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Let selling price of the article be Rs. 100 Profit = 100 × 0.2 = Rs. 20 So, the cost price = 100 – 20 = Rs. 80 Actual profit percent = [(100 – 80)/80] × 100 = 25%
Starting from a stationary position, Rahul pedals his bicycle to attain a velocity of 6 ms⁻¹ in 30 s. Then he applies brakes such that the velocity o...
The frequency range of human hearing is approximately:
Which of the following substance produces brisk effervescence when treated with baking-soda solution?
A magnetic force does no work on a moving charged particle because:
The red colour of onion is caused by the presence of which pigment?
Who discovered the neutrons?
Which vitamin is also known as Vitamin-B2?
Which of the following is a compound?
The base of an electric iron is brightly polished mainly -
Humans have _____ lobes in the left lung.