12345679 × 72 is equal to -

By how much does $$\frac{6}{{\frac{7}{8}}}$$ exceed $$\frac{{\frac{6}{7}}}{8}$$ ?

(12)<sup>3</sup> × 6<sup>4</sup> × 432<sup>-1</sup> = ?

Unit digit of the number (22)<sup>23</sup> is :

$$\left( {999\frac{{999}}{{1000}} \times 7} \right)$$   is equal to -

The denominator of a fraction is 3 more than its numerator. If the numerator is increased by 7 and denominator is decrea…

In a 4-digit number, the sum of the first two digits is equal to that of last two digits. The sum of the first and last …

The distance between the house of Rajan and Raman is 900 km and the house of former is at 100<sup>th</sup> m…