question_answer1) Read the given options and choose the correct one?
A) HCF of two consecutive prime numbers is always greater than 1
B) 2 is not the smallest prime number
C) If two numbers and their HCF and LCM are represented on the number line, then LCM would be nearest to the origin
D) Product of two numbers is not equal to the product of their LCM and HCF.
E) None of these
View Answer play_arrowA) Yes
B) No
C) Data is insufficient
D) All of these the
E) None of these
View Answer play_arrowquestion_answer3) HCF of three and four digit greatest number is:
A) One digit smallest number
B) One digit greatest number
C) Lowest prime number
D) Lowest composite number
E) None of these
View Answer play_arrowA) 10
B) 20
C) 24
D) 30
E) None of these
View Answer play_arrowquestion_answer5) Find the LCM of 20, 30 and 50.
A) 300
B) 150
C) 160
D) 400
E) None of these
View Answer play_arrowA) 30
B) 12
C) 16
D) 15
E) None of these
View Answer play_arrowA) 1 is false and 2 is true
B) 1 is true and 2 is false
C) Both are false statements
D) Both are true statements
E) None of these
View Answer play_arrowA) 1, 2, 3, 4, 6, 9, 12, 18, 36
B) 1, 3, 4, 6, 9, 18, 36
C) 1, 2, 3, 6, 9, 12, 36
D) All of these
E) None of these
View Answer play_arrowquestion_answer9) What is the HCF of any two consecutive odd numbers?
A) 1
B) 0
C) 6
D) All of these
E) None of these
View Answer play_arrowA) 2
B) 5
C) 11
D) 7
E) None of these
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