Practice30Create account

A shopkeeper in Lucknow buys kg of rice. He notices that equals 9 times .
Which quadratic equation in standard form is this, and what non-zero value of satisfies it?

Class 10Standard Form and RootsQuadratic Equations
  • A18
  • B10
  • C8
  • D9

Step-by-Step Solution

gives , so . The non-zero solution is kg.
Answer: D) 9

Master this chapter in 30 minutes a day.

Don't just memorise the answer — build a daily practice habit.

Practice 5 Similar Questions Free →

All Standard Form and Roots practice questions

More Class 10 Standard Form and Roots practice

The sum of a positive number and its reciprocal-related expression gives x + 16/x = 8 (x…A rectangular cricket practice net in Delhi has its length 5 m more than twice its…Three sisters Asha, Bina and Chitra solved x^2 - 13x + 40 = 0. Asha says the roots are 5…The age of a father is the square of the age of his son in a riddle from a Chennai…Consider three two-digit numbers whose square is exactly 100 more than 21 times the…