Q.5995·Miscellaneous·2019·EasyConsider the following statements for the two non-empty sets A and B: 1.(A ∩ B) ∪ (A ∩ B) ∪ (A ∩ B) = A ∪ B 2.(A ∪ (A ∩ B)) = A ∪ B Which of the above statements is/are correct?View question
Q.5996·Miscellaneous·2019·EasyA thin disc and a thin ring, both have mass M and radius R. Both rotate about axes through their center of mass and are perpendicular to their surfaces at the same angular velocity. Which of the following is true?View question
Q.5997·Miscellaneous·2019·EasyLet X be a non-empty set and let A, B, C be subsets of X. Consider the following statements: 1.A ⊆ C = (A ∩ B) ⊆ (C ∩ B) 2.(A ∩ B) ⊆ (C ∩ B) for all sets B ⇒ A ⊆ C 3.(A ∪ B) ⊆ (C ∪ B) for all sets B ⇒ A ⊆ C Which of the above statements are correct?View question
Q.5998·Miscellaneous·2019·EasyLet there be an object having some chemicals in it. It starts moving with a uniform velocity v and a chemical reaction starts happening. In this case, which of the following statement/s is/are correct? 1. Chemical reactions happening in the system cannot change the velocity v of the center of mass of the object. 2. Chemical reactions happening in the system cannot change kinetic energy of the particles inside with respect to the center of mass of object. Select the correct answer using the code given below:View question
Q.6000·Miscellaneous·2019·EasyWhich one of the following statements regarding Ohm’s law is not correct?View question
Q.6001·Miscellaneous·2019·EasyWhen a ball bounces off the ground, which of the following changes suddenly? (Assume no loss of energy to the floor)View question
Q.6002·Miscellaneous·2019·EasyWhich one of the following compounds does not exhibit a different oxidation number of the same element?View question
Q.6003·Miscellaneous·2019·EasyWhich one of the following statements about glass is not correct?View question
Q.6006·Miscellaneous·2019·EasyWhich one of the following statements about diamond and graphite is not correct?View question
Q.6007·Miscellaneous·2019·EasyIf [x -3i 1; y 1 i; 0 2i -i] = 6 + 11i, then what are the values of x and y respectively?View question
Q.6008·Miscellaneous·2019·EasyThe raw materials used for the manufacture of Portland cement areView question
Q.6009·Miscellaneous·2019·EasyWhich one of the following statements about water is not true?View question
Q.6012·Miscellaneous·2019·EasyIf an object moves at a non-zero constant acceleration for a certain interval of time, then the distance it covers in that timeView question