Which state has secured the first position in the Export Readiness Index 2020?

India's first Corona test kit has been approved by

Which mental health helpline service has been started by the central government?

The average age of a family of 6 members is 22 years. If the age of the youngest member be 7 years the average of the family at the birth of the youngest member was -

A mixture contains wine and water in the ratio 3 : 2 and another mixture contains them in the ratio 4 : 5 . How many litres of the latter mixture must be mixed with 3 litres of the former mixture so that the resultant mixture may contain equal quantities of wine and water? 

Direction: In the following questions, select the related letters from the given alternatives.

Eye: Wink:: Heart:? 

In a group of five districts, Akbarpur is smaller than Fatehpur, Dhanbad is bigger than Palamu and Barabanki is bigger than Fatehpur but not as big as Palamu. Which district is the biggest? 

A's 2 days work is equal to B's 3  days work. If A can complete the work in 8 days, then to complete the work B will take: