The product of two numbers is 72. If 24 is their LCM what is their HCF?
A. 24
B. 36
C. 2
D. 3
E. None of these
সঠিক উত্তরঃ
D.
3
Explanation:

Related Questions (Any University/Year)
- What is the simplified result of following the steps below in order?(1) add 5y to 2x (2)multiply the sum by 3 (3)subtract X + Y from the product
- একটি ঝুড়িতে আপেল এবং কমলা মিলিয়ে ২১ টি ফল আছে।প্রতিটি আপেল ১৫ টাকা এবং কমলা ১৮ টাকা দামে কেনা হয়েছে।সবগুলো ফল কিনতে যদি ৩৪৮ টাকা খরফ হয় তবে আপেল এবং কমলার মোট দামের পার্থক্য কত?
- The figure below shows a path around a triangular piece of land. Mary walked the distance of 8 miles from P to Q and then walked the distance of 6 miles from Q to R. If Taha walked directly from P to R, by what percent did the distance that Mary walked exceed the distance that Taha walked?
- 42 m দৈর্ঘ্যের রাস্তায় 2m অন্তর একটি করে চারা লাগালে কতটি চারা লাগবে?
- Arif bought 17 pens of three colors - black, green and red which cost Tk 5, Tk 10 and Tk 25 each. The total amount that Arif paid was Tk 205. If Arif bought twice as many green pens as red pens, how many black pens did he buy?
- A trader normally makes a profit of 40% on items he sells. If he reduces the price by 10%, his sales increase by 40%. Let x be the total profit when he does not reduce the price, and y the total profit when he reduces the price. What is the ratio of y to x?
- A pump can fill a trunk with water in 2 hours. Because of a leak, it took 2 and 1/3 hours to fill the tank. The leak can drain all water of the tank in.
- The elecrtic company charge : Tk 0.3 per KWH. Rahim used 2800 KWH in April, 3200 KWH in May, and 3600 KWH in June. What was his average costs of electricity in taka for the 3 months?
- Bill can hammer 20 nails in 6 minutes. Jeff can do the same job in only 5 minutes. How long will it take them to finish if Bill hammers the first 5 nails, then Jeff hammers for 3 minutes then Bill finishes the job?
- In a class of 78 students 41 are taking French, 22 are taking German. One of the students taking French or German, 9 are taking both courses. How many students are not enrolled in either course?
- Last year 7000 students took the admission test were the ratio of girls to boys was 6:4. Only 2% of the boys met the cut-off marks. The number of such boys was:
- 150 meter long train takes 10 seconds to pass a man who is going in the same direction at the speed of \(2~km/hr.\) what is the speed of the train?
- A company has 3,600 employees among which 1/3 are clerical. If the clerical staff is reduced by 1/3, what percent of the total employees would be clerical staff?
- The average weekly salary per head of all employees is tk .1000 (Supervisors and labours). the average weekly per head salary of all supervisors is TK. 6000 while the average weekly salary per head of all labours is TK .750 ,if there are 840 labours in it find the number of supervisors
- During a particular day, x number of applicants came to IBA to submit their applications before lunch. Of them 70% were male applicants. On the same day, y number of applicants came to submit their application after lunch and all of them were male applicants. On that particular day , the ratio of male applicants to female applicants was 4:1. Calculate y in terms of x.
- ৫ জন পুরুষ বা ৮ জন স্ত্রীলোক একটি কাজ ১৪ দিনে শেষ করতে পারলে ১০ জন পুরুষ ও ১২ জন স্ত্রীলোক একরে কত দিনে কাজটি শেষ করতে পারবে ?
- Quazi has a wheat business. He purchases wheat from a local wholesaler at a particular cost per pound. The price of wheat at his stores is $3 per pound. His faulty spring balance reads 0.9 pounds for a pound. Also, in the festival season, he gives a 10% discount on the wheat. He found that he made neither a profit nor a loss in the festive season. At what price (per pound) did Quazi purchase the wheat from the wholesaler?
- একটি ক্লাস ২৪ জন ছাত্রের গড় ওজন ৩৬ কেজি।এর সাথে ১ জন শিক্ষকের ওজন যোগ করা হলে গড় ওজন ১ কেজি বৃদ্ধি পায়।শিক্ষকের ওজন কত?
- If it takes 5 minutes to boil an egg, how much time it will take to boil 10 eggs?
- ডাক্তার রোগীকে প্রতি ২ ঘন্টা পর পর খাওয়ার জন্য ৬টি বড়ি দিলেন। শেষ বড়িটি রোগী কত ঘণ্টা পরে খাবেন?