How many numbers between 100 and 600 are divisible by 2, 3, and 7 together?

Options
- 11
- 12
- 14
- cannot be determined


CORRECT ANSWER : 12

Discussion Board
Why 14-2

As we can see 42*1 and 42*2 are not included between 100 and 600 so ...

Somnath Malik 07-23-2021 03:09 AM

Finding the number of terms

Using A. P we can calculate the number of terms, as first term , differences and last term is given we can calculate the numbers of term.

Nayan 06-24-2020 12:20 AM

Mathematics

can''t uderstand why 2 was subtracted from 14 to find out the maximum numbers divisible by 2,3 and 7 together between 100and 600. Early reply is requested.

Srijata Basu 11-14-2018 12:51 PM

Mathematics

can''t uderstand why 2 was subtracted from 14 to find out the maximum numbers divisible by 2,3 and 7 together between 100and 600. Early reply is requested.

Srijata Basu 11-14-2018 12:43 PM

Wow

This is great!

Solima 10-6-2016 06:17 PM

Problems on number

Soln: - As the division is by 2, 3, 7 together, the numbers are to be divisible by: 2*3*7 = 42

The limits are 100 & 600
The first number divisible is 42*3 = 126
To find out the last number divisible by 42 within 600:
600/42 = 14.28
Hence, 42*14 = 588 is the last number divisible by 42 within 600
Hence, total numbers divisible by 2, 3, 7 together are (14 – 2) = 12


Problems on number 07-26-2013 08:08 AM

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