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Number 2
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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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