12 kg of rice costing 30 per kg is mixed with 8 kg of rice costing 40 per kg.The average per kg price of mixed rice is? Mark as favorite Copy Link 38 37 35 34 Check Answer
The average of 11 numbers is 10.9. If the average of the first six numbers is 10.5 and that of the last six numbers is 11.4, then the middle number is? Mark as favorite Copy Link 10.5 11.5 12.5 13.5 Check Answer
The average of 30 numbers is 12.The average of the first 20 of them is 11 and that of the next 9 is 10. The last number is? Mark as favorite Copy Link 60 45 40 50 Check Answer
The average of 11 results is 50. If the average of the first six results is 49 and that of the lastsix is 52, the sixth no. is? Mark as favorite Copy Link 48 50 52 56 Check Answer
Average income of ‘A’ and ‘B’ is 200 and average income of ‘C’ and ‘D’ is 250. The average income of A, B, C and D is? Mark as favorite Copy Link 106.25 125 200 225 Check Answer
The average per day income of A, B and C is 450. If the average per day income of A and B be 400 and that of B and C be 430, the per day income of B is? Mark as favorite Copy Link 300 310 415 425 Check Answer
The average of three numbers is 77. The first number is twice the second and the second number is twice the third. The first number is? Mark as favorite Copy Link 33 66 77 132 Check Answer
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? Mark as favorite Copy Link 20 18 16 14 Check Answer
The average of 27 numbers is 60. If one number is changed from 28 to 82, the average is? Mark as favorite Copy Link 56 58 62 64 Check Answer
The mean of 50 observations was 36. It was found later that an observation 48 was wrongly taken as 23. The corrected new mean is? Mark as favorite Copy Link 35 36.5 40 42 Check Answer