একটি কুকুর একটি খরগোশকে ধরার জন্য তাড়া করে। কুকুর যে সময়ে ৪ বার লাফ দেয়, খরগোশ সে সময়ে ৫ বার লাফ দেয়। কিন্তু খরগোশ ৪ লাফে যতদূর যায়, কুকুর ৩ লাফে ততদূর যায়। কুকুর ও খরগোশের গতিবেগের অনুপাত কত?
A. ১৫ঃ ১৬
B. ২০ঃ ১২
C. ১৬ঃ ১৫
D. ১২ঃ ২০
সঠিক উত্তরঃ
C.
১৬ঃ ১৫
Explanation:
Related Questions (Any University/Year)
- তিন সদস্যের একটি বিতর্ক দলের সদস্যদের গড় বয়স ২৪ বছর। যদি কোনো সদস্যের বয়সই ২১ বছরের নিচে না হয় তবে তাদের কোনো একজনের সর্বোচ্চ বয়স কত হতে পারে?
- Two boats on the opposite shores of a river start moving towards each other. When they pass each other they are 750 yards from one shoreline. They each continue to the opposite shore, immediately turn around and start back. When they meet again they are 250 yards from the other shoreline. Each boat maintains a constant speed throughout. How wide is the river?
- Sum of ages of sunny and Imran is Y years. If sunny is 12 years older than Imran , how many years old will Imran be Y years from now, in terms of Y?
- A trader normally makes a profit of 40 % on items he sells . If he reduces the price by 10% his sales increased by 40% . Let x be the total profit when he doesn't reduce the price and y the total profit when he reduces the price what is the ratio of y to x ?
- Long distance phone calls cost ten cents for the first minute plus four cents for each additional minute... Let m equal the total number of minutes.
- Two workers, working separately but at the same speed, take hours 40 minutes to complete a particular task, How long will one of these two workers take to complete the same task alone?
- যখন প্রতি ফুট দড়ি ১০ টাকায় বিক্রি হয়, তখন ৬০ টাকায় তুমি কত ফুট দড়ি ক্রয় করতে পারবে?
- কোন সংখ্যার 3/8 অংশ 27 ?
- A car completes a journey in 11 hours, the first half at 30 km/hr and the second half at 25 km/hr. Find the distance travelled?
- The price of a Laptop is 120% of its cost. The laptop was sold at 10% discount on the price, If the profit is Tk. 2400, what was the cost of the laptop is Tk.?
- 9 numbers are written in ascending order, middle number is average of that nine numbers. Average of five larger numbers is 68 and also average of five smaller numbers is 44. What is the sum of all nine numbers?
- Helen runs a 30-mile course at a constant rate of 4 miles per hour. If Chinu runs the same track at a constant rate and completes the course in 90 fewer minutes, how fast did Chinu run?
- A machine puts c caps on bottles in m minutes. How many hours will it take to put caps on b bottles?
- The electric company charge: Tk 0.3 per KWH. Rahim used 2800 KWH in April, 3200KWH in May, and 3600 KWH in June. What was his average costs of electricity in taka for the 3 months?
- Find the average of all whole numbers between 1 and 100 that end in 3.
- The cost of two litres of Oil and its container is taka 100 . If the cost of the container is taka 23 less than the cost of one litre of oil , what is the cost of 1 litre of oil ?
- Of 48 applicants, 28 had at least 5 years experience, 30 had MBA degree, and 10 had less than 5 years experience and no MBA degree. How many of the applicants had at least 5 years' experience and an MBA degree?
- Mr. Quddus rents a room for N months. He pays Tk. K for each of the first 7 months, and half that rate for each additional month. Find the total charge if N > 7.
- ২-এর কত শতাংশ ৮ হবে?
- x কে ৭ দিয়ে ভাগ করলে ভাগশেষ হয় ১। যদি y কে ৭ দিয়ে ভাগ করা হয় তাহলে ভাগশেষ হয় ২। তাহলে, x + y কে ৭ দিয়ে ভাগ করলে ভাগশেষ কত হবে?