Question
Priya bought two articles for Rs. 1080. She sold one at
a loss of 25% and another at a profit of 25%. If the selling price of both the articles is equal, then find the difference between their cost prices.Solution
ATQ, Let the cost price of the two articles be Rs. x and Rs. y respectively. Selling price of the first article = 0.75 × x = Rs. 0.75x Selling price of the other article = 1.25 × y = Rs. 1.25y According to the question, 0.75x = 1.25y x/y = 1.25/0.75 = 5/3 Desired difference = (5 – 3)/8 × 1080 = 0.25 × 1080 = Rs.270
A metal surface has a threshold frequency of 4.0 × 10¹⁴ Hz. When light of frequency 9.0 × 10¹⁴ Hz is incident on it, what is the stopping po...
Two projectiles are launched simultaneously from the same point with equal initial speeds but different angles θ and (90°– θ). Which of the followi...
The bulk modulus of a perfectly incompressible fluid is:
Which of the following method can be employed to test the Hardness of Water?
Which of the following devices stores electrical energy in a magnetic field?
The phenomenon of splitting white light into its component colours is called:
Which of the following is an example of symbiosis?
2025 Physics Nobel for:
Which of the following is not an abiotic component of our surrounding?
X-rays are
