# Quiz in Basic Mathematics

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**Problem**

From where he stands, one step toward the cliff would send the drunken man over the edge. He takes random steps, either toward or away from the cliff. At any step his probability of taking a step away is 2/3, of a step toward the cliff 1/3. What is his chance of escaping the cliff?

A. 2/27 | C. 4/27 |

B. 107/243 | D. 1/2 |

**Problem 917**

For the structure in Problem 916, calculate the maximum compressive stress in bar *ABC* if its cross section is 200 mm square.

**Problem 915**

For the structure in Problem 914, compute the maximum tensile stress developed in bar *CB*.

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