Math 10 Chapter 3 - Part C


1. The graph of direct proportion between x and y is a straight line which passes through origin.


2. If 6:2x::4:2x-4 then x = 5


3. The length and width of a rectangles are 65m and 39m respectively. The ration between the length and width is 5:3.


4. A ratio has no unit


5. The value of a ratio changes if its numerator and denominator and both multiplied and divided by the same number.


6. The order of elements in a ratio is not important i.e. a:b and b:a in the same.


7. If b2 = ac, then a, b and c are in continued proportion.


8. If a:b = c:d then b:a = d:c


9. The length and width of a rectangle is 120cm and 80cm respectively. The ratio between length and width is




10. A ratio has units in




11. If 5:3x::2:2x-4 then x =




12. Volume and temperature of an object are




13. If v a 1/p, then




14. If 3:5::5:x then




15. If a/b = c/d then the components property is




16. The third proportional of x2 and y is




17. Circumference of a circle varies directly as its radius if radius of a circle is 3m then circumference is




18. y a x , when y = 4, x = 2, if x = 10 then y=




19. The graphic representation between two quantities is a straight line passing through origin the relation between two quantities is




20. z a 1/y when z = 2, y = 3, what will be z , when y = 2







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