Upstream-Downstream relative speed question
A person rides a cycle at a constant speed. When he drives in the direction of the wind, he is able to go 35 km in 5 hrs. While returning, when the wind was against the direction of his driving, he took 7hrs for the same distance. At what speed does he rides when there is no wind?
Speed and time question
Two towns are exactly 100 km apart. Suresh leaves City-A at 3 pm driving at 30 km/hr. After 30 minutes, at 3:30 pm, Ramesh leaves City-B driving at 60 km/hr. When they meat each other, how far they will be from City-A ?
If digits of my age are reversed you will get my son's age…
If the digits of my present age are reversed then I get current age of my son. If one year ago my age was twice the age of my son. Find my present age.
How much byte-addressable memory you can use with 12 bits address bus
If you have a byte-addressable memory (i.e every byte in the memory has an address) and an address bus of size 12 (i.e 12 wires in the address bus or 12 bits in the Memory Address Register). How much maximum RAM can you support ?
Effect on area of rt angled triangle if base is increased and hight reduced
If the base of a Right angled triangle is increased 4 times and height is reduced to half, what will be the effect on its area ?
