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Which one is the database software ? Correct Answer ORACLE A database is an organized collection of data, generally stored and accessed electronically from a computer system. Where databases are more complex they are often developed using formal design and modeling techniques. Database software is a Oracle.

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Dr. Muhammed Younus received Nobel Prize in Correct Answer Peace (ব্যাখ্যাঃ) ধরি, আসল = ৫টাকা . ′ . সুদ = ৫এর ১/৫টাকা = ১টাকা ১০০ × ১ . ′ . সুদের হার = – – – - - - - - - - % = ২০% ১ × ৫

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Which one is not the graphics software ? Correct Answer Access In computer graphics, graphics software refers to a program or collection of programs that enable a person to manipulate images or models visually on a computer. Computer graphics can be classified into distinct categories: raster graphics and vector graphics, with further 2D and 3D variants. Many graphics programs focus exclusively on either vector or raster graphics, but there are a few that operate on both. It is simple to convert from vector graphics to raster graphics, but going the other way is harder. Some software attempts to do this.

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A man can cross 10 miles distance of a river in favor of the stream in 2 hours . He can come back against the stream along the same way in 5 hours . What is the average speed, in miles per hour, for the entire trip ? Correct Answer 20/7 Total distance = 10 + 10 = 20 miles Total time required = 5 + 2 = 7 hours Average speed = 20/7 miles per hour

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Three boys have marbles in the ratio of 19:5:3 . If the boy with the least number of marbles has 9 marbles, how many marbles does the boy with the greatest number have ? Correct Answer 57 Smaller ratio 3 = 9 So, Smaller ratio 1 = 9/3 = 3 Now, Highest ratio 19 = 19×3 = 57

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An item is sold for $65.00, giving the retailer a profit of 30% of the cost . What will be the new retail price if the retailer cuts his profit to 10% of costs ? Correct Answer $55 when sp 130 then cp 100 when sp 1 then cp. 100/130 When Sp 65 then cp 100×65/130 So Cp = 50 Therefore the new retail price = 50 + 50×10% = $55 ans:$55

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Six consecutive whole numbers are given ; the sum of the first three numbers is 27. What is the sum of the last three numbers ? Correct Answer 36 Let the numbers be (x - 3), (x - 2), (x - 1), x, (x + 1), (x + 2) respectively. Now, (x - 3) + (x - 2) + (x - 1) = 27 or, 3x - 6 = 27 or, 3x = 33 or,  x = 11. So,  x + (x + 1) + (x + 2) = 11 + 12 + 13 = 36.

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Last year I bought 1000 shares of Sunshine Enterprises at TaKa 17.25 per share. Today the stock is quoted at TaKa 17,375. How much profit shall I make by selling all the shares today ? Correct Answer 125 Cost of share = 17.25 x 1000 = 17250 TK. Profit = 17375 - 17250 =  125 TK.

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All 120 students in a class play cricket or football or both, 75 play cricket and 60 play football. Correct Answer 15 শুধু ক্রিকেট খেলে = 75 জন  এবং ফুটবল খেলে = 60 জন  ক্রিকেট ও ফুটবল খেলে = 75 + 60 = 135 জন  মোট ছাত্র 120 জন হলে তাদের মধ্যে উভয়টি খেলে = 135 - 120 = 15 জন ।

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A manufacturer finds that 0.4% of his production is defective and unsuitable for marketing . How many to 1000 units produced will be rejected ? Correct Answer 4 In every 100 units of production 0.4 unit gets rejected So, in every 1000 units of production 0.4 x 1000 / 100 = 4 units get rejected

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Point X is North of point Y , which is East of point Z. To which direction is point X with respect to point Z ? Correct Answer South-West Q. Point X is North of point Y , which is East of point Z. To which direction is point X with respect to point Z ?প্রশ্নে, Z এর সাপেক্ষে X কোথায় অবস্থান করছে, সেটা জানতে চাওয়া হয়েছে।Follow the diagram:

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In a sugar-water solution, the ratio of water to sugar is 8 : 3 . If you add 2 Kgs of sugar, the ratio becomes 2 : 1 . What was the amount of sugar in the original solution ? Correct Answer 6 W : S = 8 : 3 W/S = 8/3 3W = 8S Again, W/(s + 2) = 2/1 1W = 2s + 4 3W = 6S + 12 8S = 6S + 12 S = 6

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A man binds 112 books in a day , and his assistant work 1/4 as fast . How many days will it take them to bind 560 books, if each alone works on alternate days ? Correct Answer 8 His assistant binds 1/4 x 112 = 28 books a day. So, they bind 112 + 28 = 140 books in every 2 days working in alternate days They will need 560/140 x 2 days = 8 days.

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A arden is 60m long and 20m wide. Inside the garden there is a 5m wide path around it . The area of the path is in square meter . Correct Answer 700 Area including path = 60 x 20 = 1200 sq. m. Length without path = 60 - (5x2) = 50 m Width without path = 20 - (5x2) = 10 m Area without path = 50 x 10 = 500 sq. m. Area of the path = 1200 - 500 = 700 sq. m.

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A circular flower bed has diameter 4m. The flower bed is increased so that the diameter is now 12m. How many times larger is the new flower bed? Correct Answer 9 In case of a circle, Area ∝ (diameter)2 So,   A2/A1  = d22/d12 or,  A2 = d22/d12 x A1                 = 122/42 x A1                 =  9 A1

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What part of an hour elapses between 11:40 p.m. and 12:20 a.m. ? Correct Answer 2/3 11:40am to 12:20pm = 20min + 20 min = 40 min Part of an hour elapse = 40min /60 min = 2/3

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A train passes city X at 9.55 am and Y city at 10.15 am . The distance between cities X and Y is 45 miles . What is the average speed, in miles per hour of the train ? Correct Answer 135 9:55 am to 10:15 am = 20 minutes = 1/3 hour Average speed = 45 / (1/3) =  135 miles per hour

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If A and B are positive and A>B, which of the following is true ? Correct Answer -B/A>-A/B 30/75*100 = 40%

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Describe the following sequence in mathematical terms : 144, 72, 36, 18, 9 Correct Answer Descending geometric sequence geometric sequence means multiplying or dividing by same value, here it is seen that gradually divided by 2. so it is geometric sequence .

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If an egg takes 3 minutes to boil , how much time will it take to boil 6 eggs together ? Correct Answer 3 minutes It's more like a mental ability question. If you boil at the same time it would take 3 minutes still! The number of eggs is irrelevant.

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The average of four consecutive odd positive integers is always ? Correct Answer an even number 1 + 3 + 5 + 7 = 16 average = 16/4 = 4 even number

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You cycled eastwards 6 Kilometers , them turning right you cycled 5 km. You turned right again and cycled 6 km. How far were you then from the starting point ? Correct Answer 5 Km If you notice, it ends up with a rectangular shape. Here, AB = CD and BC = AD = 5 km.

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P is the father of Q but Q is not the son of P. What is the relationship between Q and P ? Correct Answer Father and daughter If not son, then obviously Q is P's daughter. So the relationship between P and Q is Father and Daughter.

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If the following series continues to follow the same pattern , what will be the next number : 2, 6, 3, 9, 6 ............. ? Correct Answer 14 in each pair, 2nd number is three times of 1st number, so blank number = 6×3 = 18