Subject Mathematics
1501. Area of a square filed is 484 square meter, find its perimeter.
(a) 88 meter
(b) 84 meter
(c) 81 meter
(d) 108 meter
Ans. a
1502. A number when increased by 25% gives 80, the number is -
(a) 60
(b) 64
(c) 96
(d) 100
Ans. b
1503. The ratio of boys and girls in a class is 3 : 2. If 10% of boys and 15% of girls failed in an examination, the percentage of passed students is:
(a) 75%
(b) 80%
(c) 88%
(d) 87.5%
Ans. c
1504. The sum of two numbers is twice the difference between them. If the smaller number is 20, find the bigger number.
(a) 5
(b) 40
(c) 60
(d) 80
Ans. c
1505. Find the number which does not with the series. 1, 5, 11, 29, 55.
(a) 29
(b) 55
(c) 11
(d) 5
Ans. b
1506. A man spends 3 5 of his income and still saves Tk. 600. His income is -
(a) Tk. 240
(b) Tk. 360
(c) Tk. 1000
(d) Tk. 1500
Ans. d
1507. The average age of 4 brothers is 6 years. If the age of their father is included, the average is increased by 5 years. Find age of the father.
(a) 24 years
(b) 31 years
(c) 35 years
(d) 38 years
Ans. b
1508. Tk. 700 is divided between A and B in the ratio of 3 : 5. Find A’s share.
(a) Tk. 300
(b) Tk. 350
(c) Tk. 400
(d) Tk. 450
Ans. a
1509. 5 years ago, A was 10 years younger than B. What will be the difference between their ages after 2 years from now?
(a) 3 years
(b) 8 years
(c) 10 years
(d) 24 years
Ans. c
1510. 25% of 75% of 80 = ?
(a) 15
(b) 20
(c) 60
(d) 80
Ans. a
1511. The salary of an employee is first decreased by 10% and then is increased by 25%. Find percent increase in his salary form the original salary.
(a) 11%
(b) 10%
(c) 12.5%
(d) 13%
Ans. c
1512. In which of the following cities is the Wall Street Situated?
(a) London
(b) Washington D.C.
(c) New York
(d) Paris
Ans. c
1513. In which commercial treaty of the following, Bangladesh agreed with USA for signing?
(a) FTA
(b) NAFTA
(c) TIFA
(d) SAFTA
Ans. c
1514. A sum of Tk. 100 is divided among A, B and C. If A and B together receive Tk. 70, B and C together receive Tk. 50. Find the amount receive by B.
(a) Tk. 10
(b) Tk. 20
(c) Tk. 40
(d) Tk. 60
Ans. b
1515. If x 4 x 9 = 5 -5 then x is equal to -
(a) 5
(b) 4
(c) 9
(d) None of these
Ans. a
1516. How much more is 1 2 2 3 3 4 1 3
(a) 1 4
(b) 1 3
(c) 1 12
(d) 7 12
Ans. c
1517. If P = x 2 - 36 x 2 - 49 and Q = x + 6 x + 7, then the value of P Q is -
(a) x - 6 x -7
(b) x - 6 x + 7
(c) x - 6 x + 6
(d) x + 6 x - 7
Ans. a
1518. The average of 1?0 numbers is 7. What will be new average if each of the numbers is multiplied by 8?
(a) 45
(b) 52
(c) 56
(d) 55
Ans. c
1519. A train runs at 45 km per hour. How far does it go in 6 seconds?
(a) 45 m
(b) 60 m
(c) 75 m
(d) 80 m
Ans. c
1520. A machine part is packed in a box of size 5cm × 5cm × 2cm. The number of parts that can be packed in a carton of size 25 cm × 16 cm × 8 cm is –
(a) 60
(b) 80
(c) 40
(d) 160
Ans. b
1521. A’s income is 50% less than B’s. By how much percent, B’s income is more than A’s?
(a) 33.33%
(b) 50%
(c) 75%
(d) 100%
Ans. d
1522. After scoring 85 runs in the 17th innings, a batsman’s average run increases by 3. What was his average before the 17th?
(a) 88 runs
(b) 82 runs
(c) 34 runs
(d) 37 runs
Ans. c
1523. A train running at the speed of 25 m/s takes 10 seconds to pass a man running at the speed of 10 m/s in the opposite direction. Find the length of the train.
(a) 150 meters
(b) 200 meters
(c) 250 meters
(d) 350 meters
Ans. d
1524. Find the area of a rectangle whose diagonal is 13 cm.
(a) 36 cm²
(b) 60 cm²
(c) 72 cm²
(d) 169 cm²
Ans. b
1525. Students of a class stand in a queue. If Rajib is 19th in order from both ends, how many students are there in the queue?
(a) 20
(b) 37
(c) 38
(d) 39
Ans. b