less art books than science ones?

1 unit = 100 books as 300 maths 100 more than 200 Sc

3 unit arts also is 1 more than 2 unit sc books

1 unit = 100 books so 100 more art books than sc.



b) What is the total no. of books?

c) If 1000 more added. ratio becomes 3:3:4, how many new Maths to ea Science book?

3+3+4 = 10 units =1000 books
1 unit = 100 books
3 unit new maths books to 4 sc
3000 maths books to 4000 new sc
300 existing maths to 200 eisting sc
3300 total maths to 4200 total sc

ratio 11 : 14
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