For the following questions answer them individually
A natural number, when divided by 5, 6, 7 or 8, leaves a remainder of 4 in each case.What is the smallest of all such numbers?
A can work twice as fast as B. A and C together can work three times as fast as B. If A, B
and C complete a job in 30 days working together, in how many days can each of them complete the work.
The pie chart represents the annual yield in tons of a certain place. If the yield of sugar is 6000 tons then the yield of wheat will be tons.
If the equations 6x - 5y + 11 = 0 and 15x + ky- 9 = 0 have no solution, then the
value of k is: