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Three boys runs around a circular track and takes 20 min, 25 min and 30 min respectively to complete the one round. When do they all come relatively to ...
LCM of 21 5 , 21 10 and 21 15 is?
(1). 21 5
(2). 21 15
(3).2130
The L.C.M of a² – 2a – 3 and a³ + a² + a + 1 is
Find the smallest number which when divided by 3, 4, 5 and 6 gives remainder ‘2’ in each case?
The sum of two numbers is 65 and their HCF is 13. Total number of such pairs of numbers is?
Find the HCF of 3341 and 3328.
Find the LCM of x² – 8x + 15 and x² – 5x + 6 is.
If HCF of two numbers is 11 then which of the following can never be their LCM?
The product of the two prime numbers is 187. What will the L.C.M of these two numbers?