# math

posted by
**stan**
.

Q.1)Find hcf and lcm of the following using fundamntal theorem of arithematic

12,720 and 540.

Q.2)Find the greatest number which divides 418,1354 and 2146 exactly leaving remainder 10 in each case.

Q.3)If product of HCF and LCM of two numbers is 5120.One number is 6.What is their LCM?

Q.4)If 2 and 3 are the zeroes of the polynomial 3x^2-2kx+2m,find the values of k and m.

Q.5)Find a Q.polynomial whose zeros are 2+root5 and 2-root5.