CSS - PMS - CCE - PCS - Mathematics
HCF and LCM
What is the greatest possible length of equal pieces that can exactly divide lengths 39 cm and 43 cm?
A. 1 cm
B. 43 cm
C. 1677 cm
D. 82 cm
Correct Answer: A
The greatest equal length is the HCF of 39 and 43, which is 1 cm.
CSS - PMS - CCE - PCS - Mathematics
HCF and LCM
What is the least positive number exactly divisible by both 36 and 38?
A. 2
B. 684
C. 1368
D. 74
Correct Answer: B
The least common multiple is 684.
CSS - PMS - CCE - PCS - Mathematics
HCF and LCM
The HCF of two numbers is 33 and their LCM is 33. If one number is 33, what is the other number?
A. 33
B. 36
C. 35
D. 34
Correct Answer: A
Product of two numbers = HCF × LCM. Other number = 33×33/33 = 33.
CSS - PMS - CCE - PCS - Mathematics
HCF and LCM
Find the LCM of 30 and 28.
A. 420
B. 2
C. 840
D. 422
Correct Answer: A
LCM(30,28) = 420.
CSS - PMS - CCE - PCS - Mathematics
HCF and LCM
Find the HCF of 27 and 23.
A. 2
B. 621
C. 3
D. 1
Correct Answer: D
The greatest integer dividing both 27 and 23 is 1.
CSS - PMS - CCE - PCS - Mathematics
HCF and LCM
What is the greatest possible length of equal pieces that can exactly divide lengths 24 cm and 18 cm?
A. 24 cm
B. 42 cm
C. 72 cm
D. 6 cm
Correct Answer: D
The greatest equal length is the HCF of 24 and 18, which is 6 cm.
CSS - PMS - CCE - PCS - Mathematics
HCF and LCM
What is the least positive number exactly divisible by both 21 and 93?
A. 1953
B. 114
C. 3
D. 651
Correct Answer: D
The least common multiple is 651.
CSS - PMS - CCE - PCS - Mathematics
HCF and LCM
The HCF of two numbers is 2 and their LCM is 792. If one number is 18, what is the other number?
A. 792
B. 88
C. 18
D. 2
Correct Answer: B
Product of two numbers = HCF × LCM. Other number = 2×792/18 = 88.
CSS - PMS - CCE - PCS - Mathematics
HCF and LCM
Find the LCM of 15 and 83.
A. 1245
B. 1247
C. 1
D. 1246
Correct Answer: A
LCM(15,83) = 1245.
CSS - PMS - CCE - PCS - Mathematics
HCF and LCM
Find the HCF of 12 and 78.
A. 5
B. 8
C. 156
D. 6
Correct Answer: D
The greatest integer dividing both 12 and 78 is 6.
CSS - PMS - CCE - PCS - Mathematics
HCF and LCM
What is the greatest possible length of equal pieces that can exactly divide lengths 79 cm and 73 cm?
A. 79 cm
B. 5767 cm
C. 152 cm
D. 1 cm
Correct Answer: D
The greatest equal length is the HCF of 79 and 73, which is 1 cm.
CSS - PMS - CCE - PCS - Mathematics
HCF and LCM
What is the least positive number exactly divisible by both 76 and 68?
A. 1292
B. 4
C. 5168
D. 144
Correct Answer: A
The least common multiple is 1292.
CSS - PMS - CCE - PCS - Mathematics
HCF and LCM
The HCF of two numbers is 1 and their LCM is 4599. If one number is 73, what is the other number?
A. 73
B. 63
C. 1
D. 4599
Correct Answer: B
Product of two numbers = HCF × LCM. Other number = 1×4599/73 = 63.
CSS - PMS - CCE - PCS - Mathematics
HCF and LCM
Find the LCM of 70 and 58.
A. 2
B. 2030
C. 4060
D. 2032
Correct Answer: B
LCM(70,58) = 2030.
CSS - PMS - CCE - PCS - Mathematics
HCF and LCM
Find the HCF of 67 and 53.
A. 1
B. 3
C. 2
D. 3551
Correct Answer: A
The greatest integer dividing both 67 and 53 is 1.
CSS - PMS - CCE - PCS - Mathematics
HCF and LCM
What is the greatest possible length of equal pieces that can exactly divide lengths 64 cm and 48 cm?
A. 16 cm
B. 192 cm
C. 64 cm
D. 112 cm
Correct Answer: A
The greatest equal length is the HCF of 64 and 48, which is 16 cm.
CSS - PMS - CCE - PCS - Mathematics
HCF and LCM
What is the least positive number exactly divisible by both 61 and 43?
A. 2623
B. 1
C. 104
D. 2624
Correct Answer: A
The least common multiple is 2623.
CSS - PMS - CCE - PCS - Mathematics
HCF and LCM
The HCF of two numbers is 2 and their LCM is 1102. If one number is 58, what is the other number?
A. 38
B. 1102
C. 58
D. 2
Correct Answer: A
Product of two numbers = HCF × LCM. Other number = 2×1102/58 = 38.
CSS - PMS - CCE - PCS - Mathematics
HCF and LCM
Find the LCM of 55 and 33.
A. 176
B. 11
C. 165
D. 1815
Correct Answer: C
LCM(55,33) = 165.
CSS - PMS - CCE - PCS - Mathematics
HCF and LCM
Find the HCF of 52 and 28.
A. 364
B. 6
C. 3
D. 4
Correct Answer: D
The greatest integer dividing both 52 and 28 is 4.