In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'. Grandfather led (1)/a peaceful life after his (2)/retirement from the army.(3)/No Error (4)
A cylinderical container of 32 cm height and 18 cm radius is filled with sand. Now all this sand is used to form a conical heap of sand. If the height of theconical heap is 24 cm, what is the radius of its base?
Ravichandran Ashwin became the fastest player in the world (in terms of number of test matches) to get 300 wickets in test cricket in November 2017. Whose record did Ashwin break?
Who among the following has been awarded by the UNHCR Nansen Refugee Award-2017 for his crucial mediating role and efforts to help children effected by the insurgency in his country?