Questions in math

7. If there are 6 diesel cars sold to every 3 petrol cars, is it the same proportion as 2 diesel cars to every 1 petrol car?

A) No

B) Yes

8. You have a Rs10 top-up card for your mobile phone. If you have used Rs. 6 of your credit, what is the ratio between what you have spent and what you have left in credit?

A) 10:6

B) 3:2

C) 4:6

9. Use < or > or =

      3             0.2            

     10

10. Change the following fraction to a fraction with the least common denominator

         

11. Divide and express as a decimal

a)    3 divided by 8     b)  278138  ÷  15       c)  654 ÷ 56

12. The weights of pieces of wood are 2 kg ,  1028 g , 0.3 kg, 5105g. List them from the lightest to heaviest              5            7

13. ADD:

1a.    1  0  1  5  9 9  3  0  5  6  5 8  3  9  2  0 +   2  6  6  7  7  3

2 b.    1  7  9  5  9 1  7  4  8  1  2 6  9  4  1  4 +   3  9  3  0  4  9

2 c.    3  3  5  0  2 1  5  9  6  1  2 2  2  6  5  2 +   4  3  0  5  7  0

14. Subtract:

a.    7  5  9  5  4  1  5 −   1  3  7  7  8  5  7   2. Using the image below, fill in one angle for each box of the chart. acute obtuse right 1. 3. Complete the table in order to classify the triangles by sides and by angles. Sides Equilateral triangle Scalene triangle Isosceles triangle

b.    8  1  7  3  2  6  1 −      9  5  6  4  6  0

c.    6  4  0  6  3  3  8 −   3  3  8  1  9  2  4