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if x:y = 1:3, then find the value of (7x+3y):(2x+y)
The salaries of A, B and C are of ratio 2:3:5. If the increments of 15%, 10% and 20% are done to their respective salaries, then find the new ratio of their salaries.
If Rs. 782 is divided into three parts, proportional to 1/2 : 2/3 : 3/4 find the first part.
If Rs. 782 is divided into three parts, proportional to
1/2 : 2/3 : 3/4
find the first part.
1/2 : 2/3 : /34
= 6:8:9
First part =782 × 6 × 2/3=204
Rs. 120 are divided among A, B, C such that A's share is Rs. 20 more than B's and Rs. 20 less than C's. What is B's share
Let C = x. Then A = (x—20) and B = (x—40).
x + x - 20 + x - 40 = 120 Or x=60.
A:B:C = 40:20:60 = 2:1 :3.
B's share = Rs. 120×(1/6) = Rs. 20
In a college, the ratio of the number of boys to girls is 8 : 5. If there are 200 girls, the total number of students in the college is
Let the boy are 8x and Girls are 5x
=> 5x = 200
=> x = 40
Total students = 8x+5x = 13x = 13(40) = 520
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