Solving Percentage Increase Questions

The video tutorial explains how to solve a problem involving salary increases for Gopal and Jamuna. Gopal's salary is increased by 8%, and the task is to find the percentage increase for Jamuna so that both have the same salary. The tutorial covers setting up a formula, rearranging equations, and performing calculations to find the solution, which is a 12.5% increase for Jamuna. The video also discusses the allocation of marks for each step in the solution process.

What is the initial monthly salary of Gopal?

• ₹21,000

• ₹18,000

• ₹19,200

• ₹20,000

What is the purpose of the formula 'Original Value * (1 ± R)'?

• To find the original value

• To calculate the tax on salary

• To determine the new value after a rate change

• To calculate the total salary

What is the original salary of Jamuna before the increase?

• ₹21,000

• ₹20,000

• ₹18,500

• ₹19,200

What is the percentage increase given to Gopal?

• 8%

• 5%

• 10%

• 12%

What is the next step after setting up the equation to find Jamuna's increase?

• Subtract 1 from both sides

• Rearrange the equation to isolate X

• Multiply both sides by 2

• Add 1 to both sides

How is 8% expressed as a decimal for calculation purposes?

• 0.8

• 0.008

• 0.08

• 8.0

What is the final percentage increase for Jamuna's salary?

• 8%

• 10%

• 12.5%

• 15%