Correct Answer : D
Realated Questions
The infinite sum 1?+4 / 7+?9 / 72+?16 / 73 ? 25 / 74 ? .... equals
In a number system the product of 44 and 11 is 2124. The number 3111 of this system, when converted to the decimal number system,
becomes:
The figure below shows the network connecting cities, A, B, C, D, E and F. The arrows indicate permissible direction of travel. What is the number of distinct paths from A to F?