Which Indian cricketer is known as "Brown Bradman"?

Which of the following Pair are not parent and child who have both won the Nobel prize?

Who was the first women nominated member of Rajya Sabha of India?

Who was the first living Indian to feature on a postage stamp of India?

According to the Mahabharata, who was the father of Chitrasena, Vrishasena and Satyasena?

In 2018, which team did India defeat in the final to win the ICC U19 World Cup for the record fourth time?

According to Hindu epics, which of these sages was also known as Kumbhasambhava, meaning born out of a pitcher?

In geometry the measure of which angles is less than 90 degrees?

In which city was the tenth Sikh guru, Guru Gobind Singh, born?

What is nano science

Four different prime numbers 5, 7, 17 and 19 such that the sum of any three of them is also a prime. Are there 5 different positive primes such that the sum of any three of them is also a prime?

First 17 positive integers (1..17) are rearranged into a sequence such that the sum of any two adjacent terms is a perfect square. What is the sum of the first and last terms of this sequence?

Is it possible to write down 1,2,3..100 in some order (one after an other), such that the sum of any two adjacent numbers is a prime number?

Prime number 31 can be expressed in the form n^5 -1, where n=2. Are there any other primes that can be expressed this way?