Classification of Word Problems on Speed

Classify the following word problems on Speed into Type 1, Type 2, Type 3, or Type 4.

Mr Kumar travelled a distance of 360 km from Town A to Town B.  For the first 2 h, he travelled at an average speed of 75 km/h.  He then continued at an average speed of 60 km/h until he reached his destination.  How long did he travel at the average speed of 60 km/h?

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• Type 4

Classify the following word problems on Speed into Type 1, Type 2, Type 3, or Type 4.

The distance between Town A and Town B is 450 km.  A car started from A and travelled towards B at a uniform speed of 90 km/h.  At the same time, a bus started from B and travelled towards A at a uniform speed of 60 km/h.  What distance had they each travelled when they passed each other on the way?

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Classify the following word problems on Speed into Type 1, Type 2, Type 3, or Type 4.

A car took 8 hours to travel from Town A to Town B.  A lorry took 12 hours to travel from Town B to Town A.  Both the car and the lorry started at 9.00 a.m.  At what time did they pass each other on the way?

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Classify the following word problems on Speed into Type 1, Type 2, Type 3, or Type 4.

A car and a lorry were travelling towards Sunshine Park.  When the car overtook the lorry, they were 240 km away from Sunshine Park.  The car arrived at Sunshine Park 2 hours earlier than the lorry.  When the car reached Sunshine Park, the lorry was still 80 km away.  Find their speeds.

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Classify the following word problems on Speed into Type 1, Type 2, Type 3, or Type 4.

Mr Lim was travelling from Town A to Town B at an average speed of 50 km/h and, at the same time, Mr Tan was travelling from Town B to Town A at an average speed of 58 km/h.  They met at a place which was 20 km away from the midpoint of Town A and Town B.  Find the distance between Town A and Town B.

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Classify the following word problems on Speed into Type 1, Type 2, Type 3, or Type 4.

At noon, a van starts to travel from Town A to Town B at a uniform speed.  One hour later, a car starts from Town A and travels along the same road.  It overtakes the van at 4 p.m.  If the speed of the car is 20 km/h greater than the van, find the speed for the van.

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Classify the following word problems on Speed into Type 1, Type 2, Type 3, or Type 4.

A lorry, which left Site A for Site B at 12.30 p.m., travelled at a constant speed of 48 km/h. At 3.30 p.m., a van also left Site A for Site B using the same route.  If the van took 3 hours to catch up with the lorry, find the average speed of the van.

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Classify the following word problems on Speed into Type 1, Type 2, Type 3, or Type 4.

A motorist travelled on an expressway for 2 h at 80 km/h.  He then travelled for another 3 h at 70 km/h. 

(a)  Find the total distance travelled.

(b) Find the average speed for the whole journey.

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Classify the following word problems on Speed into Type 1, Type 2, Type 3, or Type 4.

Mr Ma took 5 h to travel from Singapore to Town X.  He drove an average speed of 72 km/h for the first 2 h.  For the rest of the journey, he drove at an average speed of 75 km/h.  Find the distance between Singapore and Town X.

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