A discount of   $$ 2{1\over 2}\% $$ is given to the customer on the marked price of an article. A man bought the article for Rs.39. The marked price of the article is:

What are the roots of the equation log₁₀(x²-6x+45) =2?

Unit digit in (264)¹⁰²+(264)¹⁰³ is:

Directions-Study the following diagram and answer the four questions.

The total no. of students on whom this survey was made is

Directions-Study the following diagram and answer the four questions.

The range of marks obtained by maximum no. of students is

What is the value of $$ {2tan53°\over cot37°} -{cot80°\over tan10°}$$ is:

The difference of two numbers is 20 % of the larger number. If the smaller number is 20, the larger number is:

The HCF of two numbers 12906 and 14818 is 478. Their LCM is: