Question

How many numbers less than 1000 are the multiples of 10 and 13​

Answer 1

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Take LCM of 10 and 13 = 130 Any no. divisible by 130 will be divisible by 13 and 10.

i.e. 130,260,390,520,650,780 and 910

⇒ Total no. are = 7

Answer 2

Step-by-step explanation:

10,1,10,20,30,40,50,60?70,80,90,100 and up to 990.

13. 117 130 143