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Study the following information and select guilty person. Ram was visiting a place where inhabitants always answer any question with two sentences. One of these is always true while other is always false. While on the visit he found that his bag has been stolen and he suspected three persons those visited his guest room. He was sure that only one person is guilty. When he questioned them they replied as follows. R ∶ S did not do it. I did not do it. S ∶ I did not do it. P did not do it. T ∶ I did not do it. I did not know who did it.
Certain facts about Force are given below. Identify the true information. A. Force is a scalar quantity. B. Gravitational force is the weakest force. C. Electromagnetic force is the strongest force. D. When sum of all forces acting on a body is zero, the body is said to be in a state of equilibrium.
Consider the following statements 1. The electrostatic force is an example of a contact force. 2. The frictional force is an example of a contact force. 3. The nuclear force is an example of a contact force. Which of the following statements is/are correct?
The elastic potential energy of a body is
1. Work done by the external force against the deforming force.
2. Work done against the external force by the deforming force.
3. The sum of work done by the external force and the deforming force.
Which one option is true?
In this question, the first and last sentences of the passage are numbered 1 and 6. The rest of the passage is split into four parts and named P, Q, R, and S. These four parts are not given in their proper order. Read the sentence and find out which of the four combinations is correct. S1: A force exists between everybody in the universe. P: Normally it is very small but when one of the bodies is a planet, like earth, the force is considerable. Q: It has been investigated by many scientists including Galileo and Newton. R: Everything on or near the surface of the earth is attracted by the mass of the earth. S: This gravitational force depends on the mass of the bodies involved. S6: The greater the mass, the greater is the earth's force of attraction on it. We can call this force of attraction gravity. The Proper sequence should be:
A school has a certain number of students out of which 40% come to school by bus and 50% come to school by auto and 20% students come by both transport and remaining 750 students come by walking. The total number of students who come to school only by bus is what percent of the total number of students who come to school only by Auto?
In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.
The scene will now shift to obtaining __________________ instruments of ratification to bring the agreement into force _________________ 2020, the first year of its________________ implementation. The agreement will enter into force with the ratification of ______________ 55 countries, whose aggregate greenhouse gas (GHG) emissions ________________ at least 55 per cent of global emissions.
bring the agreement into force _________________ 2020
In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.
The scene will now shift to obtaining __________________ instruments of ratification to bring the agreement into force _________________ 2020, the first year of its________________ implementation. The agreement will enter into force with the ratification of ______________ 55 countries, whose aggregate greenhouse gas (GHG) emissions ________________ at least 55 per cent of global emissions.
The agreement will enter into force with the ratification of ______________ 55 countries
Given below are certain facts about the “gravitational force”. Identify the INCORRECT one. A. Gravitational force depends on the intervening medium between the objects. B. Gravitational force is a type of conservative force. C. The gravitational force between two particles acts perpendicular to the line joining the two particles.
Which of the following statements regarding laws governing the friction between dry surfaces are correct? 1. The friction force is dependent on the velocity of sliding.  2. The friction force is directly proportional to the normal force. 3. The friction force is dependent on the materials of the contact surfaces. 4. The Friction force is independent of the area of contact surfaces.