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

Question : 1 [SSC CGL Prelim 1999]

If a : b = 7 : 9 and b : c =15 : 7, then what is a : c?

a) 7 : 21

b) 7 : 15

c) 3 : 5

d) 5 : 3

Question : 2 [SSC CGL Prelim 2007]

If a : b : c = 2 : 3 : 4 and 2a - 3b + 4c = 33, then the value of c is

a) 12

b) $66/7$

c) 9

d) 6

Question : 3 [SSC CPO S.I.2004]

Rs.6200 divided into three parts proportional to $1/2 : 1/3 : 1/5$ are respectively

a) Rs.2500, Rs.2000, Rs.1700

b) Rs.2200, Rs.3000, Rs.1000

c) Rs.3500, Rs.1500, Rs.1200

d) Rs.3000, Rs.2000, Rs.1200

Question : 4 [SSC CGL Prelim 2005]

If A : B = $1/2 : 3/8, B : C = 1/3 : 5/9 and C : D = 5/6 : 3/4$, then the ratio A : B : C : D is

a) 8 : 6 : 10 : 9

b) 4 : 6 : 8 : 10

c) 6 : 8 : 9 : 10

d) 6 : 4 : 8 : 10

Question : 5 [SSC CGL Prelim 2005]

If a : b = c : d = e : f = 1 : 2, then ( 3a + 5c +7e): (3b + 5d + 7 f ) is equal to

a) 1 : 4

b) 1 : 2

c) 2 : 1

d) 8 : 7