Subject Mathematics | |||
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351. How many prime numbers are there between 45 and 72? | |||

(a) 5 | |||

(b) 7 | |||

(c) 6 | |||

(d) None of them | |||

Ans. c | |||

352. Volume of a water tank is 192 cft. Its length, breadth, and height are in proportions 4: 3: 2. -----What is the area of its base in square feet? | |||

(a) 24 | |||

(b) 32 | |||

(c) 48 | |||

(d) None of them | |||

Ans. c | |||

353. The price per unit of a product of a product increases by 25%. The actual Taka increase in the unit price is Tk. 1.25 That was the unit price in taka before the price increase? | |||

(a) 7.5 | |||

(b) 5 | |||

(c) 6.25 | |||

(d) 8.25 | |||

Ans. b | |||

354. If A> B and C<0, which of the following is correct? | |||

(a) AC>BC | |||

(b) $\frac{\text{A}}{\text{C}}$ = $\frac{\text{B}}{\text{C}}$ | |||

(c) AC | |||

(d) None of these | |||

Ans. c | |||

355. If the average of 2x and 4x is 12 then x is equal to | |||

(a) 1 | |||

(b) 4 | |||

(c) 2 | |||

(d) None of these | |||

Ans. b | |||

356. If 3x + 9=15, then x+2=? | |||

(a) 2 | |||

(b) 3 | |||

(c) 4 | |||

(d) None of these | |||

Ans. c | |||

357. The length of a cricket pitch is---- | |||

(a) 20 yards | |||

(b) 22 yards | |||

(c) 21yards | |||

(d) 24yards | |||

Ans. b | |||

358. The International Mothers Language Day was Proclaimed by the General Conference of UNESCO---- | |||

(a) September 1998 | |||

(b) December 2000 | |||

(c) November 1999 | |||

(d) October2001 | |||

Ans. c | |||

359. Who wrote “ War and peace”? | |||

(a) Charles Dickens | |||

(b) Gerge Bernard Shaw | |||

(c) Leo Tolstoy | |||

(d) Kipling | |||

Ans. c | |||

360. 2x²+x-15 এর উৎপাদক কোনটি? | |||

(a) (x+3) (2x-5) | |||

(b) (x-3) (2x-5) | |||

(c) (x-3) (2x+5) | |||

(d) (x+3) (2x+5) | |||

Ans. a | |||

361. x+y=7 এবং xy=10 হলে (x-y)² এর মান কত? | |||

(a) 3 | |||

(b) 9 | |||

(c) 6 | |||

(d) 12 | |||

Ans. b | |||

362. The ratio of income of Kamran and Dolon is 3:4.The ratio of their expenditures is 4: 5. Find the ratio of their saving if the savings of Kamran is one fourth is fourth of his income? | |||

(a) 5:4 | |||

(b) 19:12 | |||

(c) 4:6 | |||

(d) 12:19 | |||

(e) 10:20 | |||

Ans. | |||

363. How many liters of fuel are needed for a steamer to sail 2400 kilometers if it uses 40 liters of fuel to sail 320 kilometers? | |||

(a) 250 | |||

(b) 255 | |||

(c) 260 | |||

(d) 300 | |||

(e) None of these | |||

Ans. d | |||

364. Some marbles are divided between two brothers, Lipu and Tibu in a ratio of 15:8 and the difference in the number of marbles they get is 14. How many marbles did Tipu get? | |||

(a) 14 | |||

(b) 5 | |||

(c) 10 | |||

(d) 16 | |||

(e) None of these | |||

Ans. d | |||

365. IF r=3z and 9z=6y, then r = ? | |||

(a) Y | |||

(b) 2y | |||

(c) 5y | |||

(d) 10y | |||

(e) None of these | |||

Ans. b | |||

366. A two–digit number has 6 in its unit digit .The sum of its digits is one-fourth of the number itself .What is the number? | |||

(a) 36 | |||

(b) 46 | |||

(c) 66 | |||

(d) 76 | |||

(e) None of these | |||

Ans. a | |||

367. Mr. Jamal employed 50 works to finish a work within 30 days. After 20 days he found out that only 50% of the work had been completed. How many additional Workers will Mr. Jamal need to finish the work in time? | |||

(a) 100 | |||

(b) 50 | |||

(c) 40 | |||

(d) 35 | |||

(e) None of these | |||

Ans. b | |||

368. Arif incurred a loss of 25% by selling a used mobile phone set at take 1500. How much could he gain /lose by selling it at 2,200 taka. | |||

(a) 10% loss | |||

(b) 20 % gain | |||

(c) 10% gain | |||

(d) 20% loss | |||

(e) None of these | |||

Ans. c | |||

369. 60% of the students of a college are male. 60% of the males in the collage speak French and 40% of the students of the collage speak French. What is the percentage of the females in the college who do not speak French? | |||

(a) 40% | |||

(b) 90% | |||

(c) 60% | |||

(d) 85% | |||

(e) None of these | |||

Ans. | |||

370. Which of the following fractions is smaller than 8/9 and greater than 2/5? | |||

(a) $\frac{\text{3}}{\text{7}}$ | |||

(b) 3.8 | |||

(c) $\frac{\text{7}}{\text{8}}$ | |||

(d) $\frac{\text{9}}{\text{23}}$ | |||

(e) None of these | |||

Ans. a | |||

371. Parvez has a total of four balls in his pocket of which two are red and two are white . if he randomly picks one ball out of his pocket what is the probability that he will pick a red ball? | |||

(a) 50% | |||

(b) 66% | |||

(c) 25% | |||

(d) 33% | |||

(e) None of these | |||

Ans. a | |||

372. In a football league each team plays with every of the other teams twice. if the number of teams is 5 then what will be the total number of matches? | |||

(a) 5 | |||

(b) 10 | |||

(c) 15 | |||

(d) 20 | |||

(e) None of these | |||

Ans. b | |||

373. In a Super shop, the sales of an item decreased by 75% from 2005 to 2006. If the sales in 2007 were the same as in 2005, what would be the percentage increases in sales from 2006 to 2007? | |||

(a) 300% | |||

(b) 350 % | |||

(c) 200% | |||

(d) 250% | |||

(e) None of these | |||

Ans. a | |||

374. If 29% of 200 equals 5.5% of ‘x’ what is the value of ‘x’ ? | |||

(a) 2000 | |||

(b) 1205 | |||

(c) 2100 | |||

(d) 1220 | |||

(e) None of these | |||

Ans. e | |||

375. A stock decreases in value by 25%. By what percent must the value of that stock increase to reach its former value? | |||

(a) 30% | |||

(b) 40% | |||

(c) 25% | |||

(d) 50% | |||

(e) None of these | |||

Ans. e |