If the some of a number and its reciprocal be 2 then number is = ?

A number exceeds its two fifth by 75. The number is :

A number when divided by the sum of 555 and 445 gives two times their difference as quotient and 30 as the remainder. Th…

P is a prime number and (P<sup>2</sup> + 3) is also a prime number . The no. of numbers that P can assume …

Three numbers are in ratio 1 : 2 : 3 and HCF is 12. The numbers are:

Half way through the journey from Delhi to Lahore Atalji began to look out of the window of the Samjhauta Express and co…

The value of $$\left( {0.\overline {63} + 0.\overline {37} } \right)$$    is :

A number when divided by 136, leaves remainder 36. If the same number is divided by 17, the remainder will be -