In how many years will a sum of 800 at 10% per annum compound interest, compounded semi-annually becomes 926.10 ?

The simple interest and compound interest (compounded annually) on a certain sum of money with a given rate for a period of 2 years are 900 and 954 respectively. The sum of money is

Milk and Mango Juice are mixed in the ratio of 2 : 3. Naturally there is 90% water in milk and 80% water in mango juice. Now 10 liters of water is poured into the mixture and percent of water becomes 86.⅔%. Find the initial quantity of water in milk.

Vikas can complete a work in 49 more days than in which Vikas and Mohit together can do the same work and Mohit can do the same work in 40 days less than that of Vikas. Find in how much time Mohit and Vikash can complete the whole work together.

Find the wrong number in the given series 16, 36, 40, 56, 88, 104

If x is a positive integer such that (x - 1)(x - 3)(x - 5)....(x - 93) < 0, how many values can x take?