Solved Problems

Hello, friend! Here is where the doubts that you have sent will be answered. I will also be adding previous year questions from competitive exams like NTSE, IMO, JEE, and so on.

Please use the search button at the top to navigate. If there is a question that you would like me to explain, please post it here.

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Problem 1 : Solve the equation \(\sqrt{x}+\sqrt{x+1}-\sqrt{x+2}=0.\)

Problem 2 : The sum of two numbers is \(22.\) If the sum of \(7\) times the larger number and \(2\) times the smaller number equals \(124,\) then find the numbers.

Problem 3 : If the following is an arithmetic sequence, then find the value of \(n\) : \(\{-1,n,13…\}\)

Problem 4 : Simplify the following expression : \(\dfrac{-2pl^2}{3yz}\div\dfrac{9lp^2}{5xy}\)

Problem 5 : Sam and Tammy are brothers. Their combined age is \(20,\) and Tammy is \(4\) years older than Sam. What are Sam and Tammy’s ages?