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SMT. SULOCHANADEVI SINGHANIA SCHOOL, THANE Class Subject Exam Date Marks Time 10 Mathematics Prelim 19.01.2018 80 2 Total No. of printed sides 4 Set B General Instructions: 1. Attempt all questions from section A 2. Attempt any 4 complete questions from section B 3. All working, including rough work must be clearly shown and must be done on the same sheet as the rest of the answer. 4. Omission of essential working will result in loss of marks. 5. Mathematical tables are provided. SECTION A (40 MARKS) Attempt all questions from this section Question 1 A) The marked price of an article is Rs. 4500 and the rate of tax is 8% . A shopkeeper buys it at a discount and sells it to a customer at marked price. If the shopkeeper pays a VAT of Rs. 72 to the Government. Find the following: i) The price paid by the shopkeeper inclusive of tax ii) The % of discount received by the shopkeeper. [3] B) Mr. Sham opened a cumulative deposit scheme with a bank for 3 years. If the rate of interest is 8 % per annum and the bank pays Rs. 1776 as interest at the time of maturity, find the money deposited monthly and the maturity value he receives at the end of 3 years. [3] ) is a factor of the polynomial C) If ( ) find the value of a and 30 when divided by ( and it leaves a remainder [4] Question 2 A) Solve the following quadratic equation and give your answer correct up to two decimal places : [3] B) Prove the following identity : [3] C) If A = [ ] and B = [ ] find the values of a and b if BA = [ ] [4]
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