Study the graphs to answer these questions.
The pie chart shows the percentage of graduate employees in various department of M/S XYZ limited.
The employees in various departments of M/S. XYZ limited. Other than graduate employees are those employees who are either post graduate or undergraduates.

Number of other than graduate employees in Finance and Planning departments together is what percent greater than number of graduate employees in Administration department? (Approx) 

On selling an article for ₹651, there is a loss of 7%. The cost price of that article is

A merchant purchases a wrist watch for ₹ 450 and fixes its list price in such a way that after allowing a discount of 10%, he earns a profit of 20%. Then the list price of the watch is

Mohshin has 5 daughters. The average age of these 5 sisters is 28 years. The youngest one is 16 years old. What was the average age of the 4 daughters before the youngest one was born?

In an examination 60% of the students passed in English and 70% in Mathematics, if 20% of the students failed in both the subjects and 2500 students passed in both the subjects, then what is the total number of candidates?

If $${b\over a}=0.7$$ find the value of $${a-b\over a+b}={11\over34}.$$

A certain sum amounts to Rs. 5,832 in 2 years at 8% per annum compound interest, the sum is: 

Directions: Find the wrong number in the following number series:

141, 156, 147, 162, 153, 165, 159