Major Competitive Exams
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Q. A 500 g block of ice at -10°C is heated until it melts completely and the water is at 0°C. How much heat is required? (Specific heat of ice = 2.1 J/g°C, Latent heat of fusion = 334 J/g) (2000)
Q. A 6 kg object is at rest on a horizontal surface. If a horizontal force of 12 N is applied, what is the acceleration assuming no friction?
Q. A 6 kg object is dropped from a height. What is the force acting on it just before it hits the ground?
Q. A 6 kg object is in free fall. What is the force acting on it due to gravity?
Q. A 6 kg object is moving with a velocity of 3 m/s. What is its kinetic energy?
Q. A 6 kg object is pulled with a force of 24 N. What is the acceleration of the object?
Q. A 6 kg object is pushed with a force of 18 N. What is the resulting acceleration? (2023)
Q. A 6 kg object is subjected to a net force of 12 N. What is its acceleration?
Q. A 60W bulb is connected to a 120V supply. What is the resistance of the bulb?
Q. A 9V battery is connected to a circuit with a total resistance of 3Ω. What is the total current flowing in the circuit? (2023)
Q. A and B are mixed in the ratio 1:3. If there are 48 liters of the mixture, how much of liquid A is there?
Q. A and B are mixed in the ratio 1:4. If the total volume of the mixture is 100 liters, how many liters of liquid A are there?
Q. A and B are mixed in the ratio 1:4. If there are 100 liters of the mixture, how much of A is there?
Q. A and B are mixed in the ratio 1:4. If there are 15 liters of B, how much A is there?
Q. A and B are mixed in the ratio 2:3. If the total quantity of the mixture is 50 liters, how much of A is there?
Q. A and B are mixed in the ratio 2:3. If the total volume of the mixture is 50 liters, how much of liquid A is present?
Q. A and B are mixed in the ratio 2:3. If the total volume of the mixture is 50 liters, how much of liquid B is there?
Q. A and B are mixed in the ratio 2:3. If the total volume of the mixture is 50 liters, how much of A is there?
Q. A and B are mixed in the ratio 2:3. If there are 30 liters of mixture, how much of A is there?
Q. A and B are mixed in the ratio 4:5. If the total volume of the mixture is 90 liters, how many liters of liquid B are there?
Q. A and B are mixed in the ratio 4:5. If the total volume of the mixture is 90 liters, how much of liquid B is present?
Q. A and B are mixed in the ratio 5:3. If there are 64 liters of the mixture, how much of liquid B is there?
Q. A and B can complete a work in 12 days and 18 days respectively. If they work together, how long will it take them to complete the work?
Q. A and B can complete a work in 12 days and 18 days respectively. In how many days can they complete the work together?
Q. A and B can do a piece of work in 12 days and 18 days respectively. If they work together for 6 days, how much of the work is left?
Q. A and B can do a piece of work in 20 days and 30 days respectively. If they work together for 10 days, how much of the work is left?
Q. A and B have an average weight of 60 kg. If A weighs 70 kg, what is B's weight?
Q. A and B invest in a business in the ratio 3:2. If A's share of profit is $600, what is B's share?
Q. A and B invest in a business in the ratio 3:2. If the total profit is $5000, how much does B receive?
Q. A and B invest in a business in the ratio of 3:2. If the total profit is $5000, how much does B receive?