Level 1 Problems Percentage

Level 1 Problems Percentage

In our Singapore office there is 60% female employee. 50% of all the male employees are computer literature. If there are total 62% employee s computer literature out of the total 1600 employees, then the no. of employees who are computer literature:

Solution:

                        F                                  M

                        60x                              40x

                        42x                              20x

                        --------------(62x)---------------

Therefore female comp. literature 1600 x 42/100  = 672

The price of a car depreciates in the first year by 25% in the second year by 20% in the third year by 15% and so on. The final price of the car after 3 years, if the present cost of the car is rs.10,00,000:

Solution:

(10,00,000) x 0.75 x 0.80 x 0.85 x = rs. 5,10,000

A shopkeeper chargers sales tax of x% upto rs.2,000 and above it he charges y%. A customer pays total tax or rs.320, when he purchases the goods worth rs. 6000 and he pays the total tax of rs.680 for the goods worth rs.12,000. The value of (x-y) is:

Solution:

2000 x X/100 + 4000 x Y/100 = 320

And 2000 x X/100 + 10,000 x Y/100 = 680

Therefore  x= 4  and y = 6

x-y = -2

40% of a number when added to the square of the same number, then it is increased to 4040% of itself the actual number is:

Solution:

Go through option (40 x 0.3) + x2 = x * 4040/100

ð  X^2 = 40x = > x = 40

In my office there are 30% female employees and 30% of these earn greater than rs.8000per month and 80% male employees earn less than rs.8000 per month. What is the percentage of employees who earn more than rs.8000 per month?

Solution:

 Cant be determined .we don’t that whether there are some male employees who have exactly rs. 8000 per month as their salary or not.