Question

Q4. The price of the stock decreases Rs. 45 per day for four consecutive days. What
was the total change in value of the stock over 4 day period?

Q5. In a test (+5) marks are given for every correct answer and (-2) marks are given for every incorrect answer.
a. Radhika answered all the questions and scored 30 marks and get 10 correct
answers
b. Jay also answered all the questions and scored (-12) marks though he got 4
correct answers. How many incorrect answers had they attempted?

Note : THIS IS A TOPIC ON INTEGERS

Answer 1

Question 4 :-

price of the stock decreases per day = Rs. 45

- 45 x 4 = - 180 rupees

So, the total change in value of the stock over 4 day period = -180 rupees