The number between 3000 and 4000 which is exactly divisible by 30, 36 and 80 is
1). 3625
2). 3250
3). 3500
4). 3600
HCF and LCM of two numbers are 7 and 140 respectively. If the numbers are between 20 and 45, the sum of the numbers is :
1). 70
2). 77
3). 63
4). 56
If A nad B are the H.C.F and L.C.M. respectively of two algebraic expressions x and y, and A + B = x + y, then the value of $A^{3}+B^{3}$ is
1). $X^{3}-Y^{3}$
2). $X^{3}$
3). $Y^{3}$
4). $X^{3}+Y^{3}$
The LCM of two numbers is 44 times of their HCF. The sum of the LCM and HCF is 1125. If one number is 25, then the other number is
1). 1100
2). 975
3). 900
4). 800
The L.C.M. of two toies numbers is 20 their H.C.F. The sum of H C.F. and L.C.M. is 2520. If one of the number is 480, the other number is :
1). 400
2). 480
3). 520
4). 600