Aptitude - Arithmetical Ability

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7.

How many times are the hands of a . clock at right angles in a day ??                          
A. 22 B. 44
C. 24 D. 48



8.

A watch which gains 5 seconds in 3 minutes was set right at 7 a.m. In the afternoon of the same day, when the watch indicated quarter past 4 o'clock, the true time is:?                          
A. 59 7/12 min. past 3 B. 4 p.m.
C. 58 7 11min. past 3 D. 2 3 /11 min. past 4



9.

A watch which gains uniformly is 2 minute slow at noon on Monday and is 4 mm. 48 sec fast at2 p.m. on the following Monday. When was it correct ??                          
A. 2 p.m. on Tuesday B. 3 p.m. on Thursday
C. 2 p.m. on Wednesday D. 1 p.m. on Friday




10.

How many times in a day, the hands of a clock are straight??                          
A. 22 B. 44
C. 24 D. 48



11.

How many times are the hands of a clock at right angle in a day??                          
A. 22 B. 44
C. 24 D. 48



12.

The reflex angle between the hands of a clock at 10.25 is?                          
A. 180° B. . 192 ½°
C. 195° D. 197 ½°



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