Advertisements
Advertisements
प्रश्न
If 123123A4 is divisible by 11, find the value of A.
उत्तर
Given, 12312344 is divisible by 11, then we have (1 + 3 + 2 + 4) – (2 + 1 + 3 + 4) is a multiple of 11.
i.e. (6 + 4) – 10 = 0, 11, 22,...
⇒ A – 4 = 0, 11, 22,...
⇒ A – 4 = 0 ...[A is a digit of the given number]
⇒ A = 4
APPEARS IN
संबंधित प्रश्न
Without performing actual addition and division write the quotient when the sum of 69 and 96 is divided by
(i) 11
(ii) 15
If sum of the number 985 and two other numbers obtained by arranging the digits of 985 in cyclic order is divided by 111, 22 and 37 respectively. Find the quotient in each case.
Find the quotient when the difference of 985 and 958 is divided by 9.
Are they equal?
The difference of a two-digit number and the number obtained by reversing its digits is always divisible by ______.
A three-digit number abc is divisible by 6 if c is an even number and a + b + c is a multiple of 3.
Number 7N + 1 will leave remainder 1 when divided by 7.
If a number a is divisible by b, then it must be divisible by each factor of b.
If N ÷ 5 leaves remainder 3 and N ÷ 2 leaves remainder 0, then N ÷ 10 leaves remainder 4.
A five-digit number AABAA is divisible by 33. Write all the numbers of this form.
