3.
If it is possible to form a number which is perfect square of a two-digit odd number using the second, the fourth and the seventh digits of the number 739142658 using each only once, which of the following is the second digit of that two-digit odd number?
6.
In the following series of numbers, find out how many times, 1 , 3 and 7 have appeared together, 7 being in the middle and 1 and 3 on either side of 7?
11.
Namita walks 14 metres towards west, then turns to her right and walks 14 metres and then turns to her left and walks 10 metres. Again turning to her left she walks 14 metres. What is the shortest distance (in-metres) between her starting point and the present position?
13.
A girl leaves from her home. She first walks 30 metres in North-west direction and the 30 metres in South-west direction. Next, she walks 30 metres in South – east direction, finally, she turns towards her house. In which direction is she moving now?