Arithmeticmedium · Past Paper
If (x/5) = (y/8), then (x+5):(y+8) is equal to:
A3:5
B13:8
C8:5
D5:8
✓ Correct Answer: D — 5:8
If x/5 = y/8 = k, then x=5k and y=8k. (5k+5)/(8k+8) = 5(k+1)/8(k+1) = 5/8.
Share this question
More from Arithmetic
- The sides of a triangle are in the ratio 1/2 : 1/3 : 1/4. If the perimeter is 52cm, find the shortest side.
- A certain sum amounts to Rs 7350 in 2 years and to Rs 8575 in 3 years at compound interest. Find the sum.
- Calculate the simple interest on Rs. 5000 at a 10% annual rate for 2 years.
- A trader sells two types of rice at Rs. 24 and Rs. 30 per kg. In what ratio should he mix them to sell at Rs. 29.70 per kg making 10% profit?
- The total number of students in a school is 2140. If the number of girls in the school is 1200, then what is the ratio of total number of boys to the total number of girls?