Quantitative Aptitude : H.C.F. and L.C.M.

1.  The product of two numbers is 6300. Their H.C.F. is 15. Find their L.C.M.

 A : 450

 B : 320

 C : 430

 D : 420

 E : None of these

2. The L.C.M. of two numbers is 510 and H.C.F. is 34. Find the smaller number amongst them.

 A : 102

 B : 170

 C : 85

 D : 68

 E : None of these

3. The product of two numbers is 588. Their H.C.F is 7. Find the smaller number among them.

 A : 28

 B : 14

 C : 21

 D : 35

 E : None of these

4. Find the smallest of the three digit numbers which when divided by 5, 7 and 14 the remainder is 3 in all the cases.

 A : 137

 B : 213

 C : 143

 D : 140

 E : None of these

5. The H.C.F. of two numbers is 72. One of those numbers is 144 and the other number lies in the range between 500 and 600. Find the second number.

 A : 576

 B : 570

 C : 578

 D : 504

 E : None of these

Answer 1 : D Answer 2 : A Answer 3 : C Answer 4 : C Answer 5 : D