Plus One Model Exam 2021 Question Papers and Answer Keys- Maths for Commerce Stream neenurm Golden Member Posts: 88 Threads: 45 Joined: Jul 2021 09-03-2021, 01:32 PM Download question papers and answer keys of First Year Higher Secondary Model Examination â€“ 2021 for Mathematics for Commerce stream students. The examination was held on 01.09.2021 Sample questions from Maths (Commerce) 1. (i) Write the negation of the statement â€œ5 is a prime numberâ€. Â  Â  (ii) Write the contrapositive and converse of the statement. Â  Â  â€œIf a triangle is equilateral then it is isoscelesâ€. 2. Â Find the mean deviation about mean for the data. Â Â Â Â  4, 7, 8, 9, 10, 12, 13, 17 3. Insert 6 numbers between 3 and 24 such that the resulting sequence is an A.P. 4. Â In how many of the distinct permutations of the letters in MISSISSIPPI do the four Iâ€™s not come together. 5. Expand (x + 2y)4 using binomial theorem The complete question paper and answer key can be downloaded from the links below.   Plus One Model exam 2021 Question Pape- Maths (Commerce).pdf (Size: 489.56 KB / Downloads: 2,095)   Plus One Model exam 2021 Maths (Commerce)- ANSWER KEY.pdf (Size: 1.1 MB / Downloads: 2,549)

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