• #### SBI PO Exam Quantitative Aptitude Study Material

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a) Rs. 2400
b) Rs. 1200
c) Rs. 3600
d) Rs. 4800

a) 2:1
b) 3:2
c) 1:1
d) 3:1

a) 12
b) 78
c) 65
d) 13

a) 15
b) 18
c) 12
d) 20

a) 36
b) 15
c) 45
d) 12

a) 10
b) 80
c) 40
d) 100

a) Rs. 1375
b) Rs. 3150
c) Rs. 800
d) Rs. 1000

a) 30
b) 60
c) 45
d) 90

a) 12:9 = 16:12
b) 13:11 = 5:4
c) 30:45 = 13:24
d) 3:5 = 2:5

a) 12, 24, 36
b) 5, 10, 15
c) 4, 8, 12
d) 10, 20, 30

##### Solution Is : we know that the H.C.F. of two or more algebraical expression of highest dimensions which divides each of them without remainder. given numbers are in the ratio 1:2:3 let the nos.are 1*x,2*x,3*x so we can write, x=12 (here `x` is the highest dimension and divides the nos without remainder) So the nos. are, 1*12,2*12,3*12 i.e. 12,24,36
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