- Remaining Timing :-
(1). The L.C.M of two numbers is 1428 and their H.C.F is 102. If one of the number is 204. Find the other number?
- (a). 754
- (b). 523
- (c). 814
- (d). 714
- (e). None of these
Explanation:
(2). The HCF of two number is 1/5th of their LCM. If the product of the two numbers is 720, the HCF is___?
- (a). 12
- (b). 20
- (c). 15
- (d). 18
- (e). None of these
Explanation:
(3). The HCF of two number is 1/6th of their LCM. If the product of the two numbers is 384, the HCF is___?
- (a). 15
- (b). 16
- (c). 5
- (d). 8
- (e). None of these
Explanation:
(4). The LCM of two numbers 14 times their HCF. The sum of LCM and HCF is 600. If one number is 80, then the other is _____,
- (a). 40
- (b). 280
- (c). 105
- (d). 160
- (e). None of these
Explanation:
(5). Which of the following pairs is co-prime (number which are prime to each other)
- (a). (6, 18)
- (b). (8, 12)
- (c). (9 , 16)
- (d). (14, 35)
- (e). None of these
Explanation:
(6). Find the two numbers whose HCF is 15 and their product is 5400.
- (a). (15,360) or( 45, 120)
- (b). (10,540) or( 9, 600)
- (c). (15,180) or( 45, 120)
- (d). (30,180) or( 80, 120)
- (e). None of these
Explanation:
(7). The HCF of two numbers is 5 and product of their L.C.M and H.C.F is 750 . Find two numbers.
- (a). (15,50) or ( 5, 150)
- (b). (10,75) or ( 20, 12)
- (c). (25,30) or ( 15, 50)
- (d). (25,60) or ( 90, 10)
- (e). a) and c)
Explanation:
(8). The HCF of two numbers is 2 and their product is 12. Find the two numbers.
- (a). 4 , 1
- (b). 2 , 8
- (c). 3 , 5
- (d). 2 , 6
- (e). None of these
Explanation:
- (a). 1
- (b). 2
- (c). 3
- (d). 4
- (e). None of these
Explanation:
- (a). 1
- (b). 2
- (c). 3
- (d). 4
- (e). None of these
Explanation: