Find the next number in the series. 6, 7, 16, 51,

What was the cut-off rate in RBI’s ₹1 trillion Variable Rate Reverse Repo (VRRR) auction on 8th July 2025? 

What is the new UPI transaction limit set for specific transactions such as tax payments and hospital services, as of August 2024?

What is the theme of the IICA North-East Conclave 2025 held in Shillong? 

Which Indian Navy ship conducted joint surveillance with Mauritius in June 2025? 

By what percentage did India's core sector grow in May 2024 compared to the same period last year?

What is the mechanism of action of Dhanuka Agritech’s herbicide 'DINKAR' for paddy crops?

What is the purpose of the recently inducted LSAM 12 missile cum ammunition barge in Mumbai?

Which legislative act ended the East India Company’s trade monopoly in India?

Who won India’s first gold at the 2025 ISSF Junior World Cup in Germany?