Page 187 - Math Genius C5

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\ 08-Oct-2025 Bharat Arora Proof-9 Reader’s Sign _______________________ Date __________

Chapter assessment

1. Read the paragraph and tick () the correct option:

Aftab had to leave from Ahmedabad to reach his college in New Delhi. The departure
time printed on the ticket was 1730 hours. He reached the station at 4:45 p.m.
However, on reaching the station he came to know that the train was three-quarters
of an hour late. Once the train arrived, Aftab boarded the train and arrived in New
Delhi at 0855 hours on the next day.

( a) The time 1730 as per the 12-hour clock is __________.

(i ) 4: 30 p.m. (ii ) 5:30 a.m. (iii ) 6: 30 p.m. (iv) 5:30 p.m.

( b) The time 4:45 p.m. as per the 24-hour clock is __________.
(i ) 1545 hours (ii ) 1645 hours (iii ) 1445 hours (iv) 1655 hours

( c) At what time did the train depart from Ahmedabad?
(i ) 6:30 p.m. (ii ) 7:45 p.m. (iii ) 5:45 p.m. (iv) 6:15 p.m.

( d) The duration the train took to reach New Delhi was __________.

(i ) 13 hours 40 min (ii ) 13 hours 50 min

(iii ) 14 hours 40 min (iv) 14 hours 50 min
2. A train leaves the station at 9:30 a.m. and reaches its destination at 6:45 a.m. the
next day. Find the duration of the journey.

3. Rohan joined a company on 5 September 2016 and left it on 3 January 2025. How
long did he work for the company?
4. Riya is an 11-year-old student of Class V. Her winter vacation was from 5 December,
2024 to 12 January, 2025. For how many days was her school closed?
5. Salman and Sophia are siblings. Salman was born on 8 April, 2006 and his sister
Sophia was born on 3 March, 2014. Who is younger among them and what is their
age difference? COMPeteNCy BASed QUeStION

6. A television channel shows an 18-second advertisement after every half an hour. For
how long in a day are advertisements shown on the channel?
COMPeteNCy BASed QUeStION
7. Convert the following using a double number line.
× 3

1 min __ min 3 min 8 min 15 min ___ min ___ min

× 60

60 s 120 s ___ s ___ s ___ s 1500 s 2100 s
× __

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