Q.211- The average of nine number is 50. The average of first five numbers is 54 and that of the last three numbers is 52. Then the sixth number is :A. 30B. 34C. 24D. 44 Q.212- From a class of 42 boys, a boy aged 10 years goes away and in his place, a new boy is admitted. If on account of this change, the average age of the boys in that class increases by 2 months, the age of the newcomer is :A. 19 yearsB. 17 yearsC. 10 years 6 monthsD. 12 years 2 months Q.213- The average of 30 numbers is 40 and that of other 40 numbers is 30. The average of all the numbers is :A. $$34 \Large\frac{2}{7}$$B. 35C. 34D. 34.5 Q.214- A man purchased 7 bags of rice at the rate of Rs. 800 each, 8 bags of rice at Rs. 1000 each and 5 bags of rice at the rate of Rs. 1200 each. What is the average cost of one bag of rice ?A. Rs. 1000B. Rs. 980C. Rs. 1120D. Rs. 1050 Q.215- The sum of three consecutive even numbers is 28 more than the average of these three number. Then the smallest of these number is –A. 6B. 16C. 12D. 14 Time is Up! Time's up