List of top Mathematics Questions on Number System asked in UP Board X

Prime factorisation of 156 will be:

The product of $\sqrt{2}$ and $(2-\sqrt{2})$ will be:
 

The sum of the digits of a two-digit number is 9. 9 times of this number is equal to 2 times the number formed by reversing the digits. Find the number.
Prove that $\sqrt{3}$ is an irrational number.
The HCF of the numbers 182 and 78 will be
Prove that $2\sqrt{3}$ is an irrational number.

Find the LCM of 867 and 255.
 

Prove that $\sqrt{2}$ is an irrational number.
Find the LCM of the numbers 92 and 510.
The maximum number of tangents drawn from an external point to a circle will be
Find the LCM and HCF of 2520 and 10530 by prime factorization method.
Rational number will be
Irrational number in the following will be
Prove that \(\sqrt{2}\) is an irrational number.
Do all the parts:
(a) Given that HCF (99, 153) = 9, find the value of LCM (99, 153).
If LCM of 26, 156 is 156, then the value of HCF will be:
Which one of the following is a pair of co-prime numbers?
The least number which when divided by 35, 56 and 91 leaves the same remainder 7 in each case will be:
The difference of a rational number and an irrational number is:
Which of the following numbers is a rational number?
Given that LCM (12, 21) = 84, HCF (12, 21) will be:
The relation between dividend, divisor, quotient and remainder will be:
Prime factors of number 140 will be:
Prove that \( \sqrt{2} \) is not a rational number.
The sum of powers of prime factors of the number 144 will be: