एक स्वस्थ, सामान्य रूप से विकसित होने वाले बच्चे में, किस आयु के आसपास सिर की परिधि (head circumference) और छाती की परिधि (chest circumference) आमतौर पर एक दूसरे के बराबर हो जाती हैं?

The 'Drain of Wealth' theory was propounded by which Indian nationalist leader?

Which event is considered the turning point in Mahatma Gandhi's leadership in the Indian independence movement?

Which African leader is known for his non-violent opposition to colonial rule?