Rajesh walks 2 km to south, then turns northeast, and walks 3 km. Then he turns south and walks 2 kms. Then he turns west and walks 4 kms. Finally, he turns northwest and walks 5 kms. In which direction is he from his starting point?
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'. Ritika decided to get up early (1)/ to wear a nice dress (2)/ and visit her aunt. (3)/ No Error (4)
Which type of epithelial tissue allows transportation of substances through a selective permeable surface in the lining of food vessels or lung alveoli?