Subject
Quantitative Aptitude
Topic
LCM & HCF
Which of the following is always true?
Which of the following is always true?
ক)
HCF(a,b) + LCM(a,b) = a + bখ)
HCF(a,b) × LCM(a,b) = a × bগ)
HCF(a,b) - LCM(a,b) = a - bঘ)
HCF(a,b) ÷ LCM(a,b) = a ÷ bExplanation
*সঠিক উত্তর হল b) HCF(a,b) × LCM(a,b) = a × b -এটি একটি প্রমাণিত সূত্র যা সর্বদা সত্য।Related questions
If HCF(a,b) = 12, LCM(a,b) = 420, and a < b, then a + b = ?The H.C.F and L.C.M of two numbers are 11 and 385 respectively. If one number lies between 75 and 125 , then that number isThe HCF of three numbers is 8 and their LCM is 1680. If two of the numbers are 56 and 120, what is the third number?The least multiple of 7, which leaves a remainder of 4, when divided by 6, 9, 15 and 18 is:What is the least number when divided by 4,5,6 leaves remainder 3 in each case?If a² - b² = 48 and ab = 140, then what is the HCF(a,b)?The smallest number which when diminished by 7, is divisible by 12, 16, 18, 21 and 28 isIf 2ⁿ × 3ᵐ × 5ᵖ = 1500, then n + m + p = ?