Question
Krishna can do a piece of work in 25 days. He alone
worked at it for 10 days and then Balram completed alone the rest work in 20 days. In how many days, they will complete the whole work, working together?Solution
Efficiency of Krishna = 100/25 = 4% Work done by Krishna in 10 days = 10/25 × 100 = 40% Remaining work = 60% Efficiency of Balram = 60/20 = 3% Therefore, required number of days = 100/((4+3)) = 100/7 = 14(2/7) days
Muhammad Ghori laid the foundation of the Turkish Empire in India by defeating
Ghazni was a small principality in
Who authored the historical account "Padshahnama," chronicling the reign of Shah Jahan?
Atmospheric Pressure at sea level equals:
The Battle of Haldighati was fought between which two leaders.
The rulers of the Lodhi dynasty were
Which Mughal emperor bestowed the title 'Sahibat-uz-Zamani' on Jahanara Begum?
In which year did Babur establish Mughal rule in India?
Akbar'a son and successor Salim, on becoming the emperor, assumed the name of
Who served as a court poet during the reign of Emperor Samudragupta?
Relevant for Exams:
