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6th Class Mathematics Integers Question Bank Integers

  • question_answer
    On one day, the temperature on a hill at 8 p.m. was \[\text{2 }\!\!{}^\circ\!\!\text{ C}\] but at mid-night, it fell down to \[\text{-3 }\!\!{}^\circ\!\!\text{ C}\]. By how many degrees did the temperature fall?

    A)  \[\text{5 }\!\!{}^\circ\!\!\text{ C}\]

    B)  \[\text{6 }\!\!{}^\circ\!\!\text{ C}\]

    C)  \[\text{7 }\!\!{}^\circ\!\!\text{ C}\]

    D)  \[\text{8 }\!\!{}^\circ\!\!\text{ C}\]

    Correct Answer: A

    Solution :

    Temperature at \[\text{8 p}\text{.m}\text{.=2 }\!\!{}^\circ\!\!\text{ C}\] Temperature at midnight \[\text{=-3 }\!\!{}^\circ\!\!\text{ C}\] \[\therefore \] Decrease in temperature\[\text{=(2-(-3)) }\!\!{}^\circ\!\!\text{ C}\] \[\text{=(2+3) }\!\!{}^\circ\!\!\text{ C=5 }\!\!{}^\circ\!\!\text{ C}\]


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