If a:b=3:2,b:c=7:15.Then find a:b:c?
The way to find a:b:c is
a b c
Three numbers are in the ratio 2:5:8.Their HCF is 15.Find the numbers.
The way to find numbers are multiply each ratio with HCF.
Numbers are 2x15,5x15,8x15
If a:b=5:6,b:c=3:10 and c:d=4:5.Find a:d?
a:d means a/d.
a/d=a/b x b/c x c/d
=5/6 x 3/10 x 4/5
Rs.828 is devided between A,B,C in the ratio 3:2:4.Then B gets?
B got 828 x 2/3+2+4 = 828 x 2/9
The ratio between number of girls and boys in a class is 5:4.Then which one of the given number will represent the number of students of that class?
38 21 48 54
5 +4 = 9
Here multiple of nine is 54.
So answer 54.
The ratio of men and women in a polling booth is 4:5.If there were 150 women more than that of man,the number of voters in the booth are?
No. of men=4x
No. of women=5x
5x - 4x = 150
The total number of voters = 5x + 4x
=9x = 9 X 150 = 1350
a% of b is c% of d.Then find a:c?
a% of b = c% of d
ie; a x b / 100 = c x d / 100
ie; a/c = d/b
So a:c = d:b
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