Question

Q1. A man borrowed ₹5500 from a money lender at 16% p. a. simple interest. After some time

he laid back ₹ 8580. Find the time.

Q2. In a class, the number of girls is 20 and number of boys is 25. What is the ratio of girls to

total students?

Q3. On selling a watch for ₹11400, a shopkeeper loses 5℅ . For how much did he purchase it?

Q4. Find the angles of a triangle which are in the ratio 4:3:2.

Q5. One side of a triangle is produced and the exterior angle so formed is 120°. If the interior

opposite angles be in the ratio of 3:5, find the measure of each angle of a triangle.

Q6. Construct a ∆ABC in which BC = 6.2 cm. angle B = 60° and angle C = 45°.

Q7. The area of a right triangle is 40 cm². If one of it's legs measures 8 cm, find the length of the

other leg.

Q8. A racetrack is in the form of a ring whose inner circumference is 528 m and the outer

circumference is 616 m. Find the width if the track.

Q9. A wire is in the shape of a square of side 10cm. If the wire is rebent into a rectangle of

length 12 cm. Find it's breadth. Which figure encloses more area and by how much?

Q10. Name and draw any one geometrical shapes which has

a. Neither line of symmetry nor a rotational symmetry.

b. 3 lines of symmetry and a rotational symmetry of order 3​

Answer 1

Step-by-step explanation:

a.) ₹1,320

b.)Number of girls = 20

Total number of students in a class = 20+25

= 45

Ratio = number of girls / total number of students

= 20/ 45

= 4/9

Hence , ratio is 4/9

I don't have much time so I will give you

next ans personally

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