The Biotic World

If the perimeter and the area of a circle are numerically equal, then the radius of the circle is ?

The Biotic World  is the best free Educational Website for Students.  The Biotic World  Provides  NCERT Solution PDF ,  C…

byAmlesh Mahato •July 14, 2021

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

The Biotic World  is the best free Educational Website for Students.  The Biotic World  Provides  NCERT Solution PDF ,  C…

byAmlesh Mahato •July 09, 2021

Fig. 12.3 depicts an archery target marked with its five scoring regions from the centre outwards as Gold, Red, Blue, Black and White. The diameter of the region representing Gold score is 21 cm and each of the other bands is 10.5 cm wide. Find the area of each of the five scoring regions.

The Biotic World  is the best free Educational Website for Students.  The Biotic World  Provides  NCERT Solution PDF ,  C…

byAmlesh Mahato •July 09, 2021

The radii of two circles are 8 cm and 6 cm respectively. Find the radius of the circle having area equal to the sum of the areas of the two circles.

The Biotic World  is the best free Educational Website for Students.  The Biotic World  Provides  NCERT Solution PDF ,  C…

byAmlesh Mahato •July 09, 2021

The radii of two circles are 19 cm and 9 cm respectively. Find the radius of the circle which has circumference equal to the sum of the circumferences of the two circles.

The Biotic World  is the best free Educational Website for Students.  The Biotic World  Provides  NCERT Solution PDF ,  C…

byAmlesh Mahato •July 09, 2021