A, B, C and D purchase a gift worth Rs. 60. A pays $${1\over2} $$ of what others are paying. B pays $${1\over 3} $$ of  what others are paying and C  pays $${1\over 4} $$ of what others are  paying. What is the amount paid by D?

Direction : What should come in place of the question (?) in the following question.

$${34×4-12×8\over \ {6^2}+{\sqrt{196}}+(11)^2}=?$$

The smallest possible three - place decimal is: 

Find the sum of all prime numbers between 10 and 90.

Nathu and Buchku each have certain number of oranges. Nathu says to Buckhu, " If you give me 10 of your oranges, I will have twice the number of oranges left with you “. Buckhu replies, " If you give me 10 of your oranges, I will have the same number of oranges as left with you." What is the number of oranges with Nathu and Buckhu , respectively ?

If a and b are odd numbers, then which of the following is even?

On dividing a certain number by 342 we get 47 as remainder. If the same number is divided by 18, what will be the remainder?

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: