How many even three-digit numbers can be formed from the digits 1 , 2 , 5 , 6 and 9 without repeating any of the digits? 

A man engaged a servant on the condition that he would pay him Rs. 90 and a turban after service of one year. he served only for nine months and received the turban and an amount of Rs. 65. The price of turban is: 

There are 2 to 40 minutes on any watch. So how many degree angles will be made between the two needles?

In ∆ABC, AD is the internal bisector of ∠A, meeting the side BC at D. If BD = 5 cm, BC = 7.5 cm, then AB : AC is 

A person has some amount with him. 25% of it is stolen in a bus, 10% is lost through a hole in the pocket, 50% of remainder is spent on food. He then purchases a book worth Rs. 26 from the remainder. He walks back home because all his money is over. What was the initial amount?

If sec x + cos x = 2, then the value of sec16 x + cos16 x will be-

A tap can fill a tank in 6 hours. After half the tank is filled, three more similar taps are opened. What is the total time taken to fill the tank completely?

$$ \sqrt{217+\sqrt{48+\sqrt{256}}}=?$$