Dear students, Here is an important list of MCQs of Mathematics Chapter 1 for board exams 2025 based on NCERT syllabus.
The following question set will help you practice one type of question in one place, which is beneficial in getting practice on a particular topic.
Question 1
For any two positive integers ‘a’ and ‘b’ :
A) a = HCF(a, b) x b
B) a x b = LCM(a, b)
C) b = HCF(a, b) x LCM(a,b)
D) a x b = HCF(a, b) x LCM(a, b)
Answer
(D)
Question 2
If the LCM of (26,156) is 156, the value of HCF will be:
A) 156
B) 26
C) 13
D) 6
Answer
(B)
Question 3
It is given that LCM(12, 21) = 84, find HCF(12, 21):
A) 3
B) 6
C) 7
D) 33
Answer
(A)
Question 4
If HCF ( 99, 153) = 9, Find the LCM ( 99, 153) :
A) 1428
B) 1683
C) 1242
D) 1553
Answer
(B)
Question 5
Given that LCM(132, 288) = 3168. Find HCF (132, 288):
A) 132
B) 238
C) 48
D) 12
Answer
(D)
Question 6
Given that HCF ( 255, 867) = 51, find the value of LCM ( 255, 867)
A) 4335
B) 2584
C) 4362
D) none
Answer
(A)
Question 7
Find HCF of 867 and 255
A) 53
B) 87
C) 17
D) 51
Answer
(D)
Question 8
The HCF of the numbers 182 and 78 is:
A) 15
B) 13
C) 26
D) 39
Answer
(C)
Question 9
The LCM of 15, 18 and 24 is:
A) 240
B) 360
C) 120
D) none
Answer
(B)
Question 10
Find the HCF of 2520 and 10530:
A) 180
B) 270
C) 90
D) none
Answer
(C)
Question 11
Find the HCF of 96 and 404:
A) 32
B) 4
C) 404
D) 96
Answer
(B)
Question 12
What is the HCF of 18, 21, and 27?
A) 6
B) 9
C) 3
D) 12
Answer
(C)
Question 13
What is the LCM of 6, 72, and 120?
A) 51640
B) 720
C) 560
D) 360
Answer
(D)
Question 14
The HCF of 3000 and 525:
A) 750
B) 75
C) 25
D) 150
Answer
(B)
Question 15
The product of any two given numbers is equal to :
A) \(HCF\times LCM\)
B) \(\frac{LCM}{HCF}\)
C) \(\frac{HCF}{LCM}\)
D) \(LCM^{2}\times HCF\)
Answer
(B)
Question 16
The LCM of 18 and ‘k‘ is 36 and the HCF of ‘k‘ and 18 is 2. What is the value of ‘k‘ :
A) 4
B) 3
C) 1
D) 2
Answer
(A)
Question 17
The HCF of 152 and 95 is:
A) 38
B) 57
C) 19
D) 1
Answer
(C)
Question 18
If the HCF of 26 and 169 is 13, find the LCM of those numbers:
A) 52
B) 78
C) 104
D) 338
Answer
(D)
Question 19
Find the LCM of 36, 40, 126:
A) 2520
B) 360
C) 1080
D) 720
Answer
(A)
Question 20
Find the HCF of 84, 90, and 120:
A) 12
B) 18
C) 6
D) 1
Answer
(C)
