Average age of ten persons learning yoga is 32
years. When the age of their instructor is added,
the average age becomes 34 years. The age of
their instructor is ?
54
52
46
46
Sameer is as much younger to Mohan as he is older to Arun. If the sum of the ages of Mohan and Arun is 48, the age of Sameer is
20 years
24 years
30 years
30 years
A tank can be filled up by two pipes A and B in 2 hours and 3 hours
respectively. A third pipe C can empty the full tank in 6 hours. If all the taps can be turned on at the same time, the tank will be full in
1 hour
40 minutes
1.5 hours
1.5 hours
Of the three numbers, the first is one third of the second and twice the third. The average of these numbers is 27. The largest of these numbers is
18
36
54
54