Which Indian cricketer is known as "Brown Bradman"?

Which of the countries has had a prime minister whose name featured the name of his country?

Which of the gulf city was a dependency of Bombay Presidency under British rule for almost a century?

Which colour has the shortest wavelength?

A 300m long train crosses a platform in 39 seconds while it crosses a signal pole in 18 secs.what is the length platfrm

whats biology

What is motion?

Who invented the Logarithm tables ?

Who was the first person to defeat Muhammad Ali during his professional career?

Why is organic compounds volatile???

21

If the number is xy, it can be written as 10x+y 10x+y=7*(x+y) => 3x=6y =>x=2y The smallest xy is 21

The year 1978 is such that the sum of the first two digits and the latter two digits is equal to the middle two digits, i.e. 19 + 78 = 97. What is the next year (after 1978) for which this is true?