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
Correct Answer:
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
Evaluate / हल कीजिए:
Evaluate / हल कीजिए : \(2\times\{17 – 2 \times (11 – 5)\}\)
$\frac{\sqrt\[3]{6859}}{\sqrt\[4]{256}x\frac{2}{57} x 168 = $
Find the value of the following / निम्नलिखित का मान ज्ञात कीजिए। $\frac{{\sqrt[3]{6859}}}{{\sqrt[4]{256}}}x\frac{2}{57} x 168...
Determine the largest four – digit number
Determine the largest four – digit number that is exactly divisible by 15, 25, 40,...
The sum of five consecutive numbers is 80. Find the largest number.
The sum of five consecutive numbers is 80. Find the largest number. पाँच क्रमागत संख्याओं...
Find the mean proportional of 36 and 100.
Find the mean proportional of 36 and 100. 36 और 100 का माध्य समानुपाती ज्ञात...
Find the standard deviation of the following data (rounded off to two decimal places). 5, 3, 4, 7
Find the standard deviation of the following data (rounded off to two decimal places). निम्नलिखित...
Solve:
Solve / मान ज्ञात कीजिए।: \((\frac{1}{10}\div\frac{16}{100}) \text {of}\: \frac{3.2}{0.4} + 120 \div 4 \text {of}\:...