** Question No : 1**

When a student weighing 45 kgs left a class, the average weight of the remaining 59 students increased by 200g. What is the average weight of the remaining 59 students

55

56

57

58

** Question No : 2**

The average weight of a class of 24 students is 35 kg. If the weight of the teacher be included, the average rises by 400 g. The weight of the teacher is

45

50

55

60

** Question No : 3**

The average age of the mother and her six children is 12 years which is reduced by 5 years if the age of the mother is excluded. How old is the mother

40

41

42

43

** Question No : 4**

A motorist travel to a place 150 km away at an avearge speed of 50 km/hr and returns ar 30 km/hr.His average speed for the whole jouney in km/hr is

36.5 km/hr

37.5 km/hr

35.5 km/hr

34.5 km/hr

** Question No : 5**

The average of six numbers is X and the average of three of these is Y.If the average of the remaining three is z, then

x = y + z

2x = y + z

x = 2y + z

x = y + 2z

** Question No : 6**

The average age of husband, wife and their child 3 years ago was 27 years and that of wife and the child 5 years ago was 20 years. The present age of the husband is

40

35

45

55

** Question No : 7**

If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55, 60, then the average marks of all the students is

54.48

54.68

54.60

54.58