Question
The 'Principle of diminishing returns'
explains:ÂSolution
The correct answer is B
Average of 8 numbers is 80. If average of first four and last two numbers is 90 and 60, respectively then find the fifth number given that ratio of fift...
Average weight of all the people in a group is 61 kg. When two people of weight 66 kg and 84 kg left the group, average weight reduces by 1 kg. Find the...
The average marks scored by 20 boys and 45 girls are 88 and 94 respectively. Find the average marks scored by all the students together. (Answer should ...
60% of 3840 +? + 30% of 4380 = 40% of 8340 + 10% of 3480
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Average 20 numbers is ‘x’. If the average of first 12 numbers is 64.5 while average of last 5 numbers is 84.8 and 13th, 14th...
A class of 45 students has a total weight of 1080 kg. Two students with weights 22 kg and ‘z’ kg leave the class, and a new student with weight (3z ...
The average cost of three chairs is Rs.12000. The average cost decrease by 18% when one more chair is included. What is the cost price of the 4th
A worker completes 6 tasks at an average rate of 5 tasks per day. If he needs to complete an average of 8 tasks per day over 12 days, what should be his...
