( Take $$ π = 22\over 7$$ ) :
A circular wire of radius 42 cm is bent in the form of a rectangle whose sides are in the ratio of 6 : 5 . The smaller side of the rectangle is ( Take $$ π = 22\over 7$$ ) :
If Suresh borrows Rs. 36000 from Mahesh at rate of interest 6% S.I, at the end of four years how much interest Suresh has to pay along with principal amount?
A train moving at speed of 90 km/hr crosses a pole in 7 seconds. Find the length of the train.
A clock only with only dots marking 3, 6, 9 and 12 positions has been kept upside down in front of mirror. A person reads the time in the reflection of the clock as 4.50. What is the actual time?