A bullet of 10 g mass comes out with an initial velocity of 1000 m/s and strikes the earth at a velocity of 500 m/s at the same level. What will be the work done (in water) by facing resistance to air?
Pradeep and Ashoka were running in exactly the opposite direction. If Pradeep was running in the north-west direction, in which direction was Ashoka running?
Read the statement below and decide which of the conclusions logically follows it?
Statement:
Nowadays the prices of goods are increasing.
Conclusions:
I. All things are becoming rare.
II. People cannot eat things.
A and B are friends and A is 2 years older than B. A's father D is twice as old as A and B's age is twice as old as his sister C's age. The difference between D and C's age is 40 years. Find the age of A.
