# Problem 432 - Force in Members of a Truss by Method of Sections

# Problem 431 - Members in the Third Panel of a Parker Truss

# Problem 430 - Parker Truss by Method of Sections

# Problem 429 - Cantilever Truss by Method of Sections

# 03 Excess of the Sum of Parts over the Difference of Parts of a Number

**Problem**

The excess of the sum of the half and the third parts over the difference of the fourth and the fifth parts of a number is 188. What is the value of a number?

# 02 - Time for the thermometer reading to drop to within half degree of the air temperature

**Problem 02**

A thermometer reading 75 degree Fahrenheit is taken out where the temperature is 20 degree Fahrenheit. The thermometer reading is 30 degree Fahrenheit 4 minutes later. Find the time (in minutes) taken for the reading to drop from 75 degree Fahrenheit to within half degree of the air temperature.