Four machines make a beep after every 1, 3, 5 and 2 min respectively . In 5hrs , how many times do they beep together if they have just beeped t...
The LCM of two numbers is 1991 and their HCF is 23. If one of the numbers is 181, the other number is
The greatest number of four digits which when divided by 5, 7, 9 leave remainders 3, 5, 7 respectively is:
The HCF and LCM of the two numbers are 225 and 360 respectively. When the first number is divided by 3, the quotient is 20. The other number is.
Find the smallest multiple of 10 that, when divided by 4, 6, and 9, leaves a remainder of 4 in each case.
The sum of two numbers is 126 and their HCF is 14. Total number of such pairs of numbers is?
What is the HCF of 36 and 198?
Tell the product of two numbers, which are LCM 917 and HCF 1
LCM of 21 5 , 21 10 and 21 15 is?
(1). 21 5
(2). 21 15
(3).2130
The LCM of two numbers is 63 and their HCF is 7. How many such pairs of numbers are possible?
