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Two equal circles are cut out of a rectangle of card of dimensions 14 by 7. The circles have the maximum diameter possible. What is the approximate area of the paper remaining after the circles have been cut out?
A. 21
B. 23
C. 17
D. 22 |
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Two equal circles are cut out of a rectangle of card of dimensions 16 by 8. The circles have the maximum diameter possible. What is the approximate area of the circles? Leave answer in terms of pi.
A. 30(pi)
B. 32(pi)
C. 34(pi)
D. 36(pi)
A. |
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Which of the following could not be the sides of a right triangle?
A. 3, 4, 5
B. 5, 12, 13
C. 8, 15, 17
D. 12, 15, 20 |
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| In a test a student got a mark of 60. His report card showed that he had scored 80 per cent. What was the maximum mark on the test? |
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| A bag contains 3 red, 7 blue and 10 white beads. If one bead is drawn from the bag what is the probablity that it is red or white? |
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