Junaid and Sarfaraz have singing class every 4th day and 10th day respectively. They were both together today, they will be together again after?
- 14 days
- 10 days
- 20 days
- None of these
Explanation
LCM of 4 and 10: multiples of 4 = 4, 8, 12, 16, 20... multiples of 10 = 10, 20...
First common multiple = 20
Last verified on 12-04-2026
Related MCQs
- 20
- 19
- 18
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اس سوال کو وضاحت کے ساتھ پڑھیں
- 220
- 240
- 260
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- 14 days
- 10 days
- 20 days
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- Factor
- HCF
- LCM
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- Always a prime number
- Always a perfect square
- Always even
- Always divisible by 3
اس سوال کو وضاحت کے ساتھ پڑھیں
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