MEDIUM
8th ICSE
IMPORTANT
Earn 100

A train 140 m long passed an electric post in 7 seconds. The speed of the train is a km/h. Find the value of a

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Important Questions on Simple and Compound Interest

MEDIUM
8th ICSE
IMPORTANT
A train 140 m long passed an electric post in 7 seconds. How long would it take to pass a tunnel 160 m long?
MEDIUM
8th ICSE
IMPORTANT
A train passed a platform of length 210 m in  40 sec. and another platform of length  250 m in  44 sec. Find the speed and length of the train.
MEDIUM
8th ICSE
IMPORTANT
A train covered a journey of  90 km in 2 hr. It covers first 36 km in 10 m/s. Calculate the speed by which it covered the next part of the journey. Find also the average speed of the entire journey in m/sec.
MEDIUM
8th ICSE
IMPORTANT
A train, running at 50 km/hr, passed a man walking in opposite direction, on a path parallel to the railway track in 10 sec. Given that the man was walking at 4 km/hr, find the length of the train. (in metre)
MEDIUM
8th ICSE
IMPORTANT
A boat covers 48 km downstream in 4 hrs. If the speed of boat in still water is 4 km/hr, find the speed of stream. Find also the time to go back to the same distance.
MEDIUM
8th ICSE
IMPORTANT
The speed of boat in still water is 8 km/hr. It goes distance of 55 km in 5 hrs. Find the speed of stream. How long will it take to go 30 km upstream.
MEDIUM
8th ICSE
IMPORTANT
In a factory,8760 tins of biscuits were packed in a day. If the normal quantity is  9000 per day. Find the reduction in percentage.The next day 3% more tins than the normal quantity were packed. How many tins were packed in that day.
EASY
8th ICSE
IMPORTANT
Niraj scored 15 marks out of 25, while Suraj scored 35 marks out of 60. Who has scored a better percentage.