Exams

Which of the following bacterium causes crown gall disease in plants?

The traffic lights at four different road crossings change after every 15 sec, 18 sec, 27 sec and 30 sec respectively. If they all change simultaneously at 6:10:00 hours, then at what time will they again change simultaneously?

Find the unit place digit in 192102 + 193103

Sultan Mahmud was a ruler of_____.

If x = a + 1a, y = a - 1a ,(a>0), then the value of x4+y4-2x2y2 is

129 meter from the foot of a cliff on level of ground, the angle of elevation of the top of a cliff is 30°. The height of this cliff is

A plane flies 100 km West, then it turns South and flies 150 km, then it turns West and flies 300 km, then it turns to its right and flies 150 km. Where is it now with reference to its starting position?

Who among the following was the first grammarian of the Sanskrit language?