Question

. a) The number of rooms on the ground floor of a building is 12 less than twice of the

number of rooms on first floor. If the first floor has ‘x’ rooms, how many rooms does the ground

floor has?

b) The cost of one pen is Rs.200; find the cost of ‘n’ pens? (3)

Ques9. Pankaj bought a bag of potatoes weighing 7 kg 250 g. He used 1 kg 400 g for making potato

chips. Find the quantity of potatoes left with him. Write your answer in decimals. (3)

Ques10. Determine if the following are in proportion or not: (3)

a) 18 : 24 :: 32 : 24

b) Rs.20 : Rs.35 :: 32 people : 56 people

Ques11. How many bricks whose length and breadth are 20 cm and 15 cm respectively will be

needed to fit in a lane whose length and breadth are 18000 cm and 500 cm respectively? (3)

SECTION – C

Ques12. Solve the following equations and check your answers: (4)

a) 23 - 6 = 10 b) 7x + 10 = 59

Ques13. An employee earns Rs.18000 in 15 months. (4)

a) How much will he earn in 9 months?

b) In how many months will he earn Rs.12000?

Ques14. a) Draw a circle with radius 5 cm. Draw any chord XY. Construct perpendicular bisector

of XY. (4)

b) Construct an angle of 1350

using compasses.



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Answer 1

Answer:

a. 2x-12

b. 200n

c.

Step-by-step explanation:

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