Exams

10 people could complete a task in 8 days. After 4 days, 2 of the workers left. How many days from then did it take to complete the task?

What is the pH value of human blood?

In 3 years Rs 3000 amounts to Rs 3993 at x% compound interest, compounded annually. The value of x is

From the given alternative words, select the word which cannot be formed using the letters of the given word:

INTROSPECTION

Simple interest on a certain sum of money for 3 years at 18% per annum is half the compound interest on Rs. 9000 for 2 years at 10% per annum. The sum placed on simple interest is:

The average variable cost curve is ____ shaped.

_________ says that the marginal product of a factor input initially rises with its employment level. But after reaching a certain level of employment, it starts falling.

D and E are points on side AB and AC of ΔABC. DE is parallel to BC. If AD:DB = 2:5 and area of ΔADE is 8 sq cm, what is the ratio of area of ΔADE: area of quadrilateral BDEC?