New Master Descriptive Writing with our RBI One-Month Batch!
Register

Question

HCF of two numbers 60 and 100 can be expressed in the form of (25m – 80) whereas LCM of these two numbers can be expressed in the form of (40n – 20). Find the ratio of (n × m).

A 32 Correct Answer Incorrect Answer
B 63 Correct Answer Incorrect Answer
C 56 Correct Answer Incorrect Answer
D 28 Correct Answer Incorrect Answer
E 72 Correct Answer Incorrect Answer

Solution

HCF of 60 and 100 = 20 LCM of 60 and 100 = 300 According to the question, => 25m – 80 = 20 => m = 4 And, 40n – 20 = 300 => n = 8 Required answer = n x m = 32

Practice Next

Relevant for Exams:

×
×