For the following questions answer them individually
What should come in place of the question mark (?) in the following mathematical statement?
$$\sqrt{19\times650\div13+18.5\times4}\times13 =?$$
A person goes from P to Q at a speed of 20 km/h. Then he goes from Q to R at a speed of q km/h. Finally the person goes from R to S at a speed of r km/h. The distances from P to Q, Q to R and R to S are equal. If the average speed from P to R is $$\frac{280}{11}$$ km/h, and the average speed from Q to S is $$\frac{112}{3}$$ km/h, then what is the value of r?
The length of each side of a cube is 4 cm. What is the volume of the cube?
The amount received after 8 years on a certain sum of money invested at the rate of 18% simple interest per annum is ₹1,220. What was the initial sum invested?
Piu and Titu start from the same place at the same time and walk in opposite directions. If Piu walks at 5 km/h and Titu walks at 2 km/h, after what time will they be 10.5 km apart?
Which part of the Constitution of India talks about the Directive Principles of State Policy?
Who among the following was a famous Indian playback singer and an actor too?
The Purple Revolution, which was launched in Jammu and Kashmir, is also known as ______.
Who among the following founded Brahmo Samaj in Calcutta (Kolkata)?
Which of the following is NOT a cause of rural poverty in India?