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- 1. Multiple Choice
WHICH OF THE FOLLOWING IS THE FACTOR PAIR OF 84?
2 AND 21
6 AND 14
3 AND 36
9 AND 7
- 2. Multiple Choice
THE FOLLOWING NUMBERS ARE ALL __________OF 7?
7,14,21,28,35,42,49,56.........
ANSWERS
NUMBERS
FACTORS
MULTIPLES
- 3. Multiple Choice
HOW MANY FACTOR PAIRS ARE THEIR FOR NUMBER 36?
3
4
5
6
- 4. Multiple Choice
WHICH OF THE FOLLOWING IS PRIME NUMBERS?
191
82
54
343
- 5. Multiple Choice
27, 36, 45, 54 AND 63 ARE ALL MULTIPLES OF WHICH NUMBER?
12
3
7
9
- 6. Multiple Choice
THE HCF OF 15 AND 6
5
6
3
2
- 7. Multiple Choice
WHAT IS THE GREATEST COMMON FACTOR OF 42 AND 72?
2
3
6
9
- 8. Multiple Choice
WHAT IS THE LCM OF 8 AND 10?
2
4
80
40
- 9. Multiple Choice
LIST THE PRIME FACTORIZATION OF 42
- 10. Multiple Choice
60 IS THE MULTIPLE OF WHICH NUMBER?
8
11
7
15
- 11. Multiple Choice
RENU HAS MUSIC CLASS EVERY 3RD DAY, SEEMA HAS ONE EVERY 8TH DAY. WHEN WILL THEY HAVE A CLASS ON THE SAME DAY?
DAY 9
DAY 20
DAY 24
DAY 16
- 12. Multiple Choice
WHAT IS THE LCM OF 3, 5 AND 7?
126
21
105
63
- 13. Multiple Choice
WHICH OF THE FOLLOWING PAIRS OF NUMBERS HAVE A LEAST COMMON MULTIPLE OF 56?
2 AND 28
7 AND 8
4 AND 14
3 AND 7
- 14. Multiple Choice
Three clocks ring once at the same time. After that, the first clock rings after every 12 minutes, the second after every 24 minutes, and the third after every 36 minutes. After how many minutes will they again all ring together?
72 minutes
120 minutes
180 minutes
NONE OF THESE
- 15. Multiple Choice
What is the seventh multiple of 9?
45
54
63
72
- 16. Multiple Choice
Which of the following is NOT a factor pair of 24?
6 AND 4
12 AND 2
8 AND 4
3 AND 8
- 17. Multiple Choice
Boxes that are 12 cm tall are being stacked next to boxes that are 18 cm tall. What is the shortest height at which the two stacks will be at the same height?
24 cm
36 cm
72 cm
30 cm
- 18. Multiple Choice
Two neon lights are turned on at the same time. One blinks every 4 seconds and the other blinks every 6 seconds. In 60 seconds, how many times will they blink at the same time?
5 times
12 times
24 times
16 times
- 19. Multiple Choice
LCM OF TWO NUMBERS 12 AND 16 IS 48. FIND THEIR HCF?
6
4
8
3
- 20. Multiple Choice
45 is divisible by which set of numbers?
1, 5, 25
1, 5, 10, 25
1, 5, 15, 45
All of these
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