A class has 40% boys. If 20% of boys and 30% of girls wrote. a paper and in all 52 persons wrote the paper, what is the strength of the class ?
(1) 1250
(2) 200
(3) 400
(4) 250
The average sales of gas lighters of 24 salesman excluding Mukesh is 46 pieces per day whereas Mukesh alone sells 96 piece per day. What will be the average sales of gas lighters if Mukesh's sale isalso included in it ?
1) 46
2) 48
3) 50
4) 71
