1. LCM of 24, 36, 60 is:
A) 360 B) 720 C) 180 D) 240
2. HCF of 84, 126 is:
A) 21 B) 14 C) 42 D) 28
3. LCM of 15, 20, 25 is:
A) 300 B) 200 C) 250 D) 100
4. HCF of 48, 180, 210 is:
A) 6 B) 12 C) 24 D) 18
5. LCM of 14, 21, 42 is:
A) 84 B) 42 C) 168 D) 56
6. HCF of 96, 144 is:
A) 24 B) 48 C) 36 D) 12
7. LCM of 18, 24, 32 is:
A) 288 B) 96 C) 144 D) 92
8. HCF of 72, 120, 168 is:
A) 12 B) 24 C) 6 D) 30
9. LCM of 27, 45 is:
A) 135 B) 90 C) 45 D) 120
10. HCF of 210, 385 is:
A) 15 B) 35 C) 70 D) 105
11. LCM of 36, 54, 81 is:
A) 972 B) 108 C) 162 D) 324
12. LCM of fractions 4/9 and 10/21 (denominators only):
A) 63 B) 90 C) 49 D) 21
13. HCF of 63, 189, 315 is:
A) 63 B) 21 C) 9 D) 7
14. HCF of 90, 150, 225 is:
A) 30 B) 15 C) 45 D) 75
15. LCM of 16, 20, 24 is:
A) 120 B) 240 C) 360 D) 180
16. LCM of 12, 18, 27 is:
A) 108 B) 54 C) 72 D) 126
17. HCF of 144, 216 is:
A) 36 B) 72 C) 24 D) 12
18. LCM of 8, 12 is:
A) 48 B) 36 C) 24 D) 12
19. HCF of 96, 216, 312 is:
A) 24 B) 96 C) 12 D) 8
20. LCM of 10, 16, 25 is:
A) 400 B) 200 C) 100 D) 160
21. 7/12 + 5/18
A) 31/36 B) 29/36 C) 32/36 D) 27/36
22. 3/8 + 11/16
A) 25/16 B) 17/16 C) 22/16 D) 13/16
23. 5/9 + 7/15
A) 56/135 B) 36/45 C) 82/135 D) 92/135
24. 2/3 + 5/6 + 1/4
A) 17/12 B) 19/12 C) 21/12 D) 13/12
25. 11/14 + 13/21
A) 41/42 B) 37/42 C) 39/42 D) 43/42
26. 9/10 + 7/20
A) 25/20 B) 31/20 C) 28/20 D) 23/20
27. 4/7 + 5/14 + 3/21
A) 8/7 B) 7/7 C) 5/7 D) 6/7
28. 2/5 + 1/3
A) 11/15 B) 13/15 C) 7/15 D) 9/15
29. 17/24 + 7/16
A) 64/48 B) 54/48 C) 62/48 D) 68/48
30. 13/20 + 4/25
A) 77/100 B) 78/100 C) 69/100 D) 83/100
31. 7/8 – 3/16
A) 11/16 B) 9/16 C) 13/16 D) 7/16
32. 11/15 – 2/9
A) 13/45 B) 17/45 C) 19/45 D) 22/45
33. 5/6 – 1/4
A) 10/12 B) 7/12 C) 8/12 D) 11/12
34. 13/18 – 7/12
A) 10/36 B) 7/36 C) 9/36 D) 5/36
35. 9/10 – 3/5
A) 2/10 B) 3/10 C) 4/10 D) 1/10
36. 15/16 – 5/24
A) 25/48 B) 35/48 C) 45/48 D) 40/48
37. 19/21 – 11/14
A) 13/42 B) 15/42 C) 11/42 D) 17/42
38. 4/9 – 2/27
A) 6/27 B) 10/27 C) 8/27 D) 7/27
39. 23/30 – 7/45
A) 27/90 B) 53/90 C) 61/90 D) 47/90
40. 7/12 – 5/18
A) 11/36 B) 17/36 C) 19/36 D) 13/36
41. 4/9 × 3/7
A) 12/63 B) 9/63 C) 12/54 D) 18/63
42. 11/15 × 6/22
A) 11/55 B) 6/30 C) 3/10 D) 5/11
43. 7/18 × 27/35
A) 27/90 B) 9/30 C) 21/90 D) 27/70
44. 5/12 × 6/25
A) 30/300 B) 1/10 C) 5/60 D) 12/150
45. 2/3 × 4/9 × 3/5
A) 8/45 B) 4/45 C) 6/45 D) 12/45
46. 9/14 × 7/18
A) 63/252 B) 27/84 C) 63/84 D) 27/252
47. 13/20 × 5/26
A) 65/520 B) 65/260 C) 15/80 D) 13/104
48. 8/15 × 10/27
A) 80/405 B) 16/27 C) 80/270 D) 16/81
49. 3/4 × 12/35
A) 36/35 B) 9/35 C) 12/45 D) 36/140
50. 22/33 × 15/28
A) 15/42 B) 10/28 C) 30/28 D) 11/28
51. ( 7/9 ) ÷ ( 14/27 )
A) 3/2 B) 27/126 C) 49/126 D) 27/28
52. ( 5/6 ) ÷ ( 10/18 )
A) 3/2 B) 4/3 C) 9/20 D) 15/10
53. ( 12/25 ) ÷ ( 3/10 )
A) 40/75 B) 120/75 C) 8/5 D) 5/8
54. ( 11/15 ) ÷ ( 22/45 )
A) 3/2 B) 15/22 C) 33/30 D) 45/22
55. ( 9/14 ) ÷ ( 3/7 )
A) 3/2 B) 9/6 C) 21/42 D) 63/42
56. ( 16/27 ) ÷ ( 8/9 )
A) 2/3 B) 3/2 C) 18/27 D) 32/216
57. ( 4/5 ) ÷ ( 2/25 )
A) 8/25 B) 10 C) 4/10 D) 50
58. ( 13/18 ) ÷ ( 26/27 )
A) 9/4 B) 13/26 C) 27/36 D) 39/52
59. ( 7/12 ) ÷ ( 21/16 )
A) 16/36 B) 8/9 C) 112/252 D) 9/8
60. ( 5/8 ) ÷ ( 15/32 )
A) 20/120 B) 10/15 C) 4/3 D) 2/3
61. A shopkeeper has 48 red balloons and 60 blue balloons. He wants to make groups of equal size. What is the maximum number of complete groups he can make?
A) 6 B) 12 C) 24 D) 48
62. Three bells ring at every 6 min, 8 min, and 12 min. After how many minutes will they ring together again?
A) 18 B) 24 C) 48 D) 36
63. A student reads 7/8 of a book on Monday and 1/4 on Tuesday. How much of the book has he read in total?
A) 9/8 B) 5/8 C) 11/8 D) 7/4
64. A water tank has 3/5 liter of water. If 2/15 liter is used, how much remains?
A) 7/15 B) 5/15 C) 9/15 D) 1/15
65. A rope of length 3/4 m is divided into 3 equal parts. Length of each piece is:
A) 1/3 m B) 1/4 m C) 1/6 m D) 1/12 m
66. A farmer divides 4/9 kg apples among 2 children equally. Each gets:
A) 4/9 B) 2/9 C) 1/9 D) 8/9
67. A shopkeeper buys 12 pens and 18 pencils. He wants to pack them in sets with equal number of items. What is the maximum per set?
A) 3 B) 6 C) 9 D) 12
68. Rahul bought 2.5 kg sugar and 1.75 kg rice. Total weight is:
A) 4.75 kg B) 4.50 kg C) 3.25 kg D) 3.75 kg
69. A bottle contains 350 mL juice. How many liters is this?
A) 0.25 L B) 0.35 L C) 3.50 L D) 0.45 L
70. Convert 1.6 km into meters.
A) 160 m B) 1600 m C) 16 m D) 2600 m
71. A man has 3/7 liter milk. He buys 5/14 liter more. Total milk is:
A) 11/14 L B) 13/14 L C) 17/14 L D) 1/14 L
72. A girl read 5/6 of a chapter and then read 1/3 more. How much has she read?
A) 7/6 B) 1/2 C) 3/2 D) 5/3
73. A baker uses 2.25 L milk on Monday and 1.75 L on Tuesday. How much milk used?
A) 4.00 L B) 3.75 L C) 5.00 L D) 4.25 L
74. Convert 2400 g into kg.
A) 2.4 kg B) 24 kg C) 0.24 kg D) 4.2 kg
75. A stick is 2.5 m long. How many centimeters is this?
A) 25 cm B) 250 cm C) 2.5 cm D) 150 cm
76. A person spends 3/8 of his money on food and 1/4 on travel. How much has he spent?
A) 5/8 B) 2/8 C) 7/8 D) 6/8
77. A ribbon is 1.5 m long. If 0.75 m is used, how much remains?
A) 0.25 m B) 0.50 m C) 0.75 m D) 1.25 m
78. A box contains 2.4 L of juice. How many mL is it?
A) 240 mL B) 2400 mL C) 24 mL D) 200 mL
79. A bag contains 18 red beads, 27 blue beads, and 45 green beads. What is the HCF?
A) 9 B) 3 C) 18 D) 27
80. A steel rod is 4/5 m. Another is 1/2 m. Total length:
A) 1 1/10 m B) 1 3/10 m C) 9/10 m D) 7/10 m
81. A shopkeeper packs 30 cups and 45 plates into sets of equal number. Maximum number per set?
A) 15 B) 5 C) 10 D) 20
82. Convert 5.75 L to mL.
A) 575 mL B) 5750 mL C) 7500 mL D) 5075 mL
83. A car travels 2.4 km and then 3.8 km. Total distance:
A) 6.3 km B) 6.2 km C) 5.8 km D) 6.0 km
84. Divide: A rope of 6/7 m is cut into 2 equal pieces. Length of each piece:
A) 3/7 B) 6/14 C) 3/14 D) 12/7
85. Multiply: A box has 3/5 kg of flour. Each packet contains 1/10 kg. How many packets can be filled?
A) 5 B) 3 C) 6 D) 2
86. Convert 320 cm into meters.
A) 0.032 m B) 3.2 m C) 0.32 m D) 32 m
87. A fruit seller has 4 kg apples and 250 g grapes. Total weight is:
A) 4.20 kg B) 4.25 kg C) 4.5 kg D) 5.25 kg
88. A shopkeeper has 1.8 L oil. He sells 0.65 L. Remaining is:
A) 1.00 L B) 1.05 L C) 1.15 L D) 1.20 L
89. LCM of 18 and 24
A) 48 B) 72 C) 36 D) 26
90. A person walks 3/4 km in the morning and 2/5 km in evening. Total walked distance:
A) 23/20 km B) 29/20 km C) 31/20 km D) 27/20 km
91. Convert 4.6 m into cm.
A) 460 cm B) 46 cm C) 4600 cm D) 4.6 cm
92. Divide: 56÷14\frac{5}{6} \div \frac{1}{4}65÷41
A) 5/24 B) 20/6 C) 10/3 D) 5/10
93. A box weighs 3.75 kg, another weighs 2.50 kg. Total weight:
A) 6.00 kg B) 6.25 kg C) 7.25 kg D) 5.50 kg
94. Convert 1250 mL into liters.
A) 1.25 L B) 12.5 L C) 0.125 L D) 2.5 L
95. A shopkeeper divides 4 kg sugar equally among 5 packets. Weight of each packet?
A) 4/5 kg B) 5/4 kg C) 1/5 kg D) 2/5 kg
96. Convert 750 g into kg.
A) 0.75 kg B) 7.5 kg C) 0.075 kg D) 1.75 kg
97. Multiply: 23×95\frac{2}{3} \times \frac{9}{5}32×59
A) 6/5 B) 4/5 C) 18/15 D) 3/5
98. A worker finishes 5/12 of a job in the morning and 1/3 in afternoon. How much completed?
A) 3/4 B) 7/12 C) 9/12 D) 11/12
99. HCF of 28, 42, 70
A) 14 B) 7 C) 21 D) 5
100. A girl eats 3/10 of a chocolate and her sister eats 1/2 of same chocolate. Total eaten?
A) 4/5 B) 7/10 C) 8/10 D) 13/10