Question

m) W the brain takes 2 hours less than the car, toch tows 3. Ora asegon
in x, and solve it
(iv) Hence, find the speed of the train
30. An aeroplane flying with a wind of 30 kan fotores 40 mundias less to y 3600, tra
what it would have taken to fly against the same wind. Find the plane's spotline
in still air
Hint
Let the speed of the plane in still air be x kan/h, then
31. A school bus transported an excursion party to a picnic spo 150 km away. We
returning, it was raining and the bus had to reduce its speed by 5 km/, and to
one hour longer to make the return trip. Find the time taken to them
32. A boat can cover 10 km up the stream and 5 km down the stream in 6 montre
speed of the stream is 15 km/h, find the speed of the boat in still water
33. Two pipes running together can fill a tank in 112 minutes omne postes
5 minutes more than the other to fill the tank, find the time in wnuch each pipe wi
fill the tank
Hint
Let the time taken by the two pipes to fill the tank bez minutes and a 5 minutes
1
1
then
x + 5
100
4.
(i) 480 is divided equally among 'x children. If the number of China 21
more, then each would have got 12 less. Find​

Answer 1

Answer:

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Answer 2

Answer:

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