SERIES 11 Test Booklet Serial No - Bharatstudent.com

7. Recently smoking at public places is declared as an offence. Delhi Police has started imposing
a penalty against smoking in public and has eight raid teams in place. In a surprise check, the
raid team caught 40 people smoking in the Connaught Place area of Delhi. The standard
deviation and sum of squares of the amount found in their pockets were Rs. 10 and Rs. 40000,
respectively. If the total fine imposed on these offenders is equal to the total amount found in
their pockets and the fine imposed is uniform, what is the amount that each offender will have
to pay as fine?
(1) Rs. 90
(2) Rs. 60
(3) Rs. 30
(4) Rs. 15
8. The Vice-Chancellor of University of Delhi decided to form a committee to look into the
feasibility of introduction of semester systems at the under-graduate level in the University. 5
members from the Executive Council and 7 members of the Academic Council were found
suitable for the job. In how many ways can the Vice-Chancellor form a committee of 6
members such that at least 4 members of the committee belong to the Academic Council?
(1) 462
(2) 422
(3) 412
(4) 442
9. A flight of Jet Airways from Delhi to Mumbai has an average speed of 700 kilometres per hour
without any stoppage, whereas a flight of Kingfisher from Delhi to Mumbai has an average
speed of 560 kilometres per hour with stoppage at Baroda. What is the average stoppage time
per hour of Kingfisher flight if both the planes fly at the same speed?
(1) 8 minutes
(2) 12 minutes
(3) 16 minutes
(4) 24 minutes
10. A 500-gram stone was dropped from the roof of a building. What is the height of the building
if the stone reached the ground in 4 seconds?
(1) 108.4 metres