Questions

From Worst to Best

156 P6.SP.TL.18012263

Level 3
Jen and David started running together along a cross country track. When David completed the track in 40 minutes, Jen had run only ⁵₈ of the track. Jen’s average speed was 75 m/min slower than David’s.

How long was the cross country track in m?
Find Jen’s average speed in m/min.

3 m

Attempt

157 P6.AN.NK.21060931

Level 3 PSLE
EFG is an equilateral triangle and ABCD is a rhombus. DGH is a straight line. Find ∠z.

3 m

Attempt

Angles on a straight line Vertically opposite angles Angles sum of triangle Equilateral triangle Rhombus Angles at a point

158 P6.AN.JC.23031302

Level 3 PSLE
ABCD and BDEF are rhombuses. CGD is a straight line.

Find ∠DBG.
Find ∠CDE.

3 m

Attempt

Isosceles triangle Rhombus Angles sum of triangle Angles at a point

159 P6.SP.JC.21061118

Level 3 PSLE
Alice and Hilda started jogging from the same point of a 5 km track round a housing estate. They started at the same time but in opposite directions. Alice jogged past Hilda after 2 km. Both of them did not change their speeds throughout. Alice took 30 min to complete one round. What was Hilda's jogging speed in m/min?

3 m

Attempt

DST Triangle Average speed Same starting point Same starting time Opposite direction Circular track

160 P6.SP.TL.18012266

Level 3
At 7 a.m., a black car and a green car left the office and travelled at average speeds in opposite directions round a 25-km route. The black car took 15 minutes to complete each round while the green car took 20 minutes.

Find the speed of the black car.
Find the speed of the green car.
If the 2 cars travelled without any interval of rest, at what time would the 2 cars next meet again at the office?

3 m

Attempt