(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

(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

(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

(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

(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

(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

(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)

(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

• (a). 1
• (b). 2
• (c). 3
• (d). 4
• (e). None of these

• (a). 1
• (b). 2
• (c). 3
• (d). 4
• (e). None of these