1、An ant covers a distance of 90 metres in 3 hours. The average speed of the ant in decimetres per minute is____.
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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 the following month 20% of the sick people recovered and 20% of the healthy people contracted the fraction of the population is healthy at the end of the second month?
4、Mpho, Barry, Sipho, Erica and Fatima are sitting on a park is not sitting on the far right. Barry is not sitting on the far o 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 o is not sitting next to is sitting at the far right?
5、Of the 28 T?shirts in a drawer, six are red, five are blue, and the rest arewhite. If Bob selects 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 meansmaths in harmony and darko klar farn means good in 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 lie and two always tell the truth. Their statements were as follows:Amelia: Charles did not break it, nor did ani: I didnt break it, nor did les: I didnt break it, but Edwina ne: Amelia or Edwina broke na: Charles broke broke the window?
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