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joko78 leapor

lkhant773

Published: 01 Jun 2018 › Updated: 01 Jun 2018joko78 leapor

joko78 leapor

.Choose the correct or the most appropriate answer for the following questions.
Write only the letter of the correct answer. (10 marks )
(1) A bag contains x red balls and 2 blues. A ball is chosen at random, given that the
probability that it will be red is 2/3 , then x=………
(2)

                x=…………..
                A. 2    B.3
                C. 4    D. 5
                E. None of these
(3) In the circle O, diameter AB= 20 cm, and chord AC= 16 cm, OP ⊥AC, then OP=……
      A. 8 cm    B. 7cm    C. 6cm    D. 5 cm    E. 4cm

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