Concept Used:
A number is divisible by 24 if it is divisible by both 3 and 8.
Divisibility Rule for 3: A number is divisible by 3 if the sum of its digits is divisible by 3.
Divisibility Rule for 8: A number is divisible by 8 if the last three digits of the number are divisible by 8.
Solution:
Among the given options:
For 4148
Sum of digits = 4 + 1 + 4 + 8 = 17
17 is not divisible by 3. Hence, 4148 is not divisible by 24.
English
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200 Marks
60 Mins English English25 Questions50 Marks15 Mins English English100 Questions200 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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