For the following questions answer them individually
The average of 5 numbersis 140. If one number is excluded, the average of the remaining 4 numbers is 130. The excluded numberis :
Whatis the greatest number whichwill divide 110 and 128 leaving a remainder 2 in each case ?
Both the end digits of a 99 digit number N are 2 N is divisble 11, then all the middle digits are
A solid woodentoyis in the shape of a right circular cone mounted ona hemisphere.If the radius of the hemisphereis 4.2 cm and the total heightofthe toy is 10.2 cm, find the volume of the wooden toy (nearly).
A can do a piece of work in 12 days . B is 50% more efficient than A .In how many days B will finish the samw work?