What is the rank of India in the Human Development Index, 2020, prepared by the United Nations Development Programme (UNDP) as per the report released in 2021?
Express 0.420 as a fraction in the form of \( \frac{p}{q} \), where p and q are integers and q ≠ 0.
\(\frac{21}{50}\)
\(\frac{14}{33}\)
\(\frac{13}{33}\)
\(\frac{41}{99}\)
Study the given diagram carefully. Which option correctly explains the reason for the appearance of the blue-black color?
Potato juice contains proteins, which turn blue-black with iodine.
Potato juice contains starch, which turns blue-black with iodine
Potato juice contains glucose, which turns blue-black with iodine.
Potato juice contains fats, which turn blue-black with iodine.