Given:
We need to find which number is divisible by 4, 7, and 23.
Formula Used:
Check divisibility by the Least Common Multiple (LCM) of 4, 7, and 23.
Solution:
LCM of 4, 7, and 23 = 644.
Thus, check which number is divisible by 644.
Among the options, 6440 is divisible by 644.
Thus, the correct answer is 6440.
English
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60 Mins English English20 Questions40 Marks12 Mins English English80 Questions160 Marks60 Mins EnglishLet p be the greatest number of 4-digits which when divided by 21, 22, 24 and 28, the remainder in each case is 8. What is the sum of the digits of p?
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