Which institution is known as 'Soft Loan Window' of World Bank?

If x+1x = 2, then x2+1x2 = ?

If x+1x ≠0 and x3+1x3 = 0, then the value of x+1x4 is :

A man travels 50 km at speed 25 km/h and next 40 km at 20 km/h and there after travel 90km at 15 km/h. His average speed is

In an examination, 35% of total students failed in Hindi, 45% failed in English and 20% failed in both. Find the percentage of those studnets who passed in both the subjects ?

To make a profit of 20% the selling price of the good is Rs. 240. The cost price of the good is,

Average of two numbers is 8 and average of other three numbers is 3 ; the average of the five numbers is

A, B and C enter into a partnership, investing Rs. 6000. A invests Rs. 1000 and B and C invests in the ratio of 2:3. Find the profit of C, when the annual profit is Rs. 2400