type 1 basic concepts of ratio & proportion Practice Questions Answers Test with Solutions & More Shortcuts

Question : 6 [SSC CGL Prelim 2007]

If a : b = c : d, then ${ma+ nc}/{mb +nd}$ is not equal to

a) ${a +c}/{b +d}$

b) ${c - a}/{b - d}$

c) $c/d$

d) $a/b$

Question : 7 [SSC CHSL 2012]

94 is divided into two parts in such a way that the fifth part of the first and the eighth part of the second are in the ratio 3 : 4. The first part is :

a) 40

b) 28

c) 36

d) 30

Question : 8 [SSC CGL Prelim 2000]

If p : q = r : s = t : u = 2 : 3, then (mp + nr + ot) : (mq + ns + ou) is equal to :

a) 2 : 3

b) 3 : 2

c) 1 : 2

d) 1 : 3

Question : 9 [SSC CGL Prelim 2000]

If m : n = 3 : 2, then (4m + 5n) : (4m - 5n) is equal to :

a) 11 : 1

b) 9 : 1

c) 9 : 4

d) 4 : 9

Question : 10 [SSC CGL Prelim 2005]

If a : b = 5 : 7 and c : d = 2a : 3b, then ac : bd is :

a) 10 : 21

b) 50 : 151

c) 50 : 147

d) 20 : 38