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ICSE Prelims 2018 : Mathematics (Narbheram Hansraj English School (NHES), Jamshedpur)

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Narbheram Hansraj English School (NHES), Jamshedpur
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NARBHERAM HANSRAJ ENGLISH SCHOOL BISTUPUR, JAMSHEDPUR PRE-BOARD 20% TEST 2015-16 MATHEMATICS STD. 10 ABCD Q1. F.M.20 A page from the passbook of a savings book account in a particular years is given below : Date Jan. 3 Feb. 13 March 24 March 31 May 20 July 7 July 18 Sept. 15 Sept. 26 Particulars By Cash To Self By Cheque By Interest By Cash To Cheque By Cash To Cheque By Cheque Debit (Rs.) Credit (Rs.) 5,000 Balance (Rs.) 5,000 1,000 2,000 800 1,400 1,600 3,200 2,350 If the interest is calculated at 6% p.a. and is compounded at the end of March and September every year, find the amount that the account holder would have received had he closed the account on 20th Oct. the same year. [5] Q2. Given below is the sale (in rupees per hour) of 40 stationary shops in a locality. If the average sale per hour has been calculated to be Rs.21. Find the missing frequencies given that f1 : f2 = 3 : 4. [5] Sale (in Rs. / Hour) Below 8 Below 16 Below 24 Below 32 Below 40 Q3. Number of shops 5 14 f1 f2 40 Marks obtained by 200 students in examination are given below :- Marks No. of students 0 10 5 10 20 10 20 30 30 40 14 21 40 50 25 50 60 34 60 70 36 70 80 27 80 90 16 90 - 100 12 Using graph paper draw an ogive for the given distribution taking 2 cm = 10 marks on one axis and 2 cm = 20 students on the other axis. From the graph find : i) the median ii) the upper quartile iii) number of students scoring above 65 marks. iv) If 10 students qualify for merit scholarship, find the minimum marks required to qualify. [6] P.t.o.

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