Given:
The number abba is divisible by 4 and a < b
Formula Used::
A number is divisible by 4 if the last two digits of the number are divisible by 4.
Solution:
Possible values of b & a.
∴ 8 such numbers are possible.
Note:- a cannot be 0 because then abba will not be 4 digit no.
Alternate Method:
For a number to be divisible by ‘Q’ the last two digits must be divisible by 4. (Here ‘ba’).
English
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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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