একটি গাড়ির সামনের ও পেছনের চাকার পরিধি যথাক্রমে ৩ ও ৪ মিটার। গাড়িটি কত কিলোমিটার পথ অতিক্রম করলে সামনের চাকা পেছনের চাকার চেয়ে ১০০ বার বেশি ঘুরবে?
A. ১০০
B. ৩
C. ৪
D. ১.২
সঠিক উত্তরঃ
D.
১.২
Explanation:

Related Questions (Any University/Year)
- টেলিফোনের মোট কল সংখ্যা হল 'n' এবং প্রত্যেক কলের চার্জ হল 'p'। মোট কল চার্জ কত হবে?
- A cricketer has a certain average in 9 innings. In the 10th innings he scored 100 run and thus increases his average by 8 runs. What is his new average?
- In Rajshahi 5 adults are unemployed for every 120 adults who have jobs. Out of 2125 adults, how many have jobs?
- দুইজন ব্যক্তি একটি কাজ একত্রে ৮ দিনে করতে পারে। প্রথম ব্যক্তি কাজটি একা ১২ দিনে করতে পারে। ২য় ব্যক্তি ঐ কাজ একা কতদিনে করতে পারবে?
- 20% of 50 = 50% of?
- If (x +y =a), (Y +z=b) and (x +z =c) what is the average (arithmetic mean ) of x, y and z?
- There were n books in a store. After 1/6th of the books were sold and 5 more books were procured, the total number of books in the shop stood at 65. What was the original number of books in the shop?
- A store usually a certain item at 40% profit. In one week the store has a sale during which the item is sold at 10% less then the usual price. During the sale what is the profit the store makes on the item ?
- A triangle has an angle of 82 degree The ratio of the other two angles is 2: 5 what is the smallest angle of the triangle?
- How many squares with sides ---inch long are needed to cover a rectangle that is 4 feet long and 6 feet wide?
- যদি দুইজন টাইপিস্টের দুই পৃষ্ঠা টাইপ করতে দুই মিনিট সময় লাগে তাহলে ছয় মিনিটে আঠার পৃষ্ঠা টাইপ করতে কতজন টাইপিস্ট লাগবে?
- In a certain class \(\frac{1}{2}\) of the male and \(\frac{2}{3}\) of the female students speak English. If there are \(\frac{3}{4}\) as many females as males in the class, what fraction of the entire class speaks English?
- The ratio of r to s is 3 to 4. The ratio of s to t is 2 to 9. What is the ratio of r to t ?
- A train 75 meters long is running with a speed of 20 km/hr. it will pass a standing man in:
- The price of an article has been reduced 25%. In order to restore the original price, the new price must be increased by
- কোন একটি পণ্যের দাম প্রথমে ১৫% বাড়ানো হলো এবং এরপর ১৫% কমানো হলে দাম-
- A shoe seller sold one pair of shoes for 20 taka. The buyer did not have change and gave the seller a 100 taka note. The seller took taka 100 change since he had none in his cash box from a neighbor businessman and returned the buyer required change plus the shoe he bought. Moments later after the client had left the seller found that he was given a fake note. What was the amount of loss for the seller?
- A picnic was arranged by m students. Total cost of the picnic was estimated to be y taka. Unfortunately, z students withdrew their names from the picnic. How many more taka would each of the remaining students have to pay?
- Shabbir has a brother one-fourth of his age and a sister two times of his age. If the combined age of all the three siblings is twenty more than thrice the age of the youngest, how old is Shabbir's sister?
- চিনির দাম ২০% কমল, কিন্ত চিনির ব্যবহার ২০% বৃদ্ধি পেল। এতে চিনি বাবদ ব্যয় শতকরা কত বাড়ল বা কমল?
- Shabbir has a brother one-fourth of his age and a sister two times of his age. If the combined age of all the three siblings is twenty more than thrice the age of the youngest, how old is Shabbir's sister?
- A man purchased equal number of bananas at two different rates- one at the rate of 8 Taka per dozen and the other at the rate of 10 Taka per dozen.After that,he sold those bananas at an average rate of 11Taka per dozen and thus made a profit of 100 taka .How many dozens of banana did he purchase altogether?
- The present ratio of students to teachers at a certain school is 30 to 1. If the student enrollment were to increase by 50 students and the number of teachers were to increase by 5, the ratio of students to teachers would then be 25 to 1. What is the present number of teachers?
- What is the value of the quotient (6 x 10⁵)/(2 × 10⁻²)?
- If the ratio of the radii of two circles is 3 to 2 then the ration of the areas of the two circles.
- Which one of the following is greater than 2/3?
- ক গাড়ি চালায় ঘন্টায় ৪০ মাইল বেগে । খ গাড়ী চালায় ৩০ মাইল বেগে। তারা দুজনে একসাথে যাত্রা শুরু করে ৪৫০ মাইল দুরের গন্তব্যে যাওয়ার উদ্দেশ্য । খ ক এর কতক্ষন পর গন্তব্যে পৌছাবে?
- Francis had a average of 75 on her first four Geography tests, After taking the next test, her average dropped to 72. How much did she get in the fifth test?
- In a class of 78 students 41 are taking French, 22 are taking German. Of the students taking French or German, 9 are taking both courses. How many students are not enrolled in either course?
- Two trains are running in opposite directions in the same speed. The length of each train is 120 metre. If they cross each other in 12 seconds, the speed of each train (in km/hr) is:
- If 12 men can reap 120 acres of land in 36 days, how many acres of land can 54 men reap in 54 days?
- Rayaan purchased equal number of bananas at two different rates-one at the rate of 8 taka per dozen and the other at the rate of 10 taka per dozen. After that, he sold those bananas at an average rate of 11 taka per dozen and thus made a profit of 100 taka. How many dozens of banana did he purchase altogether?
- Polash started 'a business on the first day of 2008. Qader joined the business of Polash on partnership contract with double investment of Polash on July 1 of 2008. Sohel, on the first day of September 2008, joined the partnership business of Polash and Qader with thrice the investment of Polash. The firm earned a profit of Tk. 72,000 on 31st December, 2008. What will be the share of profit of Sohel?
- Laila invested Tk. 10,000 in a new mutual fund account exactly three years ago. The value of the account increased by 10 percent during the first year, increased by 5 percent during the second year, and decreased by 10 percent during the third year. What is the value of the account today?
- The electric company charge: Tk. 0.30 per kilowatt hour (KWH). Rahim used 2800 KWH in April, 3200 KWH in May, and 3600 KWH in June. What was his average costs of electricity for the 3 months?
- If a man's weekly salary is Tk. P and he saves Tk. M, what faction of his weekly salary does he spend?
- How many sixes did he hit?
- 64 এর 75% এর এক-তৃতীয়াংশ সমান কত ?
- After working for a total of 4 hours at a temporary job, Shams was told that you had just completed 1/4 of the job. How long should it take you to finish the remaining part of the job?
- In Township K each property is taxed at 8 percent of its assessed value. If the assessed value of a property In Township K is increased from $20,000 to $24,000, by how much will the property tax increase?