$Value\ of\ \phi\left(27\right)\ is$  (Euler Totient Function)

20 litres of a mixture contains milk and water in the ratio 3:1. The amount of milk, in litres to be added to the mixture so as to have thilk and water in the ratio 4:1 is

10 litres Two vessels A and B contain milk and water mixed in the ratio 5:2 and 3:4 respectively The ratio in which these two mixtures be mixed to get a new mixture containing 6:1

A man rows downstream 32 km and 12 km upstream. If he takes 4 hours to cover each distance, then the speed of the stream in km/hr is

A boat goes 12 km upstream in 48 minutes. If the speed of the stream is 2 km/hr, the speed of boat in still water is

A, B and C invested 2,45,000, 70,000 and 90,000 respectively to start a business, at the end of 2 years, they earned a profit of 162,000.C;s share in the profit is

A and enter into a partnership with 50,000 and 60,000 respectively C joins them after x months contributing 70,000 and B leaves x months before the end of the year If they share the profit in the ratio 20:18:21, then x

A, B and C are partners in a business. Their shares are in the proportion of  $\frac{1}{3}:\frac{1}{4}:\frac{1}{5}$ . A withdraws half of his capital after 15 months and after another 15 months, a profit of 4,340 is divided. The share of C is 

The ratio of investments of two partners A and B is 11:12 and the ratio of their profits is 2:3. If A invested the money for 8 months, then for how much time B invested his money?

In a race of 400 meters, A can give B a start of 20 meters and C a start of 39 meters. How many starts can B give to C in the same race?

In a 1000 m race, A can beat B by 100 m. In a race of 400 m, B can beat C by 40 m. By how many meters will A beat C in a race of 500 m?