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# ICSE Class IX Prelims 2021 : Mathematics (Convent of Jesus and Mary School (CJM), Ranaghat, Nadia)

3 pages, 20 questions, 0 questions with responses, 0 total responses,    2    0
 Shambhu Dutta Convent of Jesus and Mary School (CJM), Ranaghat, Nadia
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CONVENT OF JESUS & MARY HIGH SCHOOL, RANAGHAT Half Yearly Examination (Online) Class IX F. M. 40 Subject Mathematics Time 2 hrs. 1) There are 20 questions. Each question carries 2 marks. Attempt all questions. 2) Do the work out in a loose sheet or copy, then scan and convert it to a single PDF file and send it to my email id. 3) Also fill up the multiple choice OMR sheet whose link is provided. Answers in the OMR sheet will be checked first and if is correct then the rough work will be checked for the procedure and if it is correct then only marks will be awarded. _________________________________________________________________________ 1) If x 3 2 and y 3 2 3 2 3 2 Find the value of x2 + y2 is 2) If 1 48 14 b 3 5 3 4 2 72 108 8 2 then the value of b is 3) If m = 3 5 , then the value of m2 5m + 5 + 1 4) If x + y + z = 0, then the value of x 2 y2 z2 is yz xz xy 5) If a 4 1 a 4 = 23, find the value of a 3 1 a3 6) Factorise a4 + 4 7) Solve : 3 m 5 n = 1 and 2m = n 3

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