I hope that you are enjoying solving tests given by me. But folks, I am also a human being. It will cost you nothing if you appreciate me but it will motivate me to do more for you. If you like or hate anything do say it via a comment. I'll accept it as it will be. Anyway, Here I am uploading Quant Injection for 17th May 2009.
Instructions:
1) The duration of this test is 50 minutes and the test is meant to be taken in one-go without any break(s).
2) This test has 25 questions. Each question carries +4 marks on answering correctly.
3) Wrong answer(s) carries negative mark that is progressive. For the 1st two wrong answers the negative marking is -1 each, and -1 more on the previous for each subsequent wrong answer. E.g. 5 wrong answers attract penalty of (-1*2 – 2-3-4 = -11 marks).
4) Use of slide rule, log tables and calculators is not permitted.
5) Use the blank space in the question paper for the rough work.
(1) There are 12 towns grouped into four zones with three towns per zone. It is intended to connect the towns with telephone lines such that every two towns are connected with three direct lines if they belong to the same zone, and with only one direct line otherwise. How many direct telephone lines are required?
(a) 72 (b) 90 (c) 96 (d) 108 (e) 120
(2) If logx/log10 - log√x/log10 = 2log10/logx, then a possible value of x is given by
(a) 10 (b) 1/100 (c) 1/1000 (d) 100 (e) exactly two of the foregoing
(3) ABCDEF is a regular hexagon. Points P and Q are on AB and CD respectively such that AP/BP = CQ/QD = 3. What is the ratio area(BPDC)/area(ABCDEF)?
(a) 5:24 (b) 11:54 (c) 19:96 (d) 5:27 (e) 7:32
(4) The set M consists of p consecutive integers with sum 2p. The set N consists of 2p consecutive integers with sum p. The difference between the largest elements of M and N is 9. Then p is
(a) 17 (b) 36 (c) 9 (d) 27 (e) 21
(5) The angle between the hour and minute hands of a standard 12-hour clock is exactly 1 degree. The time is an integral number n of minutes after noon (where 0 < ab =" a," bc =" b," dx =" (a)" x =" -|a|b,"> 0 (d) a – xb ≤ 0 (e) a > b
(12) A lecture room has a rectangular array of chairs. There are 6 boys in each row and 8 girls in each column. 15 chairs are unoccupied. How many distinct pairs of (row, column) can this lecture room have?
(a) 4 (b) 2 (c) 6 (d) 3 (e) 5
(13) Consider two different cloth cutting processes. In the first one, n circular cloth pieces are cut from a square cloth piece of side s in the following steps: the original square of side s is divided into n smaller squares, not necessarily of the same size; then a circle of maximum possible area is cut from each of the smaller squares. In the second process, only one circle of maximum possible area is cut from the square of side s and the process ends there. The cloth pieces remaining after cutting the circles are scrapped in both the processes. The ratio of the total scrap cloth generated in the former to that in the latter is: (∏ = circumference of the circle/diameter of the circle)
(a) 1:1 (b) √2:1 (c) n(4-∏)/(4n-∏) (d) (4n-∏)/n(4-∏) (e) 1:√2
(14) The remainder when x^100 (x > 0) is divided by x^3 + 1 is
(a) x^2 + x + 1 (b) x (c) x^3 – x + 1 (d) 2x^2 – 1 (e) -x
(15) Two stations A and B are 920 km apart. A train T1, which stops for 5 minutes in every town-station and for 3 minutes in every village-station started from A with a speed of 60km/h towards B and at the same time a train T2 with a speed of 80km/h which does not stop in any intermediate station started from B towards A. They met at C which is 560 km away from B. If the number of town-stations between A and C is less than the number of village-stations, then at least how many stations - town or village - are there between A and C? Assume T1 stops only at town or village-stations.
(a) 12 (b) 13 (c) 16 (d) 18 (e) 20
(16) What is the area enclosed by the graph of |x - 60| + |y| = |x/4|?
(a) 120 (b) 240 (c) 360 (d) 480 (e) 720
(17) In a triangle PQR, PQ = QR, S and T are points on PR and PQ respectively such that RQ = QS = ST = TP. Then
(a) (75, 90) (b) (105, 120) (c) (135, 150) (d) (120, 135) (e) none of the foregoing
(18) a, b, c, d, e, f, g are non-negative such that a+b+c+d+e+f+g = 1. Then the minimum value of max(a+b+c, b+c+d, c+d+e, d+e+f, e+f+g) is
(a) 1/3 (b) 3/7 (c) 1 (d) 0 (e) none of the foregoing
(19) Let the length of common tangents when two circles cut each other at a right angle be x. The length of common tangent when these two circles are separated so as to touch each other is
(a) √2x (b) (√2+1)x (c) √3x (d) (√3+1)x (e) (√5+1)x/2
(20) If a/(b+c) + b/(c+a) + c/(a+b) = 1, then (a^3 + b^3 + c^3)/abc is
(a) 0 (b) 1 (c) -3 (d) 3 (e) none of the foregoing
(21) Nokia manufactures mobile handsets and marks a price which is 8 times the manufacturing price, and prints it on the handset. They sell it to a distributor at a certain discount. The distributor then sells it to the wholesaler and offers him a discount equal to 3/4th of the discount that he received from the manufacturer. The wholesaler then sells it to the retailer at a discount equal to 2/3rd of the discount he received from the distributor. The retailer finally sells it to the customer at a discount equal to 1/2 the discount that he received from the wholesaler. If all the discounts are given on the price printed on the box and if the wholesaler made a profit of 50%, then who made the least profit?
(a) Manufacturer (b) Distributor (c) Wholesaler (d) Retailer (e) can not be determined
(22) Given a set of n rays in a plane, define a reversal as the operation of reversing precisely one ray and obtaining a new set of rays. If all the rays are reversed after 42 operations, then n can be
(a) 21 (b) 23 (c) 41 (d) 24 (e) At least two of the foregoing
(23) Quadrilateral ABCD is inscribed in a circle with diameter AD = 4. If sides AB=BC = 1 , then CD equals
(a) 5/2 (b) 4 (c) 3 (d) 5 (e) 7/2
(24) A task is assigned to a group of 11 men, not all of whom have the same capacity to work. Every day exactly 2 men out of the group work on the task, with no pair of men working together twice. Even after all the possible pairs have worked once, all the men together had to work for exactly one day more to finish the task. What is the number of days that will be required for all the men working together to finish the job.
(a) 11 (b) 21 (c) 33 (d) 12 (e) none of the foregoing
(25) Let x = (n^4 + 256 + 4n(n^2 + 16))/(n+4)^2. If 4 <= n^2 <= 49 then, (a) 12 <= x <= 147 (b) 28 <= x <= 95 (c) 12 <= x <= 37 (d) 12 <= x <= 95 (e) 28 <= x <= 147
*Note:- The answers for above test.
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