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1. Find the volume of the swimming pool with length 12 m, breadth 5 m and depth of 6 m at one end and 8 m at another end.

240 M

320 M

360 M

420 M

2. A, B and C can finish a piece of work in 10 days. A takes 3 times as much time as B & C together. B takes 4 times as much time as A & C together. In how many days can A finish the work alone?

30 days

40 days

50 days

60 days

3. If sin a + sin b + sin c = 3, then find the value of cos a + cos b + cos c.

0

1

2

3

4. Find the value of cos 1 cos2 cos3........ cos 178 cos179 is

√2

5. A : B = 2 : 3, B : C = 1 : 3, C ; D = 3:4. Find A : B : C : D.

2: 3: 9 : 12

2: 3: 6: 9

2: 3: 6: 12

2: 3: 9 : 16