Subject :IMO Class : Class 8
A girl 5.5 feet casts a shadow 70 inches long. At the same time a telephone pole casts 314 inches shadow. Which proportion cannot be used to find the height of the telephone pole ?
A
B
C
D
the answer is A) 70/5.5=314/x
Ans 1:
Class : Class 9
answer should be 'A' as it is directly proportional and in directly proportion the formula is x1/y1 = x2/y2