Based on the standard cumulative height data where total number of boys with height less than 155 cm is 18 and less than 160 cm is 30, the number of boys whose height is between 155 and 160 cm is:

Mahatma Gandhi's last fast unto death in 1948 was primarily against which of the following?

What was the primary meaning of 'Swaraj' as popularized by Mahatma Gandhi during India's independence movement?

What was one major impact of India’s independence on its economy?