Questions

The area of a semicircle is 308 sq.cm. Calculate its perimeter (in cm)

What is the value of sin ­7π/4c?

Calculate the time period (in seconds) of a sound wave of wavelength 4m traveling with a speed of 500m/s

 During the night, the direction of the wind would be from the __________________.

Rusting is _____.

Madhubani artwork started in which state of India?

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/Phrase.
To put a spoke in one's wheel

If one more baker is hired the output of a bakery will increase from 1250 breads to 1400 breads per day, but then the bakery will have to reduce the price of the bread from Rs 15 to Rs 14 per unit to sell the additional output, the marginal revenue product of the last baker is _______.