Explanation:

By how much is three-fifth of 350 greater than four-seventh of 210 ? Correct Answer None of these Hints : 3/5 of 350 - 4/7 of 210 = 210 - 120 = 90 সঠিক উত্তর এখানে নাই।

Explanation:

কোন সন্ধি বিচ্ছেদটি ভুল ? সঠিক উত্তর দু + লোক = দ্যুলোক দিব + লোক = দ্যুলোক

Explanation:

The sum of two numbers is 15 and the sum of their squares is 113. Find the numbers. Correct Answer 7 and 8 Hints: Let two numbers are x and y sum of the two numbers = 15; so x + y = 15 and sum of their squares = 113; so x2 + y2 = 113 Now check option : 6 + 9 = 15 (correct) 62 + 92 = 117 ( not correct) 7 + 8 = 15 (correct) 72 + 82 = 113 (not correct) Thus we get our answer 7 and 8

Explanation:

A clock is started at noon. By 10 minutes past 5, the hour hand has turned through : Correct Answer 155 degree Hints: Angle traced by hour hand is 12 hrs = 360degree Angle traced by hour hand in 5 hrs 10 min i.e, 31/6 hrs = 360/12 × 31/6 = 155 degree

Explanation:

’বগুড়ার চিনিপাতা দই সুস্বাদু।’ - বাক্যটির ‘চিনিপাতা’ কোন কারক ? সঠিক উত্তর করণ করণ কারক হলো ক্রিয়া সম্পাদনের যন্ত্র বা সহায়ক। চিনিপাতা দই হলো চিনি দ্বারা পাতা দই। তাই এটি করণ কারক

Explanation:

Running at the same constant rate, 6 identical machines can produce a total of 270 bottles per minute. At this rate, how many bottles could 10 such machines produce in 4 minutes ? Correct Answer 1800 Hints : 6 machines produce 270 bottles per minute 1 machine produce 270/6 bottles per minute 10 machines produce = 45 × 10 = 450 bottles per minute In 4 minutes 10 machines produce = 450 × 4 bottles = 1800 bottles

Explanation:

সংবাদপত্র কোন সমাস ? সঠিক উত্তর মধ্যপদলোপী কর্মধারয় যে কর্মধারয় সমাসে ব্যাসবাক্যের মধ্যপদের লোপ পায় তাকে মধ্যপদলোপী কর্মধারয় সমাস বলে। যেমনঃ সংবাদ বহনকারী পত্র - সংবাদপত্র

Explanation:

Find the surface area of a 10cm × 4cm × 3cm brick. Correct Answer 164 sq.cm Hints: surface area of a cuboid(ঘনক) = 2(lb + bh + hl)cm2 Bricks are cuboid. Surface area of the brick = 2(10 × 4 + 4 × 3 + 3 × 10) cm2 = 164 cm2

Explanation:

Which of the following numbers does not lie between 4/5 and 7/13 ? Correct Answer 1/2 4/5 = 0.80 and. 7/13 = 0.53846153 Now check option : 1/2 = 0.50 so this is not between 4/5 and 7/13. we get our answer is 1/2

Explanation:

‘সকল ছাত্ররাই যথাসময়ে উপস্থিত হয়েছে’ । বাক্যটিতে কি ধরণের ভুল আছে ? সঠিক উত্তর বচন কিছু কিছু শব্দে বহুবচন হলে বহুবচন বাচক চিহ্ন ব্যবহার করতে হবে। সকল ছাত্ররাই হবে সকল ছাত্র না

Explanation:

Two numbers are in the ratio 1:2. If 7 is added to both, their ratio changes to 3:5. The greatest number is : Correct Answer 28 Hints : The difference between the two numbers remain the same 1 : 2 = 2 : 4 ( maintain same difference between the two ratio) Increase is 1 unit so, 1 unit 7. Biggest number is 4 units, hence it is 7 × 4 = 28

Explanation:

Fill in the blanks with appropriate words : What is the Synonym for the word 'APPALL' ? Correct Answer dismay Appal অর্থ আতঙ্কিত করা; মর্মাহত করা এবং dismay অর্থ হতাশ করা; আতঙ্কিত করা। সুতরাং appal আর dismay শব্দ দুটি similar. অন্যদিকে deceive অর্থ প্রতারণা করা, confuse অর্থ গুলিয়ে ফেলা, cover অর্থ ঢেকে দেওয়া।

Explanation:

A boatman goes 2 km against the current of the stream in 1 hour and goes 1 km along the current in 10 minutes. How long will it take to go 5 km in stationary water ? Correct Answer 1 hour 15 minutes Hints: Rate down stream = 1/10 × 60 km/hr = 6km/hr Rate up stream = 2 km/hr speed in still water = 1/2 (6 + 2)km/hr = 4 km/hr Required time = 5/4 hrs = 1 hrs 15 min

Explanation:

A water tank is two-fifth full. Pipe A can fill a tank on 10 minutes and pipe B can empty it in 6 minutes. If both the pipes are open, how long will it take to empty or fill the tank completely ? Correct Answer 6 min to empty Hints: Clearly, pipe B is faster than pipe A and So, the tank will be emptied.Part to be emptied = 2/5 part emptied by ( A + B) in 1 minute = 1/6 - 1/10 = 1/15 1/15 : 2/5 = 1/x 1/15 × 5/2 = 1/ x x = 30 /5 x = 6 So, tank will be emptied in 6 min

Explanation:

Fill in the blanks with appropriate words : He made his children ____________ their homework every afternoon. Correct Answer do Make, Have, Get প্রভৃতি verb কে Causative verb বলে। এর পরের verb টি present form এ হবে এবং কোনো preposition পূর্বে বসবে না

Explanation:

Select the word or phrase that is most closely opposite in meaning to the capitalized word : EXECRABEL Correct Answer laudable প্রশ্নোক্ত execrable বানানটি সঠিক নয়। এর সঠিক বানান হলো execrable ( জঘন্য) - এর opposite word হলো laudable ( প্রশংসনীয়) ।

Explanation:

The sum of two numbers is 28/25 of the first number. The second number is what percent of the first ? Correct Answer 12% Hints : Let the numbers be x and y x + y = 28/25 × x y = 28x /25 - x y = 28x - 25x /25 y = 3x /25 So the second number is 3x /25 Now, percentage = 3x/25/x × 100 = 3x/25 × 1/x × 100% = 12%

Explanation:

A train 240m long passed a pole in 24 seconds. How long will it take to pass a platform 650m long ? Correct Answer 89 sec Hints : The train requires. 24 seconds to pass its length Hence its speed is = 240 /24 m/s = 10 m/s To pass 650m long platform it will pass total ( 650 + 240) or 890 m So, time requires = 890/ 10 sec = 89 sec

Explanation:

How many prime numbers are less than 50 ? Correct Answer 15 Hints : prime numbers less than 50: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47 so total count is 15.

Explanation:

Fill in the blanks with appropriate words : The potato chop was very hot. He let __________ just in time. Correct Answer go of it Let go of something - to release something

Explanation:

A gardener plants 17956 trees in such a way that there are as many rows as the number of trees in a row. What is the number of trees in a row ? Correct Answer 134 Square root of 17956 will be the answer. √17956 = 134

Explanation:

Find the compound interest on Tk. 15,625 for 9 months at 16% per annum compounded quarterly. Correct Answer Tk. 1951 P = TK.15, 625, n = 9 months = 3 quarters, R = 16% p.a = 4% quarter. Amount = TK.[ 15625 × (1 + 4/100)2 = TK. (15626 × 26/25 × 26/25 × 26/25) = TK.17576 C.I = TK.(17576 - 15625) = TK.1951

Explanation:

Raina is twice as old as Saima. Three years ago, Raina was three times as old as Saima. How old is Raina now ? Correct Answer 12 Years Let Saima's age three years ago was xthen Raina's age was 3xNow Saima's age is (x + 3)then Raina's age is (3x + 3) A/Q, 3x + 3 = 2(x + 3)3x + 3 = 2x + 63x - 2x = 6 - 3x = 3Now Raina's age = (3x + 3) = (3*3 + 3) = 12

Explanation:

The H.C.F of two number is 11 and their L.C.M is 693. If one of the numbers is 77 find the other. Correct Answer 99 Hints Let another number = x We know, product of two number = HCF × LCM 77 × x = 693 × 11 x = 693 × 11 / 77 x = 99

Explanation:

Two numbers are in the ratio 5:4 and their difference is 10. What is the largest number ? Correct Answer 50 The ratio is 5ঃ4let the two numbers are 5x and 4xNow, 5x - 4x = 10x ‌‌‌‌ = 10The largest number is 5x = 5*10 = 50

Explanation:

The simple interest on a certain sum of money for 2 1/2 years at 12% per annum is TK. 40 less than the simple interest on the same interest on the same sum for 3 1/2 years at 10% per annum. Find the sum. Correct Answer TK. 800 Hints : The simple interest on a certain sum of money for 2.5 year's at 12% per annum is TK.40 less than the simple interest on the same sum for 3.5 years at 10% per annum The simple interest on a certain sum of money for 2.5 years at 12% per aannum = pnr = 12 × 2.5 × x the simple interest on the same sum for 3.5 years at 10% per annum = pnr = 1 × 3.5 × x So, 12 × 2.5 × x + 40 = 1 × 3.5 × x 0.3x + 40 = 0.35 x o.35 x - 0.3x = 40 o.o5x = 40 x = 800

Explanation:

The sale price of an article including the sales tax is Tk. 616. The rate of sales tax is 10%. If the shopkeepers has made a profit of 12%, then the cost price of the article is : Correct Answer Tk. 500 Hints : Price excluding sales tax. 616 × 100/110 = 560 Cost = 560 × 100/112 = 500

Explanation:

Select the word or phrase that is most closely opposite in meaning to the capitalized word : TRIUMPH Correct Answer failure Triumplh - সাফল্য - এর opposite word হলো failure ( ব্যর্থতা) ।

Explanation:

What will be the compound interest on a sum of Tk. 25000 after 3 years at the rate of 12 p.c.p.a. ? Correct Answer Tk. 10123.20 Hints : Amount = [ 25000 × ( 1 + 12/100)3] = ( 25000 × 28/25 × 28/25 × 28 /25) = 35123.20 C.I = ( 35123.20 - 25000) = 10123.20

Explanation:

A zookeeper counted the heads of animal and found it to be 80. When he counted the legs of animals, he found the number to be 260. If the zoo had either Pigeons or horses, how many horses were there in the zoo ? Correct Answer 50 Let the number of horse is xthen pigeons are (80 - x)A/Q, 4x + 2(80 - x) = 2604x + 160 - 2x = 2602x = 260 - 1602x = 100x = 50The number of horses is 50

Explanation:

Select the word or phrase that is most closely opposite in meaning to the capitalized word : FRUGALITY Correct Answer generosity Frugality - মিতব্যয়িতা Thrift - মিতব্যয়িতা Generosity - উদারতা Degradation - অবনতি Providence - দূরদর্শিতা Generosity হলো frugality - এর opposite word।

Explanation:

Choose the one that can be substituted for the given words/sentences in the following questions : A person interested in reading books and nothing else Correct Answer bookworm বই পড়ার আসক্ত ব্যক্তিকে bookworm বা গ্রন্থকীট বলে।

Explanation:

Choose the one that can be substituted for the given words/sentences in the following questions : The murder of the king is called a Correct Answer regicide রাজার হত্যাকারীকে regicide ( রাজহন্থা) বলে।

Explanation:

Select the word or phrase that is most closely opposite in meaning to the capitalized word : ABERRATION Correct Answer typical behaviour Aberration - বিপদগামী - এর বিপরীত শব্দ হলো typical behaviour ।

Explanation:

Choose the one that can be substituted for the given words/sentences in the following questions : One who sacrifices his life for a cause Correct Answer martyr যে ব্যক্তি কোনো উদ্দেশ্যে নিজের জীবন উৎসর্গ করে তাকে Martyr বলে।