Question
When a number is increased by 30% then the number
obtained is 34 less than thrice the original number. Find the original number.Solution
Let the original number be ‘x’. According to the question, => x × 1.3 + 34 = 3x => x = 20
Lamberts law is related to –
Galvanisation is the process of depositing a layer of ________ on iron.
A liquid of density ρ is rotating in a cylindrical vessel with constant angular velocity ω. The free surface of the liquid takes the shape of:
What is the function of the red blood cells?
Which of the following acid proves to be useful for the purification of gold and silver?
Which of the following is not an equation of motion?
What type of immunity is provided by vaccination?
Which of the following represents Ohm’s Law?
A spherical conductor of radius R is surrounded by a concentric spherical shell of radius 2R. The capacitance of this system is:
Lichens are sensitive to which air pollutant?