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Microorganisms that suppress plant diseases are called antagonistic microorganisms or biological control agents.
A farmer has 1517 cows and 902 sheep. He farms them into flocks, keeping cows and sheep separate and having the same number of animals in each flock. If...
Find the HCF of 245, 350 and 385.
Two numbers are in the ratio 3:7. The product of their H.C.F. and L.C.M. is 2541. The sum of the numbers is:
The LCM of two numbers is 4 times of their HCF. The sum of LCM and HCF is 280. If one of the number is 224, then the other number is:
Let N be the greatest number that will divide 72, 105, 138 leaving the same remainder in each case. Then sum of the digits in N is:
Find the greatest number that will divide 115, 149 and 183 leaving remainders 3, 5, 7 respectively.
The LCM of two numbers is 12 times their HCF. The sum of LCM and HCF is 403 and if both the number are smaller than their LCM. Find both the numbers?
If HCF of two numbers is 11 then which of the following can never be their LCM?
