Subject Mathematics
376. Raj, Ishaq and Jerry divided some money among themselves as follows : Raj received 25% of it, Ishaq received one-fifth of it and jerry received the remaining Tk. 660. How much money did Ishaq receive.
(a) Tk. 3000
(b) Tk. 280
(c) Tk. 240
(d) Tk. 500
(e) None of these
Ans. c
377. The average of 10 integers is –16. If the sum of 6 of them is 100, what is the average of the other 4?
(a) -50
(b) -60
(c) -65
(d) -100
(e) None of these
Ans. c
378. Akash borrow Tk.600 and pays it back in 12 monthly payments of Tk. 61.75. what is his interest rate?
(a) 15%
(b) 20%
(c) 23.5%
(d) 30%
(e) None of these
Ans. c
379. If the average of (x-3), (x-5) and (x-7) is 0, then what is the value of x?
(a) 10
(b) 15
(c) 19
(d) 5
(e) None of these
Ans. d
380. Which of the following is less than 1 6 ?
(a) 0.167
(b) 0.1678
(c) 0.16667
(d) 0.165
(e) None of these
Ans. d
381. Which of the following is equal to 45 ?
(a) 15
(b) 5 3
(c) 9 5
(d) 3 5
(e) None of these
Ans. d
382. A retalailer buys a mobile set from the wholesaler for Tk. 5,000. He then marks up the price by 8% and sales at a discount 0f 5%.What is his profit in ( in percentage ) on the mobile set?
(a) 27%
(b) 1.6%
(c) 2.5%
(d) 2.6%
(e) None of these
Ans. d
383. Which of the following is equal to 16 5 ?
(a) 2 10 x 4 5
(b) 2 20
(c) 4 6 x 2 8
(d) All of these
(e) None of these
Ans. d
384. If 4a + 4b +4c+ 4d = 112, what is the average of a, b, c, and d?
(a) 28
(b) 4.5
(c) 4
(d) 13
(e) None of these
Ans. e
385. If a pair of shoe is sold at Tk. 480, the shopkeeper incurs a 4% loss. If the shopkeeper sells that pair at Tk. 515, how much profit or less he/ she will incur?
(a) 3%
(b) 3% loss
(c) 2% profit
(d) 4% profit
(e) None of these
Ans. a
386. By how much is the value of {-10-(-7)} greater than the value of {-10+(-7)}?
(a) -20
(b) 20
(c) 0
(d) 14
(e) None of these
Ans. d
387. f (x)= - 1, for all x > 0. If f (a) = -1 and f (ab) = -1 then b=?
(a) 1
(b) 3
(c) -1
(d) -3
(e) None of these
Ans. ab
388. A wholesaler bought 1200 pens for Tk. 18 each. He sold 60% of the pens for Tk. 30 each and remaining for Tk. 15 each. What was his average profit per pen?
(a) Tk. 4
(b) Tk. 6
(c) Tk. 12
(d) Tk. 3
(e) None of these
Ans. b
389. When Mr. Sen imports some raw materials he has to pay 7% import duty on the portion of the total value of the item in excess of Tk. 1000. If the amount of import duty he paid was Tk. 87.50 then what was the value of the raw material that he imported?
(a) Tk. 1,250
(b) Tk. 2,250
(c) Tk. 2500
(d) Tk. 2,750
(e) None of these
Ans. b
390. Due to the recession, a show room reported that revenue from luxury car sales were down by 11% and revenue from economy car sales were up by 7%. If the total revenue were up by 1% then what is the ratio of revenue from luxury car sales to revenue from economy car sales?
(a) 3: 2
(b) 11:7
(c) 4:5
(d) 1:2
(e) None of these
Ans. d
391. Topu earns Tk. 5.00 for every hour he works. Last week he worked for x hours. He Purchased y kg of rice. Price of per kg rice is Tk. 12.00 He saved the remaining amount. Which expression below shows his saving s?
(a) Tk. (500x + 12x +1200y)
(b) Tk. (500x-1200y)
(c) Tk. 5.00(x-y)
(d) Tk. 7.00(x-y)
(e) None of these
Ans. b
392. The capacity of computer memory is increasing exponentially. At the same time increased capacity is becoming available at cheaper rate. Two year ago 1 GB RAM cost Tk. 5,000. Now 4 GB RAM is available at the same price. If this trend continues what capacity of RAM will you get for Tk. 5,000 after 3 years time?
(a) 32 GB
(b) 80 GB
(c) 60.72 GB
(d) 76 GB
(e) None of these
Ans. a
393. If x% of 40 is y then 10x=?
(a) 25y
(b) 100y
(c) 10 y
(d) 4y
(e) None of these
Ans. a
394. If n is a positive integer then what is the remainder when{3(8n+3}is divided by 5?
(a) 4
(b) 1
(c) 0.4
(d) 0
(e) None of these
Ans. a
395. A glass was filled with 10 liters of water and 0.01 liter of water evaporated every day during a 20-day period. What percent of the original amount of water evaporated during the period?
(a) 20%
(b) 22%
(c) 2.2%
(d) 2%
(e) None of these
Ans. b
396. Noman sells pens for Tk. 65.00 each. This price gives him a profit of 30 percent on the costs. What will be the new retail price of each pen if he cuts his profit to 10 percent of costs?
(a) Tk. 52.00
(b) 71.50%
(c) Tk. 58.50%
(d) Tk. 55.00
(e) None of these
Ans. d
397. There are 200 students in a class. 76% passed in Bangla and 54% passed in English. If 10% of the students failed in both the subjects then how many of them passed in both subjects.
(a) 30
(b) 50
(c) 40
(d) 80
(e) None of these
Ans. d
398. 50% of the people in an area read Ittefaq and 60% of the people in that area read Prothom Alo. 20% people read both the newspapers.What percent of people do not read any of the newspapers
(a) 20
(b) 10
(c) 15
(d) 25
(e) None of these
Ans. b
399. A 240 – meter long train crosses a pole in a platform in 8 seconds. Determine the speed of the in train in km/hr.
(a) 120
(b) 140
(c) 6
(d) 3
(e) None of these
Ans. e
400. If 6 workers can complete 1 identical job in 3 days, how long (in days) will it take 4 workers to complete 10 such jobs?
(a) 5
(b) 4
(c) 6
(d) 3
(e) None of these
Ans. a