Question (17/66)
Average age of 36 students in a group is 14 years. When teacher's age is included to it, the average increased by one. What is teacher's age in years ?(A) 31
(B) 41
(C) 51
(D) 61
Question (18/66)
The average monthly income of Sam and Dev is Rs. 5050. The average monthly income of Dev and Jack is Rs. 6250 and the average monthly income of Sam and Jack is Rs. 5200. The monthly income of Sam is ?(A) Rs. 3500
(B) Rs. 4000
(C) Rs. 4500
(D) Rs. 5000