Find the greatest 5-digit number that is exactly divisible by 15, 18, 21.
Find the greatest 5-digit number that is exactly divisible by 15, 18, 21.
5 अंकों की सबसे बड़ी संख्या ज्ञात कीजिए जो 15, 18, 21 से पूर्णतः विभाज्य हो।
Detailed Solution & Logic
Correct Answer:
99540
LCM(15,18,21) = 630
Greatest 5-digit number = 99999
Required number $= 99999 - (99999 \bmod 630) $
= 99999 - 459
Answer = 99540
Similar Practice Questions
Solve:
Solve / मान ज्ञात कीजिए।: \((\frac{1}{10}\div\frac{16}{100}) \text {of}\: \frac{3.2}{0.4} + 120 \div 4 \text {of}\:...
Which of the following numbers is the greatest of all?
Which of the following numbers is the greatest of all? निम्नलिखित में से कौन सी...
How many natural numbers are there between $ 11^2 $ and $ 12^2 $ ?
How many natural numbers are there between $ 11^2 $ and $ 12^2 $ ?...
What is the smallest 5- digit number
What is the smallest 5- digit number exactly divisible by 999? 999 से पूर्णत: विभाज्य...
Find the greatest common divisor of 90, 1020, and 2340.
Find the greatest common divisor of 90, 1020, and 2340. 90, 1020 और 2340 महत्तम...
Determine the largest four – digit number
Determine the largest four – digit number that is exactly divisible by 15, 25, 40,...
Evaluate :
Evaluate / हल कीजिए : \(2\times\{17 – 2 \times (11 – 4)\}\)