DIMA ACADEMY(01-4241350) CADET ENTRANCE PREPARATION CLASS Model Test -2(Mathematics) Objective(20x1=20) Time:15 minutes 1. Which of the following set is a null set ? a. A ={x:x3} b. B = {x : x2=9} c. C = {x : x2+4 = 0 and x € R} d. D={x:x is an even prime no} 2. A watch loses 1 hour 20 minute in a week. How much does it lose in 48 hours. a. 22 min 50 sec. b. 22 min 20 sec c. 22 min 51 sec d. 22 min 03 sec 3. If 4/5 parts of total income was spent, what % was saved ? a. 20% b. 40% c. 30% d. 80% 4. If a sum of money double in 5 years with simple interest. Find the rate of S.I ? a. 45% b. 40% c. 30% d. 20% 5. The marked price of an article is Rs. 1080 and sells by allowing 20% discount. Find the actual selling price. a. 800 b. 864 c. 1296 d. 1200 6. What is the T.S.A of hemisphere whose radius is 7 cm ? a. 462cm2 b. 196 cm2 c. 98cm2 d. 147 cm2 7. If a be the side of an equilateral triangle its height is given by. a. √3/4a b. √3/2a c. 2/√3a d. √3/4a2 8. The T.S.A of a right circular cylinder is a. 2πrh b. 2 πr(r+h) c. π(r+h) d. πr2h 9. Volume of half right circular cylinder is a. πr2h b. 1/2 πr2h c. 2/3 πr2h d. 1/6 πr2h 10. If 〖27〗^(x/3) = 1/3 , then x = .................. a. -1 b. 0 c. 0 d. 3 11. The length of rectangle is 3m greater than its breadth. If perimeter is 22 m, what is its area. a. 66cm2 b. 28 cm2 c. 28 cm3 d 66cm3 12. If √(2a-1)=3 find the value of a. a. 2 b. 3 c. 4 d. 5 13. What is the solution of x + √x = 12 a. 16 b. 18 c. 4 d. 9 14. If 1, a, 5, 15 are in proportional than a = ? a. 0 b . 3 c. 2 d. 10 15. Position of third quartiles for continuous data is a. 3 ((n+1)/4) th term b. (3n/4) th term c. (n/4) th term d. (n/2) th term 16. What is the median of the given data 17,12,16,15. a. 13.5 b. 14 c. 15.5 d. 16.5 17. O is the center of a circle. Name the shaded portion. a. Sector b. Segment c. Semicircule d. Art 18. In the given figure PQ = QR = RS = SP Find the
Posted on: Mon, 12 Aug 2013 04:59:47 +0000
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