Who was the only World Heavyweight boxing champion to retire undefeated?

After starting his career with a 48-0 record, Larry Holmes lost his heavyweight title with which fighter?

What famous video game featured Mike Tyson as the final boss?

Amir Khan won the Commonwealth lightweight title in July 2007 at the O2 but who put him on the floor before losing?

When is National Science Day celebrated every year in India?

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Which prize is given by the UNESCO for Popularization of science ?

Which country’s plane Tu-154, on December 25, crashed on its way to Syria in the Black Sea with 92 people onboard?

Where was the so-called Black War fought between the mid 1820s and 1832?

When and who invented microchip technology?

A group of students has 3 boys and 6 girls. Two are chosen at random to represent the school in a spelling competition. Find the probability that both are girls.

Total number of ways to select two students = 9C2 = 36 Total number of ways to select two girls from 6 gals = 6C2 = 15 Probability = 15/36= 5/12

In a school there are 650 students. The ratio of the boys to that of the girls is 8:5. How many more girls should join the school so that the ratio becomes 4:3

6 playing cards were choosen randomly from the pack getting 2 spades, a heart and 3 clubs. What is the probability of getting a club in the next 6 'choose'?

There are 3 boys and 4 girls. We have to arrange any 1 boy at the center and any 2 girls at corners. In how many methods these persons can be arranged.