Page 327 - Start Up Mathematics_7

9. A child is chosen at random from a school having a strength of
700 students. What is the probability that child’s birthday falls on
a Sunday?
1 1
(a) 4,900 (b) 700

(c) 1 (d) 1
7 6

10. Dilip books a cab online to go to the international airport in New Delhi. The taxi fare chart is
shown in the following table.

Taxi rates issued by State Transport Authority, New Delhi
Fare ` 25 for the first kilometre and thereafter ` 14 per kilometre for every
additional kilometre

Waiting charges ` 30 per hour or part thereof (subject to minimum of 15 minutes)

Luggage ` 10 per piece except for shopping bags or small suitcase
How much will Dilip have to pay for a distance of 31 km, if he makes the taxi driver wait for
an hour and has two extra luggage?

(a) ` 420 (b) ` 434 (c) ` 445 (d) ` 495

11. A seminar on oncology had two sessions of equal length with a half an hour break in between.
The first session started at 8.30 a.m. and the second session ended at 11.20 a.m. How long was
each session?

(a) 1 hour (b) 1 hour 10 minutes

(c) 1 hour 20 minutes (d) 1 hour 25 minutes
12. Arushi is taller than Mahek but shorter than Shambhavi. There are only two girls taller than
Ananya whose height is same as Mahek’s. Who is the tallest in the group?

(a) Sambhavi (b) Arushi (c) Mahek (d) Ananya

l
13. A room is cubical in shape as shown. What is the length of the longest rod
that can fit into it? l

(a) l (b) √2 l (c) √3 l (d) √2 l l

A
14. Choose the cube that can be formed by folding the given net. B D

C E

F

A F B C
(a) E D (b) B D (c) E D (d) D E

319