Real Number Class 10 Que 1 If a= x⁴y²,b= x²y³ then LCM (a,b) is a) x⁸y⁶ b ) x⁶y⁵ c) x⁴y³ d) none of these Ans ( c) Que 2 If LCM (32,a) = 64 and HCF (32,a) = 4 then value of a is a) 16 b ) 8 c) 20 d) 10 Ans (b) Que 3 Three bells rings at intervals 5,3,15 minutes. All three rang at 10 am when will the...