1. RENU HAS MUSIC CLASS EVERY 3RD DAY, SEEMA HAS ONE EVERY 8TH DAY. WHEN WILL THEY HAVE A CLASS ON THE SAME DAY?
2. WHAT IS THE LCM OF 3, 5 AND 7?
3. WHICH OF THE FOLLOWING PAIRS OF NUMBERS HAVE A LEAST COMMON MULTIPLE OF 56?
4. 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?
5. What is the seventh multiple of 9?
6. Which of the following is NOT a factor pair of 24?
7. 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?
8. 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?
9. LCM OF TWO NUMBERS 12 AND 16 IS 48. FIND THEIR HCF?
10. 45 is divisible by which set of numbers?