Generalised form of a four-digit number abdc is
Generalised form of two-digit number xy is
The usual form of 1000 a + 10b + c is
Let abc be a three-digit number. Then abc – cba is not divisible by
The sum of all numbers formed by the digits x,y and z of the number xyz is divisible by
A four-digit number aabb is divisible by 55. Then possible value(s) of b is/are
Let abc be a three digit number. Then abc + bca + cab is not divisible by
A four digit number 4ab5 is divisible by 55. Then the value of b – a is
If abc is a three digit number, then the number abc – a – b – c is divisible by
A six digit number is formed by repeating a three digit number. For example 256256, 678678, etc. Any number of this form is divisible by
If the sum of digits of a number is divisible by three, then the number is always divisible by
If x + y + z = 6 and z is an odd digit, then the three-digit number xyz is
If 5A + B 3 = 65, then the value of A and B is
If A 3 + 8 B = 150, then the value of A + B is
If 5 A × A = 399, then the value of A is
If 6 A × B = A 8 B, then the value of A – B is
Which of the following numbers is divisible by 99
Fill in the blanks to make the statements true.
3134673 is divisible by 3 and …………….. .
20x3 is a multiple of 3 if the digit x is ……. Or ….. or ……. .
3x5 is divisible by 9 of the digit x is ………………. .
The sum of a two-digit number and the number obtained by reversing the digits is always divisible by ………………… .
The difference of a two-digit number and the number obtained by reversing its digits is always divisible by ………………….. .
The difference of three-digit number and the number obtained by putting the digits in reverse order is always divisible by 9 and …………… .
If then A = ……………… and B = …………… .
If then A = …………… and B =…………….. .
If then B = …………….. .
1 x 35 is divisible by 9 if x = …………… .
A four-digit number abcd is divisible by 11, if d + b = …………… or …………….. .
A number is divisible by 11 if the differences between the sum of digits at its odd places and that of digits at the even places is either 0 or divisible by ………….. .
If a 3-digit number abc is divisible by 11, then …………. Is either 0 or multiple of 11.
If A × 3 = 1A, then A = …………… .
If B × B = AB, then either A = 2, B = 5 or A = ……………., B = ………… .
If the digit 1 is placed after a 2-digit number whose tens is t and ones digit is u, the new number is …………… .
A two digit number ab always divisible by 2 if b is an even number.
A three digit number abc is divisible by 5 if c is an even number.
A four digit number abcd is divisible by 4 if ab is divisible by 4.
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 of the form 3N + 2 will leave remainder 2 when divided by 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 AB × 4 = 192, then A + B = 7.
If AB + 7C = 102, where B ≠ 0, C ≠ 0, then A + B + C = 14.
If 213x27 is divisible by 9, then the value of x is 0.
If N ÷ 5 leaves remainder 3 and N ÷ 2 leaves remainder 0, then N ÷ 10 leaves remainder 4.
Find the least value that must be given to number a so that the number 91876a2 is divisible by 8.
If where Q – P = 3, then find the value of P and Q.
If 1 AB + CCA = 697 and there is no carry-over in addition, find the value of A + B + C.
A five-digit number AABAA is divisible by 33. Write all the numbers of this form.
