Total weekly emoluments of the workers of a factory is Rs. 1534. Average weekly emolument of a worker is Rs. 118. The nu…

The average weight of 47 balls is 4 g. if the weight of the bag (in which the balls are kept) be included; the calculate…

The average weight of 3 men A, B, and C is 84 kg. Another man D joins the group and the average now becomes 80 kg. If an…

In the first 10 overs of a cricket game, the run rate was only 3.2. The run rate in the remaining 40 overs to reach the …

Mean of 10 numbers is 30. Later on it was observed that numbers 15, 23 are wrongly taken as 51, 32. The correct mean is …

The average temperature for Wednesday, Thursday and Friday was 40<sup>°</sup>C. The average for Thursday…

The average weight of 45 students in a class is 52 kg. Five of them whose average weight is 48 kg leave the class and ot…

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 ch…