Major Competitive Exams
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Q. If the polynomial P(x) = x^2 - 5x + 6 is factored, what are the roots?
Q. If the polynomial P(x) = x^3 - 3x^2 + 4 has a local maximum at x = 1, what is the value of P(1)?
Q. If the polynomial P(x) = x^3 - 6x^2 + 11x - 6 has a root at x = 1, what is P(2)?
Q. If the population of a city increases by 10% every year, what will be the population after 2 years if the current population is 1000? (2021)
Q. If the population of a city is 1 million and it grows at a rate of 2% per year, what will be the population after one year? (2023)
Q. If the population of a country increases by 5% every year, what will be the population after 2 years if the current population is 100,000?
Q. If the population of a town increases by 10% every year, what will be the population after 2 years if the current population is 1000? (2021)
Q. If the position vector of a point is (5, 12), what is its distance from the origin?
Q. If the position vector of a point is given by r = (2t, 3t, 4t), what is the velocity vector?
Q. If the position vector of a point P is (2, 3, 4), what is the distance from the origin to point P?
Q. If the position vector of a point P is (x, y, z) and the vector a = (1, 2, 3), what is the projection of P onto a?
Q. If the position vector of a point P is given by r = (2t, 3t, 4t), find the coordinates of P when t = 1.
Q. If the position vector of point P is (3, -2) and Q is (1, 4), what is the vector PQ?
Q. If the position vector of point P is (3, 4) and Q is (1, 2), what is the vector PQ?
Q. If the position vector of point P is given by r = 2i + 3j + 4k, what is the distance from the origin to point P?
Q. If the position vector of point P is given by r = 2i + 3j + 4k, what is the x-coordinate of point P? (2020)
Q. If the position vector of point P is given by r = 2i + 3j + 4k, what is the x-component of r?
Q. If the position vector of point P is given by r = 3i + 4j, what is the distance of point P from the origin?
Q. If the potential at a point is 5 V and the electric field is 2 V/m, what is the distance from the reference point? (2023)
Q. If the potential difference across a capacitor is halved, what happens to the energy stored in the capacitor? (2019)
Q. If the potential difference across a capacitor is increased, what happens to the charge stored in it? (2020)
Q. If the potential difference between two points is 10 V and the work done to move a charge of 2 C between these points is: (2020)
Q. If the power factor of an AC circuit is 0.8, what is the angle between the current and voltage? (2021)
Q. If the pressure of a gas is increased while keeping the temperature constant, what happens to its volume? (2020)
Q. If the price of a book is increased by 10% and the new price is $22, what was the original price?
Q. If the price of a book is increased by 10% and then decreased by 10%, what is the net change in price?
Q. If the price of a book is increased by 20% and the new price is $24, what was the original price?
Q. If the price of a book is increased by 20% and then decreased by 20%, what is the net change in price?
Q. If the price of a book is increased by 20% and then decreased by 20%, what is the net change in the price?
Q. If the price of a commodity increases from $20 to $25, what is the percentage increase in price?