CTS Company Numerical Ability Averages

20 members avg =10.5. 3 memb of 11.5,12.5,13.5 left and 3 memb of 10.5,12.5,14.5 joined along with a teacher of 21 yr.Now avg =

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10.5*20=210
210+21=231
now avg=231/21=11
10 years agoHelpfull: Yes(4) No(0)

CTS Other Question

4 weights r weighed in pairs. Weights of pairs are determined as 103,105,106,106,107,109 What is the min wt? Solid cube of 6 * 6 * 6. This cube is cut into to 216 small cubes. (1 * 1 * 1).the big cube is painted in all its faces. Then how many of cubes are painted at least 2 sides.