Question

bWhat is the largest number between 100 and 200 that is divisible by both 20 and 30?​

Answer 1

Answer:

190 is the answer i think so

Answer 2

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Given :

Euler of 2*3*5

= (1- 1/2)(1 - 1/3)(1 - 1/5)

= (1/2)(2/3)(4/5)

= 4/15

Number not divisible,

Between 1-100

100 (4/15)

= 26

Between :

Between 1-195

= 195 (4/15)

= 52

So, Step by step solution :

So from 1-195

52-26 = 26

Between 196-200 only 2 number is not divisible I.e 197 & 199

Total number

= 26+2

= 28 <-- answer

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