Average MCQ 2 5%Question 1 of 201. The average monthly income of P and Q is Rs. 5050. The average monthly income of Q and R is Rs. 6250 and the average monthly income of P and R is Rs. 5200. The monthly income of P is:3500400040505000Question 1 of 20Question 2 of 202. The mean weight of a group of seven boys is 56 kg. The individual weights (in kg) of six of them are 52, 57, 55, 60, 59 and 55. Find the weight of the seventh boy.64 548828Question 2 of 20Question 3 of 203. The average of 1st 3 of 4 numbers is 16 and of the last 3 are 15. If the sum of the first and the last number is 13. What is the last numbers?8652Question 3 of 20Question 4 of 204. Find the average of first 97 natural numbers.4737484949.5Question 4 of 20Question 5 of 205. An exam was conducted in a state over 222 centres. The average number of applicants per centre was found to be 1560. However, it was later realized that in one centre, the number of applicants was counted as 1857 instead of 1747. What was the correct average number of applicants per centre (upto two decimals)? 1359.51 1559.53 1559 1559.51 Question 5 of 20Question 6 of 206. The average age of husband, wife and their child 3 years ago was 27 years and that of wife and the child 5 years ago was 20 years. The present age of the husband is35 years40 years50 yearsNone of theseQuestion 6 of 20Question 7 of 207. The average of 9 observations was 9, that of the 1st of 5 being 10 and that of the last 5 being 8. What was the 5th observation?9876Question 7 of 20Question 8 of 208. The average age of three boys is 15 years. If their ages are in ratio 3 : 5 : 7, the age of the youngest boy is21 years18 years15 years9 years12 yearsQuestion 8 of 20Question 9 of 209. The average of eight numbers is 25, out of which average of first two numbers is (39/2) and the average of the next three numbers is(70/3) . The sixth number is less than the seventh and the eighth by 5 and 8 respectively. Find the seventh number.31333537Question 9 of 20Question 10 of 2010. A car owner buys petrol at Rs.7.50, Rs. 8 and Rs. 8.50 per litre for three successive years. What approximately is the average cost per litre of petrol if he spends Rs. 4000 each year?Rs. 7.98 Rs. 8Rs. 8.50Rs. 9Question 10 of 20Question 11 of 2011. Average weight of 25 boys in a class is 48 kgs. The average weight of the class of 40 students is 45 kgs. What is the average weight of the 15 girls in the class?44 kgs42 kgs40 kgs39 kgsQuestion 11 of 20Question 12 of 2012. The average of 10 numbers is calculated as 15. It is discovered later on that while calculating the average, one number namely 36 was wrongly read as 26. The correct average is?12.414 1618.6Question 12 of 20Question 13 of 2013. The average of a group of men is increased by 5 years when a person aged of 18 years is replaced by a new person of aged 38 years. How many men are there in the group?3456Question 13 of 20Question 14 of 2014. The average salary of a company increases by 100 when the salary of the manager, which is Rs. 9500, is included. If the number of employees excluding the manager is the smallest cube divisible by 16, what is the final average of the company?Rs. 3400 Rs. 3200 Rs. 3100 None of theseQuestion 14 of 20Question 15 of 2015. The average monthly income of P and Q is Rs. 5050. The average monthly income of Q and R is Rs. 6250 and the average monthly income of P and R is Rs. 5200. The monthly income of P is:3500400040505000Question 15 of 20Question 16 of 2016. Average of all prime numbers between 30 to 5037 37.83939.8Question 16 of 20Question 17 of 2017. The average of 1st 3 of 4 numbers is 16 and of the last 3 are 15. If the sum of the first and the last number is 13. What is the last numbers?8652Question 17 of 20Question 18 of 2018. The average of a group of men is increased by 5 years when a person aged of 18 years is replaced by a new person of aged 38 years. How many men are there in the group?3456Question 18 of 20Question 19 of 2019. Three years ago, Poorvi was thrice as old as his sister Reena. After three years Poorvi will be twice as old as Reena. What is the present age of Reena?57911Question 19 of 20Question 20 of 2020. Average of 10 matches is 32, How many runs one should score to increase his average by 4 runs.70767880Question 20 of 20 Loading...