For the following questions answer them individually
Avi and Bindu can complete a project in four and twelve hours, respectively. Avi begins project at 5 a.m., and they work alternately for one hour each. When will the project be completed?
Two circles having radii 12 cm and 8 cm, respectively, touch each other externally. A common tangent is drawn to these circles which touch the circles at M and N, respectively. What is the length (in cm) of MN?
The following table gives the sales of an electronic chip over 5 years. Find the year in which the sales are equal to the average of the sales over the 5 years.
In an election between two candidates, 80% of the eligible voters cast their votes, 5% of the votes cast were declared invalid. A candidate got 10545 votes, which were 75% of the total valid votes. Find the total number of eligible voters.
In which year was the National Biodiversity Authority, a statutory autonomous body, established under the Ministry of Environment and Forests, Government of India?
Who among the following received the Sahitya Akademi Award (Non-fiction) for his book ‘An Era of Darkness’ in 2019?