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The value of

is 

Roman numerals CXIX, XCIX, CXXI, CIX and CXX can be written in increasing order as

Which one of the following statement is not correct?

The number of prime numbers having two digits in which the digits are also prime is

The product of two positive numbers is 9245. If the first number is five times of the second number, then the sum of the two numbers is:​

The number of prime numbers lying between 393 and 401, both included, is:

The number of prime numbers lying between 466 and 476, both included, is:

The number of prime numbers lying between 430 and 438, both included, is:

12 thousand + 13 hundred + 2 tens is equal to:

One crore is:

The number $$\frac{\sqrt{2} + \sqrt{7}}{\sqrt{2 - \sqrt{7}}}$$​is: