The sum of ages of 4 members of a family 5 yr ago was 94 yr. Today, when the daughter has been married off and replaced by a daughter-in-law, sum of their ages is 92. Assuming that, there has been no other change in the family structure and all the people are alive, what is the difference between the age of the daughter and that of the daughter-in-law?
[IBPS (SO), 2014]
In a class, the average height of 35 girls was measured 160 cm. Later on, it was discovered that the height of one of the girl was misread as 144 cm, while her actual height was 104 cm. what was the actual average height of girls in the class? (rounded off to two digits after decimal).
[Syndicate Bank, 2010]
The average weight of 45 students in a class was calculated as 36 kg. It was later found that, the weight of two students in the class was wrongly calculated. The actual weight of one of the boys in the class was 32 kg but it was calculated as 34 kg and the weight of another boy in the class was 45 kg, whereas it was calculated as 40 kg. What is the actual average weight of the 45 students in the class? (Rounded off to two digits after decimal)
[PNB Management, 2010]
The average weight of a group of 53 girls was calculated as 58 kg. It was later discovered that the weight of one of the girls was read as 65 kg, where as her actual weight was 45 kg. What is the actual average weight of the group of 53 girls? (rounded off to two digits after decimal)
[BOB(PO), 2009]
The average marks of 65 students in a class was calculated as 150. It was later realised that the marks of one of the student was calculated as 142, where as his actual marks were 152. What is the actual average marks of the group of 65 students? (rounded off to two digits after decimal)
[Syndicate Bank, 2009]
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