Advertisements
Advertisements
Question
The HCF of this pair of numbers is not 1.
Options
13, 17
29, 20
40, 20
14, 15
Advertisements
Solution
40, 20
Explanation:
40 = 2 × 2 × 2 × 5
20 = 2 × 2 × 5
The HCF of 20 and 40 is 2 × 2 × 5 or 20.
RELATED QUESTIONS
Find out the LCM of the following number:
9, 15
Veena has some beads. She wants to make necklaces with an equal number of beads in each. If she makes necklaces of 16 or 24 or 40 beads, there is no bead left over. What is the least number of beads with her?
Find the LCM:
10, 15, 20
Find the LCM:
105, 195
Find the smallest number which when divided by 8, 9, 10, 15, or 20 gives a remainder of 5 every time.
The circumferences of four wheels are 50 cm, 60 cm, 75 cm, and 100 cm. They start moving simultaneously. What least distance should they cover so that each wheel makes a complete number of revolutions?
Find the LCM set of numbers using prime factorisation method.
6, 9
Find the LCM set of numbers using prime factorisation method.
8, 12
The number divisible by 5 with no remainder
The numbers which divides 35 without remainders are _______, ________, ________
