EASY
CAT
IMPORTANT
Earn 100

There is a natural number that becomes equal to the square of a natural number when is added to it and to the square of another natural number when is added to it. Find the number.
(a)
(b)
(c)
(d)

50% studentsanswered this correctly

Important Questions on Number Systems
EASY
CAT
IMPORTANT
Find two natural numbers whose sum is and whose least common multiple is .

EASY
CAT
IMPORTANT
Find two three-digit numbers whose sum is a multiple of and the quotient is a multiple of .

EASY
CAT
IMPORTANT
The difference between the digits in a two-digit number is equal to , and the sum of the squares of the same digits is . Find the possible numbers.

MEDIUM
CAT
IMPORTANT
On dividing a two-digit number by the product of its digits, a quotient of and a remainder of are obtained. On subtracting the product of the digits of the number from the square of the sum of its digits, the given number is obtained. Find the number.

MEDIUM
CAT
IMPORTANT
The sum of the digits of a three-digit number is , and the sum of the squares of its digits is . If we subtract from that number, we shall get a number consisting of the same digits written in the reverse order. Find the number.

MEDIUM
CAT
IMPORTANT
The sum of the cubes of the digits constituting a two-digit number is and the product of the sum of its digits and the product of its digits is . Find the possible two-digit numbers.

EASY
CAT
IMPORTANT
The difference between two numbers is . What can be said about the total numbers divisible by that can lie in between these two numbers?

MEDIUM
CAT
IMPORTANT
Which of the following is true?
