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ICSE Class X Board Exam 2018 : Chemistry

22 pages, 23 questions, 0 questions with responses, 0 total responses,

Kanishka Srivastava
R. V. S. Academy (RVS), Jamshedpur

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X - ICSE Board Mathematics - Question Paper Solutions Date: 27.02.2018 SECTION - A (40 Marks) Attempt all questions from this Section Question 1 (a) Ans. Find the value of x and y if : x 2 9 7 6 7 10 7 y 5 4 5 22 15 x 2 9 7 6 7 10 7 y 5 4 5 22 15 [3] 14 6 7 10 7 2x 18 2 y 10 4 5 22 15 14 7 10 7 2x 6 18 4 2 y 10 5 22 15 Using equality of matrix 2 x 6 10 and 2 y 10 5 15 2 x 4 2 y 5 15 x 2 2 y 20 y = 10 (b)Sonia had a recurring deposit account in a bank and deposited Rs. 600 per month for 21/2 years. If the rate of interest was 10% p.a., find the maturity value of this account. [3] Ans. Recurring deposite = 600 per month Period = 21/2 yrs = 30 months R.O.I = (r) = 10% Total principal per 1 month www.vedantu.com 1

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