Question

A shopkeeper earns a profit of 2 by selling one pen and incurs a loss of 1 on each pencil,
(i) in a particular month she a loss of 10. In this period, she sold 75 pens. How many
pencils did she sell in this period?
(1) In the next month he earns neither profit nor loss. If he sold 50 pens, how many pencils
did she sell?
6. In a test(+5) marks are given for every correct answer and(-2) marks are given for every incorrect
answer.
(0) Sonika answered all the questions and scored 30 marks though she got 10 correct
answers.
(it) Ravi also answered all the questions and scored (-12) marks though he got 4 correct
answers.
How many incorrect answer had they attempted?
7. Write five pairs of integers (a,b) such that a+b=-5, (15,-3) is one such pair because
15+(-3)=-5.
BON EXERCISE
Find the product of following:
(1) (-15) (-4) (W) 15 x(-4)
(ul) -15 X4​

Answer 1

Answer:

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Step-by-step explanation:

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