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E:\Working\Focus_Learning\Math_Genius_5_(05-10-2023)\Open_Files\CHAP_09
\\November 23, 2023 10:50 AM Surender Prajapati Proof 5 Reader _________________________ Date: ___________________74

Chapter assessment
1. read the above paragraph and choose 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 New Delhi
at 0855 hours.

(a) The time 1730 as per a 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 24-hour clock is _____.

(i) 1545 hours (ii) 1645 hours (iii) 1545 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 5th September 2013 and left it on 3rd January 2022. How
long did he work for the company?
th
4. Riya is an 11-year-old student of class V, her winter vacations was from 5 December,
th
2022 to 12 January, 2023. For how many days her school was closed?
th
5. Salman and Sophia are siblings. Salman was born on 8 April, 2003 and his sister
rd
Sophia was born on 3 March, 2011. Who is younger among them and what is their
age difference? CompeTenCy based QuesTion
6. The temperature of tea during making period is 100°C. If the tea loses 10°C temperature
every minute after making, how much time does it take to reach 30°C?

7. Mehul loves to drink hot chocolate milk at night when she goes to sleep. She measured
the temperature of her milk and found that it was 147°F. After an hour, it get cooled
by 21°C. What was the temperature of the milk in °F CompeTenCy based QuesTion
after an hour?
8. The maximum temperature of a week is 42°C and minimum temperature is 22°C.
What is the difference between these temperatures in Fahrenheit scale?
9. Ram is suffering from fever as his body temperature is 4°F more than normal
temperature. What is the temperature of Ram’s body? Write your answer in °C.

10. A television channel telecasts an 18-second advertisement after every half an hour.
For how many minutes in a day advertisements are telecast on the channel?

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