There is a series 13,14,27,30,55,62,?, 126. Find the missing.
In a hotel we can order two types of varieties, but we can make 6 more varieties in home. One can want the four varieties with two from hotel must. Find how many ways one can order.
Four years hence the average of 6 members is 45. Now a person is added and the avg becomes 48. What is the age of added person?