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ICSE Prelims 2017 : Mathematics (PREDICTIVE!!)

9 pages, 56 questions, 55 questions with responses, 203 total responses,    1    0
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Question 1 a) Answer the following questions based on Probability. Stating the sample space is a must. i) From a deck of 52 cards all prime numbered cards and all spades are removed. What is the probability that the card drawn is a) A face card , b) an even numbered black card, c) Neither a red nor a black queen. ii) Two dice are rolled. What is the probability that the two numbers add up to a prime number? iii) A teacher randomly selects students from a class of sixty students (25 girls and 35 boys) for a poetry elocution competition. However, only 17 girls and 20 boys are prepared for the competition. What is the probability that she selects an unprepared girl or a prepared boy for the competition? iv)What is the probability that a leap year will have 53 Mondays? [4] b) The simple interest in 3 years and the compound interest in 2 years on a certain sum at the same rate are Rs. 1200 and Rs. 832 respectively. Find i) The rate of interest, ii) The sum, iii) The difference between the CI and the SI on the same sum at the same rate for 3years. [3]

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