Which of the following can be the value of ‘k’
Which of the following can be the value of ‘k’ so that the number 217924k is divisible by 6?
निम्नलिखित में से कौन- सा ‘k’ का मान हो सकता है जिससे कि संख्या 217924k, 6 विभाज्य हो?
Detailed Solution & Logic
2
Divisible by 6 = divisible by 2 and 3
Divisible by 2 k must be even (2,4,6)
Sum of digits = 2+1+7+9+2+4+k = 25+k
25+k divisible by 3
Check options:
k=2 25+2=27 divisible by 3
k=425+4=29 not divisible by 3
k=6 25+6=31 not divisible by 3
k=5 not even
k=2
Similar Practice Questions
If the square root of a number is subtracted from the number, the result is 272. What is the number?
If the square root of a number is subtracted from the number, the result is...
Find the average of odd numbers from 1 to 43.
Find the average of odd numbers from 1 to 43. 1 से 43 तक विषम...
Evaluate :
Evaluate / हल कीजिए : \(41 – [21 -\{11 -(15 – 6 \div 3\times 3)\}]\)
Find the number when successively divided by 3, 5 and 7 leaves remainder 2, 1 and 3, respectively, and the last quotient is 3.
Find the number when successively divided by 3, 5 and 7 leaves remainder 2, 1...
Determine the largest four – digit number
Determine the largest four – digit number that is exactly divisible by 15, 25, 40,...
What is the difference between the largest and the smallest four-digit number that starts with 3 and ends with 5?
What is the difference between the largest and the smallest four-digit number that starts with...
What is the smallest number which on subtracting 9 from it becomes divisible by 24, 33, 42 and 56?
What is the smallest number which on subtracting 9 from it becomes divisible by 24,...