Sharing your mathematics in MathYouLike

Lâm Phan Bình Nguyênasked a question

04/08/2017 at 20:36

1.In which row and in which column will the number,2008,appear?

A	B	C	D	E
	8	6	4	2
10	12	14	16
	24	22	20	18
26	28	30	32
…	…	…	…	…

Lâm Phan Bình Nguyênasked a question

04/08/2017 at 20:35

1.A mathematics competition consists of 10 questions.3 marks are awarded for answering a question correctly.2 marks will be deduced for a wrong answer.1 mark will be deducted for not answering a question.

How many students must have taken part in order to have at least four students of the same score?

Lâm Phan Bình Nguyênanswered a question

26/07/2017 at 14:30

The length of train B is equal to the distance two train travelled in 6 seconds.

48x2=96

96km/h=80/3 m/s

The length of train B=6x80/3=160m