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?

The numbers 1 up to 16 must be placed in the circles of the square depicted below, in such a way that the sum of the numbers in each row, column, and diagonal amounts to 34. How should the numbers be arranged in the square?

Each empty white square in the grid contains one of the numbers 1, 2, 3,..., 8. Each of the horizontal and vertical equations must be true and each number must be used exactly once.

In how many different ways can the letters of the word 'LEADING' be arranged in such a way that the vowels always come together?

All the digits of the given number are different.

Fill in the boxes with numbers from 1-10. One number can be used only once.