化学方程式英文奥数题
1. An ant covers a distance of 90 metres in 3 hours. The average speed of the ant in decimetres per minute
is____.
2. The Ancient Romans ud the following different numerals in thei number system:
脚部护理They ud the numerals to make up numbers as follows:
So, for example, XCIX is 99.
What is the value of XLVI?
3. In a certain town some people were affected by a ’flu’ epidemic. In the first month 20% of the population
contracted the flu whilst 80% were healthy.I n the following month 20% of the sick people recovered and 20% of
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the healthy people contracted the dia. What fraction of the population is healthy at the end of the cond怎样学好拼音
month?
4. Mpho, Barry, Sipho, Erica and Fatima are sitting on a park bench.Mpho is not sitting on the far right.
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Barry is not sitting on the far left.Sipho is not sitting at either end. Erica is sitting to the right of
Barry,but not necessarily next to him. Fatima is not sitting next to Sipho.Sipho is not sitting next to
Barry.Who is sitting at the far right?
属虎和什么属相最配5. Of the 28 T?shirts in a drawer, six are red, five are blue, and the rest arewhite. If Bob lects T?shirts
at random whilst packing for a holiday, what is the least number he must remove from the
drawer to be sure that
he has three T?shirts of the same colour?
6. In an alien language, jalez borg farn means “good maths skills”. Nurf klar borg means“maths in harmony”男人能吃阿胶吗
and darko klar farn means “good in gold”.What is “harmony gold” in this language?
7. Five children, Amelia, Bongani, Charles, Devine and Edwina, were in the classroom when one of them broke a
window. The teacher asked each of them to make a statement about the event, knowing that three of them always编制定员
