Uncle Joe:

abc_parent:

Hi gurus,

I have some questions from various papers 1.

NanHua SA1 2009

Q14) Adrian and Bob started driving at the same time. Bob took 6 hours to complete his journey while Adrian took 9 hours to complete his. After 3 hours ,the two men were left with the same distance to complete. What is the ratio of the distance of Bob's journey to the distance of Adrian's journey?

Ans: 4:3


Nan Hua Prelims 2009

Q14) Which one of the following shapes does not tessellate? -> I don't have picture so please help if you can.

Ans: (4) is the given answer correct?

Catholic High Prelims 2009

Q30) A man travels from Town X to Town Y at 4km/h and from Town Y to Town X at 6 km/h via the same route. The whole journey takes 45 minutes. Find the distance from Town X to Town Y.

Ans: 1.8km (how? I got 3.8km)
I got 1.8Km
speed:
4:6
2:3
Time:
3:2
so take 45min divide by (3+2) then multyply by 3 or 2.
the rest go and think about it
SCGS Prelims 2009

Q15) Alan completed a race in 1h 40 min. In the race, the ran at an average spped of 30m/min from Point A to Point B and then ran back from Point B to Point A at an average speed of 20m/min. How long did he take to run back to Point A from Point B?

Ans: I don't have it. Choices of 40 min, 50 min, 60 min, 100 min.
I think is 60 min
Nanyang Prelims 2009

Q15)This question has a diagram. Please help if you have the exam paper.
The 4 containers below each contains the same amount of water with different number of objects. What is the volume of object Y?

Ans: Given answer is 80 cubic cm.

abc_parent:

Hi gurus,

I have some questions from various papers 1.

NanHua SA1 2009

Q14) Adrian and Bob started driving at the same time. Bob took 6 hours to complete his journey while Adrian took 9 hours to complete his. After 3 hours ,the two men were left with the same distance to complete. What is the ratio of the distance of Bob's journey to the distance of Adrian's journey?

Ans: 4:3


Nan Hua Prelims 2009

Q14) Which one of the following shapes does not tessellate? -> I don't have picture so please help if you can.

Ans: (4) is the given answer correct?

Catholic High Prelims 2009

Q30) A man travels from Town X to Town Y at 4km/h and from Town Y to Town X at 6 km/h via the same route. The whole journey takes 45 minutes. Find the distance from Town X to Town Y.

Ans: 1.8km (how? I got 3.8km)

SCGS Prelims 2009

Q15) Alan completed a race in 1h 40 min. In the race, the ran at an average spped of 30m/min from Point A to Point B and then ran back from Point B to Point A at an average speed of 20m/min. How long did he take to run back to Point A from Point B?

Ans: I don't have it. Choices of 40 min, 50 min, 60 min, 100 min.
I think is 60 min
Nanyang Prelims 2009

Q15)This question has a diagram. Please help if you have the exam paper.
The 4 containers below each contains the same amount of water with different number of objects. What is the volume of object Y?

Ans: Given answer is 80 cubic cm.