In a given circle, the chord PQ is of length 18 cm. AB is the perpendicular bisector of PQ at M. If MB=3. Find the length of AB?

The cost price of an article is Rs x. It is marked up by 200%. It is sold at Rs. 540 after giving 25% discount. What is the value of x (in Rs)? 

If two LED TVs and one mobile phone cost ₹31,000, while two mobile phones and one LED TV cost ₹35,000, then the value of one mobile phone is:

Abhinav leaves Mumbai at 6 am and reaches Bangalore at 10 am Praveen leaves Bangalore at 8 am and reaches Mumbai at 11:30 am. At what time do they cross each other?

The sum of the present ages of Varun and Kapil is 42 years. The ratio of their ages after 5 Years will be 15 : 11. What is the present age of Kapil? 

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.

Total number of boys in hostel A and that of girls in hostel C is what percent more than number of boys in hostel B?

The Product of three consecutive number is 4080. What is the least number?