3 Ratio, proportion and Percentage 16. If (2x+3y)<< (x+5y) or x y, then which of the follwong is true?
5k-3
5k-3
c. X= y
2-k
.2-k
b. x:y = (5k-3):2-k
d. all are correct
1
17. Y is inversely proportional to cube root of x. what x= =
y
y = 2. Find the
C. 1
4
2
constant of proportional.
1
a.
b.
b.
d. 4
18. If 95% of a is equal to b, then which of the following is ture?
a. 95 a=b b. a<b
c. a = b
d. a>b
19. which one of the following is not equal to the rest?
a. 2% of 150
b.-% of 400
b
c. 5% of 60 d.6% of 50
pe
3
4