A gardener plants his garden with 5550 trees and arranged them so that there is one plant more per row as there are rows…

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

The value of $${\text{0}}{\text{.}}\overline 2 + {\text{0}}{\text{.}}\overline 3 + {\text{0}}{\text{.}}\overline {32} …

The sum of two numbers is 18. The greatest product of these two number can be:

The number of two digit prime numbers which remain prime even inverting the position of its digits is:

$$\left( {{2^{71}} + {2^{72}} + {2^{73}} + {2^{74}}} \right)$$     is divided by :

72519 × 9999 = ?

There are 154 beads in a rosary and all are coloured, either RED or BLUE or GREEN. The number of blue ones is three less…