18 Views

The HCF of two numbers is 7 and their LCM is 84 . If one of the numbers is 21 then find the other number.


Safeer PP 13th Dec, 2021
Answer (1)
Safeer PP 13th Dec, 2021

Let the other number be a.

We know that,

(HCF of the two numbers) x (LCM of the two numbers)= Product of Two numbers

Now, 7×84=21×a

588=21a

Which on dividing both sides by 21 ,

We get, a=28

The other number is 28 .

Related Questions

Chandigarh University Admissi...
Apply
Ranked #1 Among all Private Indian Universities in QS Asia Rankings 2025 | Scholarships worth 210 CR
Amity University, Noida Law A...
Apply
700+ Campus placements at top national and global law firms, corporates, and judiciaries
Amity University, Noida BBA A...
Apply
Ranked amongst top 3% universities globally (QS Rankings)
UPES | BBA Admissions 2025
Apply
#41 in NIRF, NAAC ‘A’ Grade | 100% Placement, up to 30% meritorious scholarships | Last Date to Apply: 28th Feb
MAHE Manipal M.Tech 2025
Apply
NAAC A++ Accredited | Accorded institution of Eminence by Govt. of India | NIRF Rank #4
Sanskriti University LLM Admi...
Apply
Best innovation and research-driven university of Uttar Pradesh
View All Application Forms

Download the Careers360 App on your Android phone

Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile

150M+ Students
30,000+ Colleges
500+ Exams
1500+ E-books