A starts business with a capital of Rs. 1200. B and C join with some investment after 3 and 6 months respectively. If at the end of a year the profit is divided in the ratio 2 : 3: 5 respectively. What is B’s investment in the business?

In a rare coin collection, there is one gold for every three non-gold coins. 10 more gold coins are added to the collection and the ratio of gold coins to non-gold coins would be 1 : 2. Based on the information, the total number of coins in the collection now becomes

The average age of 12 players of a team is 25 years. If the captain’s age is included, the average age increases by 1 years. The age of the captain is-

The simple interest on a certain sum for 8 months at 4% per annum is Rs. 129 less than the simple interest on the same sum for 15 months at 5% per annum. The sum is:

In a certain year, the population of a certain town was 9000. If the next year the population of males increases by 5% and that of the females by 8% and the total population increases to 9600, then what was the ratio of population of males and females in that given year?

What will come in place of the question mark (?) in the following number series?

6, 42, 301, ?, 21753

What will come in place of the question mark (?) in the following number series?

4, 8, 17, 42, 91, ?

What will come in place of the question mark (?) in the following number series?

1, 2, 6, 15, 31, 56, ?

What will come in place of the question mark (?) in the following number series?

41, 39, 43, 37, 45, ?

What will come in place of the question mark (?) in the following number series?

3, 8, 23, 68, 203, ?