Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.

Mathematics : Areas Related to Circles

Short Answer Type

121.

At what rate must a motor bike travel in order that its driving wheel of 7.7 km diameter makes 500 revolutions in $4 1 over 30$ minute.

117 Views

122. The hind wheel of a carriage makes 500 revolutions in going a distance of 2200 m. Find the radius of the wheel.

79 Views

123. The wheel of a car are of diameter 80 cm each. How many complete revolution does each wheel make in 10 minutes when the car is travelling at a speed of 66 km per hour.

120 Views

124. The outer circumference of a circular track is 528m. The track is every where 14 m wide. Calculate the cost of levelling the track 50 paise per sq. m.

501 Views

125.

The inner circumference of a circular track is 440 m. The track is everywhere, 14 m wide, calculate the cost of

(i) levelling it at 20 paise/sq m.
(ii) putting up a fence along outer circle at Rs 2/metre.

437 Views

126. The areas of two concentric circles forming a ring are 154 cm² and 616 cm². Find the width of the ring.

187 Views

127. The circumference of two concentric circles forming a ring are 88 cm and 66 cm respectively. Find the width of the ring.

266 Views

128. A path 7 m wide runs around a circular park whose radius is 28 m. Find the cost of gravelling the path at 65 paise per sq. metre.

112 Views

129. A field is in the form of a circle. A fence is to be erected around the field. The cost of fencing would be Rs. 2640 at the rate of Rs 12 per metre. The field is ploughed at the cost of Re 0.50 per m². What is the amount required to plough the field?

99 Views

130. A circular road is constructed round a circular garden. It costs Rs 4400 at the rate of Rs. 3.5 per sq metre. The area of garden is 1386 sq mts. Find the width of the circular road.

81 Views