Questions

Two chords AB and PQ of a circle intersect at D inside a circle. If AD = 4 cm, DB = 6 cm, QD = 3 cm, the length of PQ is equal to

Who discovered Penicillin?

Which of the following is NOT considered as Amir Khusro's creation?

In the given Pie-chart, the comparative study of the production of Rice, Wheat, Sugar and Tea of a country is given. Study the Pie-Chart and answer the following questions.

From this diagram, the ratio of sum of wheat and sugar production to difference in production of rice and tea is

The average of 17 results is 60. If the average of first 9 results is 57 and that of the last 9 results is 65, then what will be the value of 9th result?

A solid sphere of diameter 17.5 cm is cut into two equal halves. What will be the increase (in cm2) in the total surface area?

Whose ear Mike Tyson bite in professional boxing match in 1997 for the WBA Heavyweight Championship?

Algae belongs to which of the following levels of the ecosystem?