The ratio between the speed of a train and a car is 18:13 respectively. Also, a bus covered a distance of 480 kms in 12 hours. The speed of the bus is five-ninth the speed of train. How much distance will the car cover in 5 hours?

A number whose one - fifth part increased by 4 is equal to its one - fourth part diminished by 10 is: 

Twenty five percent of Pranab’s annual salary is equal to eighty percent of Surya’s annual salary. Surya’s monthly salary is forty percent of Dheeru’ monthly salary. If Dhreeu’s annual salary is Rs 6 lacs, what is Pranab’s monthly salary? (At some places annual income and in some place monthly income are given)

On selling an article on certain price a shopkeeper gets a loss of x%. If he doubles the selling price he will get a profit of 30%. Find the value of x.

The retail price of a water geyser is 1265. If the manufacturer gains 10 %, the wholesale dealer gains 15 % and the retailer gains 25 % , then the cost of the product is – 

Directions :- Read the given information carefully and answer the following questions.

There are four hostels i.e. A, B, C and D.

In hostel A: Number of boys are 120 and number of girls are 30% more than that of number of girls in

hostel B.

In hostel B: Number of boys are double than that of number of girls.

In hostel C: Number of boys are 100 more than that of boys in hostel A and total boys and girls in C is 1000.

In hostel D: Number of boys is 182 more than the number of boys in hostel A. Average of number of girls of hostel A and that of hostel D is 223.Number of boys in hostel D is 98 less that of boys in hostel B.

Difference between number of boys and girls in hostel D is what percent of difference between boys and girls in hostel B?

The product of the two numbers is 1500 and their HCF is 10. The number of such possible pairs is/are: