Question
The radius of a circular garden is 42 m. The distance
(in m) covered by running 8 rounds around it, is: (Take )Solution
Radius(r) = 42 m Distance(d) = 8 rounds 1 round = 2 πr =2× 22/7 × 42 = 264 m Distance(d) = 8 = 2112 m
A body is said to be in equilibrium when:
Which polymer is used in the production of bullet-proof materials?
Which one among the following statements is not true for Mammals?
Which of the following is a chemical change?
Which vitamin is also known as Vitamin-B2?
If the root mean square speed of gas molecules is doubled, the absolute temperature of the gas:
Which vitamin helps in improving night vision?
Which vitamin is essential for RBC formation?
Which of the following statements for the given chemical reaction is true?
Fe₂ O₃ + 2Al → Al₂ O₃  + 2Fe
The force which opposes the relative motion between different layers of liquid or gases is called –
Relevant for Exams:
