The mean of 1, 3, 5, 7 and x is 4. Find the value of x
2
4
6
8
A man bought a second hand photocopying machine for ₦34,000. He serviced it at a cost of ₦2,000 and then sold it at a profit of 15%. What is the selling price?
₦37,550
₦40,400
₦41,400
₦42,400
There are 250 boys and 150 girls in a school. If 60% of the boys and 40% of the girls play football, what percentage of the school plays football?
40.0%
42.2%
50.0%
52.5%
Find the median of 2, 1, 0, 3, 1, 1, 4, 0, 1, and 2
0.0
0.5
1.0
1.5
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