Pipes A and B can fill a tank in 16 hours and 24 hours, respectively, and Pipe C alone can empty the full tank in x hours. All the pipes were opened together at 10:30 a.m, but C was closed at 2:30 p.m. If the tank was full at 8:30 p.m on the same day, then what is the value of x?

The x - intercept on the graph of 7x - 3y = 2 is :

If $$ x=(164)^{169}+ (333)^{337}-(727)^{726}$$ then what is the units digit of x?

At what rate percent per annum will a sum of Rs.5000 amount to Rs.6000 in 4 years?

A man borrowed some money from a private organisation at 5 % simple interest per annum. He landed this money to another person at 10% compound interest per annum, and made a profit of Rs. 26,410 in 4 years. The man borrowed 

Direction : Given here is a multiple bar diagram of the scores of four players in two innings. Study the diagram and answer the questions.

The average score in second innings contributed by the four players is:

Direction : What should come in place of the question (?) in the following question.

$$3{5\over7}× 4{5\over6} + ? =23{3\over4}$$