For the following questions answer them individually
What is the value of $$\frac{(a + b)^{2} - (a + b)^{2}}{ab}$$?
A truck covers three equal distances of 100 km at the speed of 200 km/hr, 300 km/hr and 600 km/hr, Find the average speed of the truck for the whole journey.
An article is sold for Rs.560 after two successive discounts of 30% and 20%. What is marked price of the article?
A sum of money is to be divided among P, Q and R in the ratio 7 : 9 : 4. If p gets Rs. 1500 more than R then find the difference between the shares of P and Q.
If the square of product of three sides of the triangle is 1024 units and the area of its circumcircle is 16$$\pi$$. What is the are of the given triangle?
In 1809, Lord ______ signed the Amritsar Treaty with Maharaja Ranjit Singh.
The Sino-Indian border is divided into how many sectors?
Who among the following was considered to be the queen of thumri?
Who among the following singers has received the Dadasaheb Phalke Award?
Which among the following generations of Computer used vacuum tubes?