Divisible of 5 means unit place must have 5 (since 0 is not in the list). And thousands place will always be 2. This leaves us with 5 digits (3, 4, 6, 7, 8) to be filled in 2 places (2 _ _ 5). This can be done in 5P2 ways or 20 ways. So 20 numbers can be formed.
Which lens is used in sodium reflector lamp ?
What characteristic makes metals good conductors of electricity?
Which of the following wind is also known as “ICE HEATER?”
Where should an object be placed in front of a concave mirror such that the image of the object is of the same size as the object?
What term describes the rate of change of velocity?
Why does a solid chunk of iron float in mercury but sink in water?
Which of the following is the best fire-extinguisher?
If an object is pulled by holding it from both ends, then the force applied on it is called _______.
Which Vitamin is soluble in water?
The Atom Bomb dropped in Nagasaki is an uncontrolled nuclear fission made up of:
