# NCERT Class 7 Mathematics Model Paper 1 Questions and Answers Part 4

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28. Hazel started a game of monopoly with `70. She had to pay `25 as tax and received `10 as rent of one of her sites. Again, she won `20 by way of lottery and was then fined `50 for over speeding. How much money was left with her at the end of the game?

OR

Shabana goes 30 km north from a point P to the point Q. She moves 45 km towards south along the same road. If the distance towards north is represented as positive integer, then how will you represent the distance travelled towards south? By which integer will you represent her final position from P?

Ans: Total money she has = `70

Tax paid = `25

Amount received as rent = `10

Amount she won in lottery = `20

Amount given by her for over speeding = `50

Money left

29. Draw the net of the following

(i) Triangular pyramid

(ii) Cylinder

(iii) Triangular prism

Ans:

30. Karan and Shashank borrowed `6000 each at the rate of 12% per annum for a period of 2 years and 3 years, respectively. Find the difference of interest paid by them.

Ans: Interest paid by Karan =

Interest paid by Shashank =

Difference

31. (i) What should be added to to obtain?

(ii) What should be subtracted from to get?

Ans: (i) Let z should be added

(ii) Let z should be subtracted

32. Meeta saves `400 from her salary. If this is 10% of her salary, what is her salary?

OR

The number of illiterate persons in a country decreased from 150 lakhs to 100 lakhs in 10 years. What is the percentage of decrease?

Ans: Let Meeta’s salary be x.

Thus, Meeta’s salary is

OR

Percentage decrease