Subject Mathematics
1326. A car travels 15 meters in one second. What is the speed of the car per hour in kilometer?
(a) 54
(b) 48
(c) 42
(d) 36
(e) 40
Ans. a
1327. What is the next digit of the series 1, 2, 3, 5, 7, .......?
(a) 9
(b) 14
(c) 11
(d) 16
(e) l8
Ans. c
1328. Let x : y = 3 : 4 and x : z = 6 : 5, then z : y = is?
(a) 5 : 3
(b) 6 : 7
(c) 4 : 2
(d) 5 : 4
(e) 5 : 8
Ans. e
1329. There are 900 students in a school. 4% of them left the school and 50% of the remaining are girls. How many girls remained?
(a) 432
(b) 430
(c) 450
(d) 448
(e) None of them
Ans. a
1330. If x 2 + y 2 = 4 and x 2 - y 2 = -4 then x 4 + y 4 is -
(a) -16
(b) 16
(c) 0
(d) 8
(e) None of them
Ans. b
1331. The minimum value of 2 x 2 + 8x – 5 is
(a) -9
(b) 13 2
(c) -13
(d) 13
(e) None of them
Ans. c
1332. If the market price is Tk. 25, the revenue of selling five units in Taka is
(a) 25
(b) 5
(c) 250
(d) 125
(e) None of them
Ans. d
1333. There are 12 more apples than oranges in a basket of 36 apples and oranges. How many apples are in the basket?
(a) 12
(b) 24
(c) 15
(d) 28
(e) None of them
Ans. b
1334. Bina is 10 years older than Mim. In 7 years time, Bina will be twice as old as Mim. What is Bina’s age now?
(a) 18
(b) 5
(c) 25
(d) 7
(e) None of them
Ans. e
1335. If product of 3 consecutive integers is 120, then the sum of the integers is -
(a) 9
(b) 12
(c) 14
(d) 15
(e) None of them
Ans. d
1336. If 15 is the fifth number in a series of 5 consecutive odd numbers, what is the third number in the series?
(a) 7
(b) 12
(c) 14
(d) 5
(e) None of them
Ans. e
1337. The difference of two numbers is 7 and their product is 60, then one of the two numbers must be
(a) 4
(b) 5
(c) 6
(d) 8
(e) None of them
Ans. b
1338. A woman had 50 ducks. All but 8 died. How many ducks are still alive?
(a) 8
(b) 42
(c) 50
(d) 41
(e) None of them
Ans. a
1339. Reza’s average in four tests is 80%. What marks does he need in his fifth test to raise his average to 84%?
(a) 96%
(b) 94%
(c) 84%
(d) 100%
(e) None of them
Ans. d
1340. Which fraction is the largest?
(a) 9 16
(b) 7 10
(c) 4 5
(d) 5 8
(e) None of them
Ans. c
1341. A 5% monthly salary increase resulted in a salary increase resulted in a salary increase of Tk. 6000 per year for an employee. What was his monthly salary before the increase?
(a) 1200
(b) 12000
(c) 10000
(d) 36000
(e) None of them
Ans. c
1342. If the sum of the 3 consecutive integers is 240, then the sum of the two larger integers is:
(a) 161
(b) 79
(c) 169
(d) 159
(e) None of them
Ans. a
1343. Rice is now being sold at Taka 20 a kg. during last month its rate was Taka 16 per kg. By how much percent should a family reduce its consumption so as to keep the expenditure fixed?
(a) 25%
(b) 15%
(c) 40%
(d) 20%
(e) None of them
Ans. d
1344. What is the smallest number exactly divisible by each of 12, 15, 20 and 27?
(a) 360
(b) 480
(c) 520
(d) 540
(e) 820
Ans. d
1345. What is the square root of 0.00000081?
(a) 0.09
(b) 0.9
(c) 0.0009
(d) 0.0027
(e) 0.0003
Ans. c
1346. What is the ninth term of the sequence 0, 3, 8, 15, 24, 35, ........?
(a) 52
(b) 63
(c) 71
(d) 80
(e) 84
Ans. d
1347. What is the wrong number in the following series: 1, 23, 144, 64, 49?
(a) 1
(b) 23
(c) 144
(d) 64
(e) 49
Ans. b
1348. The sum of Rahim’s age and his son’s age is 55 years. 5 years ago Rahim’s son was 29 years younger than Rahim. What is the son’s present age?
(a) 5
(b) 8
(c) 13
(d) 15
(e) 17
Ans. c
1349. What is the value of (m + n) 2 - x 4 - (m - n) 2
(a) m 2
(b) n 2
(c) m 2 - n 2
(d) 2mn
(e) 4mn
Ans. e
1350. 50 minutes ago it was 45 minutes past 4 o’clock. How many minutes is it until six o’clock?
(a) 15
(b) 20
(c) 25
(d) 30
(e) 35
Ans. c