Subject Mathematics
1226. If the annual interest rate decreases from 4% to 3.75%, income of a person reduces by Tk.60.what is his principal?
(a) Tk. 22,00
(b) Tk. 650
(c) Tk. 575
(d) Tk. 600
(e) None of these
Ans. c
1227. Seven friends are having lunch together in a fast food shop. Each of them eats at least 3/5th of pizza. What is the smallest number of whole pizzas needed for their lunch?
(a) 7
(b) 5
(c) 6
(d) 28
(e) None of these
Ans. b
1228. 20 workers can finish a task in 30 days. How many additional workers are needed to finish the same task in 25 days?
(a) 6
(b) 8
(c) 10
(d) 12
(e) None of these
Ans. e
1229. A class of 120 has 25% girls. If 10% of the boys and 20% of the girls attended a picnic then what percentage of the class attended the picnic?
(a) 20%
(b) 25%
(c) 13%
(d) 12.5%
(e) None of these
Ans. d
1230. At a fashion house, shirts are sold for 25% less than the tag price. If a shirt costs Tk. 144, what will be the tag price to make a 25% profit on its cost?
(a) Tk. 240
(b) Tk. 180
(c) Tk. 225
(d) Tk. 196
(e) None of these
Ans. a
1231. Increasing the original price of an item by 20% and then decreasing the price by 20% is equivalent to which of the following?
(a) 4% decrease
(b) 5% increase
(c) Original price
(d) 5% decrease
(e) None of these
Ans. a
1232. If -8 ≤ x ≤ 8 and 0 ≤ y ≤ 14 ,what is the greatest possible value of (y-x)?
(a) 22
(b) 8
(c) 6
(d) -8
(e) None of these
Ans. a
1233. The value of 0.4 x 0.04x0.004x 40 is
(a) 0.00256
(b) 0.000256
(c) 0.0256
(d) 0.256
(e) 2.56
Ans. a
1234. The ratio of boys and girls in a class is 1 : 2 and the classroom has 24 students. How many boys would have to be admitted to make ratio of boys to girls 1:1?
(a) 6
(b) 8
(c) 10
(d) 12
(e) 14
Ans. b
1235. If x = 1 x , then what can be the value of x?
(a) 1
(b) -1
(c) 1 or -1
(d) 2
(e) none of these
Ans. c
1236. If a plane can travel P miles in Q hours, how long will it take to travel R miles?
(a) PQ R hours
(b) P QR hours
(c) PR Q hours
(d) QR P hours
(e) Q PR hours
Ans. d
1237. In a certain class 40% of the students are girls, and 20% of the girls wear glasses. What percent of students in the class are girls who wear glasses.
(a) 6%
(b) 8%
(c) 20%
(d) 6%
Ans. e, None of these
1238. If the area of a circle is 25π then diameter of the circle is -
(a) 6
(b) 10
(c) 20
(d) 25
(e) 50
Ans. b
1239. Which of the following fraction is the smallest?
(a) 2 9
(b) 5 8
(c) 1 2
(d) 7 12
(e) None of these
Ans. a
1240. If B = 0, A> 1 and C > 1, then which of the following is correct?
(a) A (B+C) < B (A+C)
(b) A (B+C) > (C+A)
(c) C(B+C) = B(B+C)
(d) B (A+C)
(e) None of these
Ans. d
1241. Which of the next number in the series? 2, 5, 7, 8, 8 ……
(a) 6
(b) 7
(c) 10
(d) 11
(e) None of these
Ans. b
1242. In the figure below, if the area of the square OPQR is 2, find the area of the circle with centre O.
(a) 2
(b) 4
(c) π
(d) 2π
(e) None of these
Ans. d
1243. If X, Y and Z are chosen from the three number 2. -3 and 1 2 , then what is the largest possible value of the expression X Y × Z²?
(a) -3 8
(b) 16
(c) 24
(d) 36
Ans. d
1244. A warehouse has 20 packers. Each packer can load 1 8 of a box in 9 minutes. How many boxes can be loaded in 1 1 2 hours by all 20 packers?
(a) 1 1 4
(b) 12 1 2
(c) 25
(d) 20
Ans. c
1245. A motorcycle cost Tk. 2500 when it is brand new. At the end year it is worth 4 5 of what it was at the beginning of the year. What is the motorcycle worth when it is 3 years old?
(a) Tk. 1,000
(b) Tk. 1,200
(c) Tk. 1,340
(d) Tk. 1,430
Ans.
1246. 1 1 1 x x + y = ?
(a) x
(b) y
(c) x x + y
(d) x + y x
Ans. d
1247. If X and Y are prime numbers, then which of the following cannot be the sum of X and Y?
(a) 5
(b) 13
(c) 16
(d) 23
Ans. d
1248. If Tk. 4,500 was invested in a share when the price per share was Tk. 9 and Tk. 3,000 was invested in another share when the price per share was Tk. 10. What was the average price per share purchased?
(a) Tk. 9.20
(b) Tk. 9.375
(c) Tk. 9.40
(d) Tk. 9.625
Ans. b
1249. It costs X taka each make the first thousand copies of a CD and Y taka to make each subsequent copy. How many taka will it cost to make Z copies (Z is greater than 1000) of the CD?
(a) 1000X + YZ
(b) 1000(Z – X) + XY
(c) 1000(Z – Y) + XZ
(d) 1000(X – Y) + YZ
Ans. d
1250. Layer 1 O A B C D P R
(a) 100π
(b) 49 π
(c) 144 π
(d) 64 π
Ans. b