Correct Answer:
C. (C) 29.9
The correct mean is calculated by adjusting the total sum for the wrongly recorded items and then dividing by the total number of items.
Related MCQs
A profit of rupees 12300 is distributed among the three partners in the ratio 4/3:7/6:11/12. Find the share of the third partner?
A.
4200
B.
3300
C.
4600
D.
None of these
Correct answer is:
B. 3300
National flower of Pakistan?
A.
Jasmine
B.
Rose
C.
Sunflower
D.
Lily
Correct answer is:
A. Jasmine
A can do a piece of work in 4 hours; B and C together can do it in 3 hours, while A and C together can do it in 2 hours B atone for doing in:
A.
A. 8 hours
B.
B. 10 hours
C.
C. 12 hours
D.
D. None of these
Correct answer is:
C. C. 12 hours
P is 6 times greater than Q then by what percent is Q smaller than P?
A.
A. 84%
B.
B. 85.50%
C.
C. 80%
D.
D. None of these (83.33%)
Correct answer is:
D. D. None of these (83.33%)
There are twice as many boys as there are girls If 30% of the boys and 45%of the girls failed in the exams then what percentage of the class passed the exams?
A.
A. 35%
B.
B. 40%
C.
C. 52%
D.
D. None of these
Correct answer is:
D. D. None of these
First country to recognize Pakistan in the UN:
A.
Iran
B.
India
C.
China
D.
None of these
Correct answer is:
A. Iran