Write five pairs of integers (a, b) such that a ÷ b = -3 one such pair is (-6, 2).
Solution:
In competition 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.
(i) Sachin scored 24 marks. If he got 14 correct answers, how many questions has he attempted incorrectly?
(ii) Nalini scores (-7) marks in this competition, though she has got 9 correct answers. How many questions she has attempted
incorrectly?
Solution:
More Solutions:
- Some integers are marked on the following number line:
- If Rohit’s scores in five successive rounds were 15, -3, -7, 12 and 8.
- Each column and each diagonal is -6.
- State whether each of the following statement is true or false:
- Write a pair of integers whose:
- Can we say that we can add integers in any order?