Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

ICSE Class 7 Answered

The train passes through a tunnel 1.05 km long the guard find that he remains in the Tunnel for 31.5 seconds find the speed of the train in kilometre per hour.
Asked by Swamivaishali1988 | 08 Jul, 2023, 10:39: PM
answered-by-expert Expert Answer
Length space of space the space tunnel space equals space 1.05 space km Time space taken space to space pass space the space tunnel space equals space 31.5 space seconds equals fraction numerator 31.5 over denominator 3600 end fraction space hours Speed space of space the space train equals Distance over Time equals fraction numerator 1.05 over denominator begin display style fraction numerator 31.5 over denominator 3600 end fraction end style end fraction equals fraction numerator 1.05 over denominator 31.5 end fraction cross times 3600 equals 105 over 3150 cross times 3600 equals 120 space km divided by hr
Answered by Rashmi Khot | 09 Jul, 2023, 01:23: PM

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
ICSE 7 - Maths
Rohit covers a distance of 140m with the speed of 75km/h. How much extra time will he take to cover a distance of 400m with the same speed.
Asked by chris.monicapinto | 25 Oct, 2023, 07:15: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 7 - Maths
A train covers a distance of 670 km in 6 h 5 min. If it covers the first 390 km of the journey at 90 km/h, find its speed for the whole journey
Asked by lakshmipalaparthi1990 | 23 Oct, 2023, 08:10: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 7 - Maths
The train passes through a tunnel 1.05 km long the guard find that he remains in the Tunnel for 31.5 seconds find the speed of the train in kilometre per hour.
Asked by Swamivaishali1988 | 08 Jul, 2023, 10:39: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 7 - Maths
Radha  can embroider a shawls in 10 days. Saroj  can embroider a same shawls in 12 days .how much time they would take working together to embroider  10 shawls.  
question image
Asked by binapanimahato58 | 10 Jun, 2023, 01:11: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 7 - Maths
Which is faster 15 km/h or 15 m/s  
Asked by nair.vinita78 | 14 Dec, 2021, 03:26: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 7 - Maths
(1) A 110-m-long train travels at 30 km/h. How long will it take to cross a 90 m long?
Asked by anuradhaenterprises10 | 11 Nov, 2021, 10:01: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 7 - Maths
A child cycles at a speed of 4 m/s how much distance will he cover in 2 minutes 
Asked by madhubawkar | 18 Mar, 2021, 01:12: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 7 - Maths
How can I convert 1.5m/s to km/h ?  
Asked by trishakhanna0508 | 11 Nov, 2020, 03:19: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 7 - Maths
Mohan travels in an aeroplane at a distance of 1200 km for the first half of the distance the plane flies at a speed of 900 km per hour and to the rest of the distance is flies at a speed of 750 kilometre per hour how long does the Trip take
Asked by arpanmaity1205 | 27 Sep, 2020, 06:31: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
ICSE 7 - Maths
72 km/hr to m/s
Asked by mymisssaumya | 23 Sep, 2020, 01:33: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Get Latest Study Material for Academic year 24-25 Click here
×