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19                ARMY AIR FORCES

(21) Calculate the number of square centimeters in 1 square foot.

(22) A photographic film is designed for a picture 6 by 9 centimeters; express this in inches to the nearest quarter inch.
                                    2¼ by 3½ in. Answer. 

(23) If 570 cadets are sent to primary schools in Florida, and this group represents 30 percent of the class, find the number of cadets in the class.

(24) If 24 cadets out of a squadron of 180 passed the high altitude test, what percent of the squadron passed the test?
                                    13.3 percent Answer.

(25) At a certain airdrome there are 88 aircraft, consisting of bombers and interceptor aircraft. The ratio of bombers to interceptors is 3 to 8. Find the number of each kind of aircraft.

(26) What is the diameter in inches of the bore of a 75-mm gun? (This means the bore is 75mm in diameter.) 
                                         2.95 in. Answer.

(27) The following numbers represent the ranges of different aircraft: 250 nautical miles; 262 statute miles; 480 kilometers; 298 statute miles; 275 nautical miles.  Arrange these distances in order of magnitude starting with the largest one.

(28) A detail of 33 cadets represents 15 percent of the squadron. How many cadets are there in the squadron? 
                        220 Answer.

(29) Find the difference in temperature readings of +47°C. and -5°C.

(30) On a certain day the lowest temperature reading was -14°F. and the highest temperature reading was +19°F. Find the increase in readings.                              
                            33° Answer.

(31) Find the values of the following:
                       (-3)^[[3]] 
                       (-2)^[[2]] (-1)^[[3]]
                       3(-2)^[[3]] (-1)^[[2]]
                       2(1/2)^[[2]] (4)^[[3]]
                       8(-1)^[[2]] (1/2)^[[3]]

(32) A panel is made up of 5 plies which are ¼ inch, ⅜ inch, ⅓ inch, ⅕ inch, and 2/15 inch thick, respectively. How thick is the panel?
                                       1 7/24 in. Answer.

(33) Divide 1.5625 by 0.125.

(34) Multiply 2¼ 8/36 2⅔ 1⅛.                  
      1½ Answer.

(35) Find the sum of 1½+2⅔-¼+5/18.

(36) How many strips each 3/32 inch thick are in a laminated piece 1⅞ inches thick?                              
                     20 Answer.

(37) In a squadron of 200 cadets there are 14 cadets sick. What percent of the squadron is sick?

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Transcription Notes:
Is ^ the correct way to transcribe exponents? > Exponent transcription updated according to Project PHaEDRA instructions. - Emily, TC staff