Find the fourth proportion to 3, 7 and 9.

Related Mcqs:

Solve for x
2x:25 = 6:(x/3)

A. 18 B. 15 C. 12 D. 5...

X, Y and Z are quantities of the same kind such that X_Y=5:8 and Y_Z=4:7. Find X:Z.

A. 32:35 B. 67:56 C. 5:14 D. 5:7...

The plan for a rectangular area is drawn to a scale of 1:500. If the length and breadth in the plan is 30 cm and 20 cm, find the actual area.

A. 1200 m² B. 1500 m² C. 12000 m² D. 15000 m²...

The length and breadth of a rectangle are in the ratio 5:4. Find its perimeter if its area is 180 cm²

A. 54 cm B. 27 cm C. 12 cm D. 15 cm...

The ratio of two numbers a and b is 3:5. If 2 is added to both the numbers, the ratio becomes 2:3. Find b.

A. 15 B. 10 C. 8 D. 5...