Subject Mathematics | |||
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751. How many tiles each of 1 square foot are necessary to form a 1 foot border around the inside of 24 feet room? | |||
(a) 36 | |||
(b) 37 | |||
(c) 72 | |||
(d) 74 | |||
(e) None of these | |||
Ans. c | |||
752. Which equation gives the relationship between R and S in the table below? R 1 2 3 4 5 6 S 2 5 8 11 14 17 | |||
(a) S = 2R | |||
(b) S = +1 | |||
(c) S= 3R - 1 | |||
(d) S= 2R + 5 | |||
(e) None of these | |||
Ans. c | |||
753. If -1 < x ≤ 1 and x is an integer, then value of x is | |||
(a) O only | |||
(b) 1 only | |||
(c) O and 1 | |||
(d) One value more than 1 | |||
(e) None of these | |||
Ans. c | |||
754. In a factory there are 3 machines to perform a job. The newest machine can do the job in 3 days, another machine can do it in 4 days, and the third machine can do it in 6 days. How many days will the factory take to do the job using all three machines together? | |||
(a) 1.333 | |||
(b) 4.333 | |||
(c) 6 | |||
(d) 13 | |||
(e) None of these | |||
Ans. a | |||
755. A collection of books went on sale and 2/3 of these were sold for Tk. 2.30 each. If none of 36 remaining books were sold, what was the total amount received from the number of books sold? | |||
(a) 180 | |||
(b) 135 | |||
(c) 90 | |||
(d) 60 | |||
(e) None of these | |||
Ans. e | |||
756. If b>2 and 2x -3b= 0, which of the following must be true? | |||
(a) x>-3 | |||
(b) x<2 | |||
(c) x=3 | |||
(d) x<3 | |||
(e) None of these | |||
Ans. d | |||
757. If x +y > 4 and x < 3, then y > 1 is true. | |||
(a) always | |||
(b) only if x < 0 | |||
(c) only if x > 0 | |||
(d) only if x = 0 | |||
(e) None of these | |||
Ans. a | |||
758. If point P is on line AB, which of the following is a always true? | |||
(a) AP = PB | |||
(b) AP > PB | |||
(c) PB > AP | |||
(d) AB > AP | |||
(e) None of these | |||
Ans. d | |||
759. In a group of 15 high school students, 7 study Latin, 8 study French and 3 study neither Latin nor French. How many students study both Latin and French? | |||
(a) 3 | |||
(b) 0 | |||
(c) 4 | |||
(d) 6 | |||
(e) None of those | |||
Ans. a | |||
760. If 4x -7< 2x + 13, then which of the following must be true? | |||
(a) x < 7 | |||
(b) x < 13 | |||
(c) x > 9 | |||
(d) only if > 10 | |||
(e) None of these | |||
Ans. b | |||
761. If x+y > 4 and x < 3 then y > 1 is true | |||
(a) always | |||
(b) only if x > 0 | |||
(c) x > 0 | |||
(d) Only if x = 0 | |||
(e) Never | |||
Ans. a | |||
762. Increasing the original price of an item by 15 percent and then increasing the new price by another 15 percent is equivalent to increasing the original price by | |||
(a) 32.25% | |||
(b) 31.00% | |||
(c) 30.25% | |||
(d) 35.54% | |||
(e) None of these | |||
Ans. a | |||
763. Suppose you have Tk. 500 to spend on beef and chicken. Beef costs Tk. 110 per kg and Chicken costs Tk. 85 per kg. Write an expression that must be satisfied if you are to consume x kg beef and y kg chicken. | |||
(a) 110 x + 85 y > 50 | |||
(b) 110 x +85 y < 500 | |||
(c) 110 x +85 y ≥ 500 | |||
(d) 110 x +85 y ≤ 500 | |||
(e) None of these | |||
Ans. d | |||
764. A hawker takes 1.25 hours to deliver newspapers on his route. Another hawker takes 15 minutes longer to deliver these papers on the same route. How long would it take to deliver the papers if both of them worked together? | |||
(a) 22.25 min | |||
(b) 37.5 min | |||
(c) 40 min | |||
(d) 65 min | |||
(e) None of these | |||
Ans. c | |||
765. Lines joining points (-4,0), (0,5) and (4,0) will form | |||
(a) a circles | |||
(b) a right triangle | |||
(c) a rectangle | |||
(d) an isosceles triangle | |||
(e) None of these | |||
Ans. d | |||
766. If x > 10 and y < 7, which of the following must be true? | |||
(a) x + y ≥ 3 | |||
(b) x + y ≤ 7 | |||
(c) x – y ≥ 3 | |||
(d) x - y ≤ 3 | |||
(e) None of these | |||
Ans. c | |||
767. A manufacturer of TV wants to make a profit of Tk. 300,000 on sale of 200 TV sets. It costs Tk. 10,000 each to make the first 100 TV sets and Tk. 7,500 each to make TV sets after the first 100 sets. What should be the selling price of each TV sets in Taka? | |||
(a) 10,250 | |||
(b) 10,350 | |||
(c) 10,500 | |||
(d) 10,600 | |||
(e) None of these | |||
Ans. a | |||
768. The sum of the base angles of a triangle is 140° and their difference is 40°. The angles of the triangle are: | |||
(a) 90°, 50°, 40° | |||
(b) 100°, 40°, 40° | |||
(c) 80°, 40°, 60° | |||
(d) 110°, 30°, 40° | |||
Ans. a | |||
769. If 2x-1 + = 320, then the value of x is ; | |||
(a) 6 | |||
(b) 8 | |||
(c) 5 | |||
(d) 7 | |||
Ans. d | |||
770. Two numbers are in ratio of 3: 5. If each is increased by 10, the ratio becomes 5:7. The numbers are : | |||
(a) 3,5 | |||
(b) 12,20 | |||
(c) 15,25 | |||
(d) 30,42 | |||
Ans. c | |||
771. The area of a triangle whose sides are of lengths 12 cms, 5 cms, and ratio becomes 5.7. The numbers are: | |||
(a) 30cms | |||
(b) 40cms | |||
(c) 50cms | |||
(d) None of these | |||
Ans. a | |||
772. The price of rice has increased by 60%. In order to restore to the original price, the new price must be reduced by: | |||
(a) 33.33% | |||
(b) 37.50% | |||
(c) 40 % | |||
(d) None of these | |||
Ans. b | |||
773. The average age of group of 10 students is 15 years. When 5 new students jointed the group, the average age rose by 1 year. The average age (in years) of the new student is: | |||
(a) 18 years | |||
(b) 17 years | |||
(c) 16 years | |||
(d) None of these | |||
Ans. a | |||
774. The value of (-11) +(-12) +(+13)+…………..(-110) is : | |||
(a) -5050 | |||
(b) -6060 | |||
(c) -7070 | |||
(d) None of these | |||
Ans. d | |||
775. The ratio of radii of two circles is 1: 3, the ratio of their areas is: | |||
(a) 1:3 | |||
(b) 1:6 | |||
(c) 1: 9 | |||
(d) None of these | |||
Ans. c |