7411 . A man in a train notice that he can count 21 telephone posts in one minute.. If they are known to be 50 meters apart, then at what speed is the train travelling?

A. 60 kmph
B. 55 kmph
C. 63 kmph
D. 57 kmph

View Answer	Favorite Question	Report

Answer: Option C

Explanation:

To calculate the speed of the train, we can use the information that the man can count 21 telephone posts in one minute and that the posts are known to be 50 meters apart. This means that in one minute, the train travels a distance equal to the spacing between 21 telephone posts.

Distance traveled in one minute = 21 posts * 50 meters/post = 1050 meters

Since there are 60 seconds in a minute, we need to convert the distance to meters per second:

Speed (in meters per second) = Distance (in meters) / Time (in seconds) Speed = 1050 meters / 60 seconds = 17.5 meters/second

To express the speed in kilometers per hour (km/h), we can multiply by 3.6 (since 1 meter per second is equal to 3.6 kilometers per hour):

Speed = 17.5 meters/second * 3.6 km/h = 63 km/h

So, the speed of the train is 63 kilometers per hour.

Wrong Question

Wrong Answer

Wrong Question Spelling

Wrong Answer Spelling

Wrong Explanation

সিকিউরিটি প্রিন্টিং কর্পোরেশন বাংলাদেশ | সহকারী ব্যবস্থাপক- 26-11-2021

📢 BdMerit অ্যাপে সরকারি চাকরি না হলে সম্পূর্ণ টাকা ফেরত!

BdMerit-এর ১ বছরের প্রিমিয়াম প্যাকেজ কিনে ১০ মাস নিয়মিত প্রস্তুতি নিন—

এর মধ্যে চাকরি না হলে- 🎁 BdMerit দিবে ১০০% ক্যাশব্যাক!

🚀 আজই ডাউনলোড করুন bdMerit-এর অ্যাপ▶️ এবং আপনার সাফল্যের পথ সুগম করুন!

7412 . A man buys a cycle for Tk. 1,400 and sells it at a loss of 15%. What is the selling price of the cycle?

A. Tk. 1,090
B. Tk. 1,160
C. Tk. 1,190
D. Tk. 1,202

View Answer	Favorite Question	Report

Answer: Option C

Explanation:

Wrong Question

Wrong Answer

Wrong Question Spelling

Wrong Answer Spelling

Wrong Explanation

C ইউনিট ব্যবসা শিক্ষা (২০২৩-২০২৪) || (09-03-2024) || চট্টগ্রাম বিশ্ববিদ্যালয়

A. 8.5 km/hr
B. 9 km/hr
C. 10 km/hr
D. 12.5 km/hr
E. None

View Answer	Favorite Question	Report

Answer: Option C

Explanation:

Wrong Question

Wrong Answer

Wrong Question Spelling

Wrong Answer Spelling

Wrong Explanation

সাধারণ বীমা কর্পোরেশন || সহকারী ব্যবস্থাপক (08-11-2024) || 2024

A. 8
B. 16
C. 28
D. 48

View Answer	Favorite Question	Report

Answer: Option A

Explanation:

40 ঘন্টার জন্য regular pay ( 30 × 40) টাকা = 1200 টাকা।

Overtime এর টাকার পরিমান ( 1680 - 1200) টাকা = 480 টাকা

যেহেতু, Overtime এর প্রতিদিনের টাকার পরিমান Regular Payment এর দ্বিগুন , সেহেতু overtime এর সময় ( 480 ÷ ( 30 × 2) ) ঘন্টা = 8 ঘন্টা

Wrong Question

Wrong Answer

Wrong Question Spelling

Wrong Answer Spelling

Wrong Explanation

বিসিআইসি | সহকারী প্রকৌশলী (কমার্শিয়াল) | 10-12-2021

A. 50 units
B. 60 units
C. 70 units
D. 80 units
E. None

View Answer	Favorite Question	Report

Answer: Option E

Explanation:

Wrong Question

Wrong Answer

Wrong Question Spelling

Wrong Answer Spelling

Wrong Explanation

পায়রা বন্দর কর্তৃপক্ষ (বিভিন্ন পদ) 06-11-2020

A. 34
B. 36
C. 38
D. 39

View Answer	Favorite Question	Report

Answer: Option A

Explanation:

Let, c = x ∴b = x + 10 and a = x + 12 Now,a + b + c = 130 = > x + 12 + x + 10 + x = 130 = > 3x = 130 - 22 = 108 ∴x = (108/3) = 36 i.e, c = 36 ∴ b = 46 and a = 48 ∴(b + c) - a = (46 + 36) - 48 = 34 Ans.

Wrong Question

Wrong Answer

Wrong Question Spelling

Wrong Answer Spelling

Wrong Explanation

সিকিউরিটি প্রিন্টিং কর্পোরেশন বাংলাদেশ | সহকারী ব্যবস্থাপক- 26-11-2021

A. 588 apples
B. 600 apples
C. 672 apples
D. 700 apples

View Answer	Favorite Question	Report

Answer: Option D

Explanation:

Wrong Question

Wrong Answer

Wrong Question Spelling

Wrong Answer Spelling

Wrong Explanation

C ইউনিট ব্যবসা শিক্ষা (২০২৩-২০২৪) || (09-03-2024) || চট্টগ্রাম বিশ্ববিদ্যালয়

B. 9
C. 8
D. 16

View Answer	Favorite Question	Report

Answer: Option B

Explanation:

This question's answer is given is the question. The second line says' all but 9 died' That means 9 hens live were left.

Wrong Question

Wrong Answer

Wrong Question Spelling

Wrong Answer Spelling

Wrong Explanation

২৮ তম বিসিএস প্রিলিমিনারি টেস্ট (28-11-2008)

A. 8:5
B. 9:7
C. 9:5
D. 8:7

View Answer	Favorite Question	Report

Answer: Option C

Explanation:

খরগোশের ৩ লাফ= কুকুরের ১ লাফ " ১ " = " ১ \times \frac{১}{৩} " " ৫ " = " \frac{৫}{৩} " তাহলে, খরগোশের গতিবেগঃকুকুরের গতিবেগ =৩ঃ \frac{৫}{৩} =৯ঃ৫

Wrong Question

Wrong Answer

Wrong Question Spelling

Wrong Answer Spelling

Wrong Explanation

তিতাস গ্যাস ট্রান্সমিশন অ্যান্ড ডিস্ট্রিবিউসন কো. লি.-সহকারী ব্যবস্থাপক-08-10-2021

7420 . A delivery car went from Candle ford to Lark Rise and back at an average speed of $\frac{2}{3}$ miles per hour. If the distance from Candleford to Lark Rise is 1 mile, and the trip back too half as much time as the trip there, what was the average speed of the delivery car on the way to Lark Rise?

A. $\frac{1}{3}$
B. $\frac{3}{4}$
C. $\frac{1}{2}$
D. $\frac{2}{3}$

View Answer	Favorite Question	Report

Answer: Option C

Explanation:

Wrong Question

Wrong Answer

Wrong Question Spelling

Wrong Answer Spelling

Wrong Explanation

বাংলাদেশ পেট্রোলিয়াম ইনস্টিটিউট (সহকারী পরিচালক) 18-12-2020 || 2020

A. 1.75x
B. 1.8x
C. 1.9x
D. 2x

View Answer	Favorite Question	Report

Answer: Option B

Explanation:

Wrong Question

Wrong Answer

Wrong Question Spelling

Wrong Answer Spelling

Wrong Explanation

বাংলাদেশ তেল- গ্যাস ও খনিজসম্পদ কর্পোরেশন (পেট্রোবাংলা) || সহকারী ব্যবস্থাপক (22-11-2024) || 2024

A. 20
B. 23
C. 25
D. 32

View Answer	Favorite Question	Report

Answer: Option C

Explanation:

Wrong Question

Wrong Answer

Wrong Question Spelling

Wrong Answer Spelling

Wrong Explanation

উত্তরা ব্যাংক | অ্যাসিস্ট্যান্ট অফিসার | 23-07-2022

A. Tk. 7,000
B. Tk. 6,860
C. Tk. 6,850
D. Tk. 6,500

View Answer	Favorite Question	Report

Answer: Option B

Explanation:

Wrong Question

Wrong Answer

Wrong Question Spelling

Wrong Answer Spelling

Wrong Explanation

বাখরাবাদ গ্যাস ফিল্ড লি. || সহকারী ব্যবস্থাপক/সহকারী কর্মকর্তা (16-10-2021)

A. 4/3
B. 5/3
C. 7/3
D. 8/3

View Answer	Favorite Question	Report

Answer: Option D

Explanation:

Wrong Question

Wrong Answer

Wrong Question Spelling

Wrong Answer Spelling

Wrong Explanation

বাংলাদেশ সিকিউরিটিজ অ্যান্ড এক্সচেঞ্জ কমিশন(সহকারী পরিচালক) 19-06-2021

A. 570
B. 680
C. 1020
D. none

View Answer	Favorite Question	Report

Answer: Option D

Explanation:

Wrong Question

Wrong Answer

Wrong Question Spelling

Wrong Answer Spelling

Wrong Explanation

BCSIC নিয়োগ পরীক্ষা - ২০১৮ পদ: এক্সটেনশন অফিসার তারিখ: ০৯-১১-২০১৮

7411 . A man in a train notice that he can count 21 telephone posts in one minute.. If they are known to be 50 meters apart, then at what speed is the train travelling?

BdMerit-এর ১ বছরের প্রিমিয়াম প্যাকেজ কিনে ১০ মাস নিয়মিত প্রস্তুতি নিন—

এর মধ্যে চাকরি না হলে- 🎁 BdMerit দিবে ১০০% ক্যাশব্যাক!

🚀 আজই ডাউনলোড করুন bdMerit-এর অ্যাপ▶️ এবং আপনার সাফল্যের পথ সুগম করুন!

7412 . A man buys a cycle for Tk. 1,400 and sells it at a loss of 15%. What is the selling price of the cycle?

7413 . A man's speed with the current of a river is 15 km/hr and the speed of the current is 2.5 km/hr. What is the man's speed against the current?

7414 . A man's regular pay is Taka 30 per hour up to 40 hours. Overtime is twice the payment for regular time. If he was paid Taka 1680, how many hours overtime did he work ?

7415 . A machine can produce 10 units in 5 hours. Another machine can produce 5 units in 10 hours. Working together, how many units can they produce in 30 hours?

7416 . a is greater than b ny 2 and b is greater than c by 10, If (a+b+c) =130, then b+c-a=?

7417 . A fruit seller had some apples. He sells 40% apples and still has 420 apples. How many apples he had at the begining?

7418 . A farmer had 17 hens. All but 9 died. How many live hens were left?

7419 . A dog takes 3 leas for every 5 leaps of a hare. If one leap of the dog is equal to 3 leaps of the hare, the ratio of the speed of the dog to that of the hare is:

7422 . A cricket team has won 40 games out of 60 played. It has 32 more games to play. How many of these must the team win to make it record 70% win for the season?

7423 . A credit sale of Tk. 7,500 is made on June 13, terms 2/10, net/30. A return of Tk. 500 is granted on June 16. The amount received as payment in full on June 23 is

7424 . A container holds 4 quarts of chemical and 4 quarts of water. How many quarts of water must be added to the container to create a mixture that is 3 parts chemical to 5 parts water by volume?

7425 . a complets a job in 6 days,c in 20 days and d in 24 days if taka 8670 is to be devided among them, then b will get how much more than c?

কোর্স ক্যাটাগরি

প্রয়োজনীয় লিঙ্ক

7411 . A man in a train notice that he can count 21 telephone posts in one minute.. If they are known to be 50 meters apart, then at what speed is the train travelling?

BdMerit-এর ১ বছরের প্রিমিয়াম প্যাকেজ কিনে ১০ মাস নিয়মিত প্রস্তুতি নিন—

এর মধ্যে চাকরি না হলে- 🎁 BdMerit দিবে ১০০% ক্যাশব্যাক!

🚀 আজই ডাউনলোড করুন bdMerit-এর অ্যাপ▶️ এবং আপনার সাফল্যের পথ সুগম করুন!

7412 . A man buys a cycle for Tk. 1,400 and sells it at a loss of 15%. What is the selling price of the cycle?

7413 . A man's speed with the current of a river is 15 km/hr and the speed of the current is 2.5 km/hr. What is the man's speed against the current?

7414 . A man's regular pay is Taka 30 per hour up to 40 hours. Overtime is twice the payment for regular time. If he was paid Taka 1680, how many hours overtime did he work ?

7415 . A machine can produce 10 units in 5 hours. Another machine can produce 5 units in 10 hours. Working together, how many units can they produce in 30 hours?

7416 . a is greater than b ny 2 and b is greater than c by 10, If (a+b+c) =130, then b+c-a=?

7417 . A fruit seller had some apples. He sells 40% apples and still has 420 apples. How many apples he had at the begining?

7418 . A farmer had 17 hens. All but 9 died. How many live hens were left?

7419 . A dog takes 3 leas for every 5 leaps of a hare. If one leap of the dog is equal to 3 leaps of the hare, the ratio of the speed of the dog to that of the hare is:

7422 . A cricket team has won 40 games out of 60 played. It has 32 more games to play. How many of these must the team win to make it record 70% win for the season?

7423 . A credit sale of Tk. 7,500 is made on June 13, terms 2/10, net/30. A return of Tk. 500 is granted on June 16. The amount received as payment in full on June 23 is

7424 . A container holds 4 quarts of chemical and 4 quarts of water. How many quarts of water must be added to the container to create a mixture that is 3 parts chemical to 5 parts water by volume?

7425 . a complets a job in 6 days,c in 20 days and d in 24 days if taka 8670 is to be devided among them, then b will get how much more than c? ​

7425 . a complets a job in 6 days,c in 20 days and d in 24 days if taka 8670 is to be devided among them, then b will get how much more than c?