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If a and b are two integers, then which of the following may not be an integer?
Concept: undefined >> undefined
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When we divide a negative integer by a positive integer, we divide them as whole numbers and put a ______ sign before quotient.
Concept: undefined >> undefined
Division is the inverse operation of ______.
Concept: undefined >> undefined
Multiplication fact (–8) × (–10) = 80 is same as division fact 80 ÷ (–8) = (–10)
Concept: undefined >> undefined
Write five pairs of integers (a, b) such a ÷ b = −3. One such pair is (6, −2) because 6 ÷ (−2) = (−3).
Concept: undefined >> undefined
The temperature at 12 noon was 10°C above zero. If it decreases at the rate of 2°C per hour until midnight, at what time would the temperature be 8°C below zero? What would be the temperature at midnight?
Concept: undefined >> undefined
In a class test (+3) marks are given for every correct answer and (–2) marks are given for every incorrect answer and no marks for not attempting any question. Radhika scored 20 marks. If she has got 12 correct answers, how many questions has she attempted incorrectly?
Concept: undefined >> undefined
An elevator descends into a mine shaft at the rate of 6 m/min. If the descent starts from 10 m above the ground level, how long will it take to reach −350 m?
Concept: undefined >> undefined
Which of the following does not represent an integer?
Concept: undefined >> undefined
