The average weight of 25 persons sitting in a boat had some value. A new person added to them whose weight was 46 kg only. Due to his arrival, the average weight of all the persons decreased by 5 kg. Find the average weight of first 25 persons?

Related Mcqs:

1. The average age of seven persons sitting in a row facing east is 28 years. If the average age of the first three persons is 21 years and the average age of the last three persons is 34 years, then find the age of the person sitting in the middle of the row?

   A. 30 Years
   B. 31 years
   C. 26 years
   D. 33 years

2. The average age of a group of 10 persons was decreased by 3 years when one person, whose age was 42 years, was replaced by a new person. Find the age of the new person?

   A. 22
   B. 24
   C. 12
   D. 8

3. The speed of a boat in upstream is 60 kmph and the speed of the boat downstream is 80 kmph. Find the speed of the boat in still water and the speed of the stream?

   A. 70, 10 kmph
   B. 35, 27 kmph
   C. 50, 60 kmph
   D. 45, 55 kmph

4. The average weight of a group of boys is 30 kg. After a boy of weight 35 kg joins the group, the average weight of the group goes up by 1 kg. Find the number of boys in the group originally?

   A. 4
   B. 5
   C. 6
   D. 7

5. The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, then the weight of B is___________?

   A. 17 kg
   B. 20 kg
   C. 26 kg
   D. 31 kg

6. The average weight of A, B and C is 45 kg. If the average weight of A and B be 40 kg and that of B and C be 43 kg, then the weight of B is___________?

   A. 17 kg
   B. 20 kg
   C. 26 kg
   D. 31 kg

7. The average weight of a group of persons increased from 48 kg to 51 kg, when two persons weighing 78 kg and 93 kg join the group. Find the initial number of members in the group?

   A. 21
   B. 22
   C. 23
   D. 24

8. The average height of 50 pupils in a class is 150 cm. Five of them whose height is 146 cm, leave the class and five others whose average height is 156 cm, join. The new average height of the pupils of the class (in cm) is __________ .

   A. 149
   B. 151
   C. 152
   D. 153

9. A cricketer has a certain average for 10 innings. In the eleventh inning, he scored 108 runs, there by increasing his average by 6 runs. His new average is_____________?

   A. 48 runs
   B. 52 runs
   C. 55 runs
   D. 60 runs

10. The time taken by a man to row his boat upstream is twice the time taken by him to row the same distance downstream. If the speed of the boat in still water is 42 kmph, find the speed of the stream?

    A. 12 kmph
    B. 13 kmph
    C. 14 kmph
    D. 15 kmph