Questions

Natural radioactivity was discovered by

Which is not causative factor of earthquake 

what will be the output of the following code?

class Value
{
    public int i = 15;
}
public class Test
{
    public static void main(String argv[])
    {
        Test t = new Test();
        t.first();
    }
    public void first()
    {
        int i = 5;
        Value v = new Value();
        v.i = 25;
        second(v, i);
        System.out.println(v.i);
    }
    public void second(Value v, int i)
    {
        i = 0;
        v.i = 20;
        Value val = new Value();
        v =  val;
        System.out.println(v.i + " " + i);
    }
}

Rearrange the parts of the sentence in correct order.

Earlier its forays

P-were concentrated on ancient
Q-and medieval India
R-in history

Select the antonym of 

homogeneous

Rearrange the parts of the sentence in correct order.

The maximum

P : condition is called its infiltration capacity

Q : rate at which water enters

R : into the soil in a given

When was Jana-Gana-Mana (which later became 'National Anthem' of India) first sung and where ?

Which is the first country in the world to use drones for national mail service?