When the square of the difference of two natural numbers is subtracted from the square of the sum of the same two numbers and the result is divided by four, we get
Question and options
When the square of the difference of two natural numbers is subtracted from the square of the sum of the same two numbers and the result is divided by four, we get
- the product of the LCM and HCF of the two numbers
- the HCF of the two numbers
- the LCM of the two numbers
- the square of the product of the two numbers
Answer and explanation
Correct answer: A - the product of the LCM and HCF of the two numbers
((a+b)^2-(a-b)^2)/4 = ab, and the product of two numbers equals LCM x HCF.
Practice for these exams
-
IPMAT Indore
Related question papers
Related exam syllabi
More solved explanations in Arithmetic
- A vessel of 160 L is filled with a mixture of milk and water. 70% of the milk and 30% of the water are taken out of the vessel, and it is found that the vessel is…
- The sum of ages of 5 children born at the intervals of 3 years each is 50 years. What is the age of the youngest child?
- Sam's monthly salary is Rs. 10,100. His son's monthly salary is Rs. 8,200. How much should they save so that they are left with 85% of their income to expend?
- A consignment of 15 wrist watches contains 4 defectives. The watches are selected at random, one by one, and examined; the ones examined are not replaced. What is…
- A bag contains 5 red, 4 green and 3 black balls. If three balls are drawn out of it at random, find the probability of drawing exactly 2 red balls.