Ratio and Proportion Questions

• If A's wealth is 4/9 times of B's and C's is 7/6 times of B's, what is the ratio of C's wealth to A's?
• What is the fourth proportional to 24, 120 and 22?
• The flight fare between two cities is increased in the ratio 9:11. What is the increase (in Rs) in the fare, if the original fare was Rs. 18,000?
• In what ratio does the point T(x,0) divide the segment joining the points S(-4,-1) and U(1,4)?
• What is the third proportional to 10 and 25?
• In what ratio does the point T(x, 0) divide the segment joining the points S(5, 1) and U(-1, -2)?
• What number should be added to each of the numbers 55, 100, 65 and 116, so that the resulting numbers are in continued proportion?
• What is the fourth proportional to 336, 288 and 161?
• If P : Q : R = 2 : 3 : 5, then what is the value of (P + Q) : (Q + R) : (R + P)?
• The ratio of the amount of work done by (x-1) labours in (x+1) days and that done by (x+1) labours in (x+2) days is 5 : 6. Then the value of x is
• Find the fraction which bears the same ratio to 1/27 that 3/7 does to 5/9 .
• If a cone is divided into two parts by drawing a plane through the midpoints of its axis, then the ratio of the volume of the 2 parts of the cone is
• If 2r = h + r2+h2 , then the ratio of r:h is
• In a college union, there are 48 students. The ratio of the number of boys to the number of girls is 5:3. The number of girls to be added in the union, so that the number of boys to girls in 6:5 is
• Find the third proportional to 6 and 12.
• According to the will the wealth of Rs 21,25,000 was to be divided between the son and the daughter in the ratio 7/6 : 5/3. How much did the son get (in Rs)?
• If Rs 25,000 is to be divided between A, B and C in the ratio 1/10 : 1/6 : 1/15, then how much will C get (in Rs)?
• Rizwan has a box in which he kept red and blue marbles. The red marbles and blue marbles were in the ratio 5 : 4. After he lost 5 red marbles the ratio became 10 : 9. How many marbles does he have now?
• The radius of base of solid cone is 9 cm and its height is 21 cm. It cut into 3 parts by two cuts, which are parallel to its base. The cuts are at height of 7 cm and 14 cm from the base respectively. What is the ratio of curved surface areas of top, middle and bottom parts respectively?
• If 3A = 6B = 9C; What is A : B : C