Is ans 19/30?

Chai Krub.

Since both ice cream are equal at first, Vanilla ice cream left: 2/5 x 1/2 = 1/5 Chocolate ice cream left: 1/3 x 1/2 = 1/6 Total ice cream left: 1/5 + 1/6 = 6/30 + 5/30 = 11/30 Total ice cream eaten: 1 - 11/30 = 19/30

Why X1/2?

Since they wanted to count both flavours as total ice cream, hence equal amount of ice cream will be 1/2 for each flavour.

K. Tks

I'm not sure how upp pri kids are taught to solve this kind of problem, but this is how my P3 boy was taught to solve...

Caryn Mok : from the work done by your son it is clear that he understands the dynamics of how the fractions are related in this question. He can probably solve it without the help of the model. Jason Oon has illustrated how it is done.

Caryn Mok's son : good job!

Tks Caryn.

Did not show the movement of ken's book since they all eventually went back to Ken.

Thanks Yeo See Yeong!

If Brandon is 19th and there are six people between him and Aden, then Aden is in the 12th position. Since Aden is in the middle, there are 11 in front and 11 behind him. So there are 23 people in the queue.

Thanks

You're welcome.

Missing info?

That was what was printed. Unless something was omitted accidentally during the printing?

Seems like something was omitted. Nothing mentioned about the angle 'between' v and z?

Correction tape might have erased something

That was our correction tape. There was nothing over it.

Then i think this question is ambiguous. :)

I agree there isn't enough information.

Correct answer is in the options given. At first glance, we can guess that Angle WV, ANGLE YZ and ANGLE X should be 90 degrees. So, YZ lor. Tio boh?

I didn't think you could assume anything from the drawing. Mostly there are instructions that indicate diagrams are not drawn to scale.

This is Logical. haha. Anyway, which level is this and whether it is linked to earlier questions? If not, I stand by my answers. All other answers can't give a definite 90 degree...mine too. But I believe mine is the nearest. hahaha

Question only said there were 2 straight lines. So the other 2 unnamed line segments may not be straight lines.

Tio! The answer is YZ. I am foxed too how they arrived at the answer key. Maybe something was omitted during the printing. It's a P6 qn.

If yz is the answer, option 2 and 3 are correct too.

If yz is the answer, option 2 and 3 are correct too.

Pure process of elimination. For Option (2) & (4), if u say y+z=90, then w+y=90 (w=z, vertically oppo angle). Since it's MCQ, two options that are the same means u eliminate both. By inspection, (1) doesn't seem possible, since resulting angle looks obtuse. So only option left is v+z, option (3), as the unlabeled line was never stated to be a straight line, regardless of what it looks like. And the answer given is y+z? I don't know how to explain the given answer. 😛

Use Protractor? Hrhehehe

^ but that still wouldn't lead to y+z being the answer...

Maybe the question should be " which two angles do not add up to 90 deg"

Wai Yen is right. The correct answer is VZ. Sorry, I gave the wrong answer initially.

CD and MN are straight lines. The nameless line is slightly crooked. How? Hahaha. I still stand by Y and Z. Simply because and assuming that all answers are wrong, it would be the closest to the right answers. If W and X equals 90, then v and y, v and z are also 90 because each is 45 deg. Which means 3 options correct. If V and Z are 90, it would mean that Nameless angle and X are 90 too. Meaning w and y is also correct. So, also salah. The closest answer is therefore still y and z.

Another possible answer...teacher Hantam answer.