40% of 75 + 80% of 25 = K% of 250 Find the value of K? 10 20 30 35 From the give

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Question
40% of 75 + 80% of 25 = K% of 250 Find the value of K?
Options
A. 10
B. 20
C. 30
D. 35

Correct Answer

20

Explanation

From the given data,

$\frac{40}{100} x 75 + \frac{80}{100} x 25 = \frac{K}{100} x 250 30 + 20 = \frac{5 K}{2} 50 x 2 = 5 K K = \frac{100}{5} = 20$

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3. If L exceeds K by 30%, then K is less than L by ?
Options
A. 14 2/5 %
B. 23 1/3 %
C. 20 %
D. 16 %

4. A user type a content on 20 sheets, each sheet consist of 55 lines, and each line can have 66 characters. The content is again retyped on another set of sheets, these new sheets have 65 lines and each line can take 70 characters. Calculate the reduction in sheets ?
Options
A. 2 or 60%
B. 4 or 20%
C. 6 or 10%
D. 8 or 5%

5. Kalyan purchased a Maruti van for Rs. 1,96,000 and the rate of depreciation is 14(2/7) % per annum. Find the value of the van after two years ?
Options
A. Rs. 1,24,000
B. Rs. 1,44,000
C. Rs. 1,32,000
D. Rs. 1,62,000

8. The percentage of metals in a mine of zinc ore is 60%. Now the percentage of silver is 3/4% of metals and the rest is zinc. If the mass of ore extracted from the mine is 8000 kg, the mass (in kg) of zinc is
Options
A. 5147 kg
B. 4764 kg
C. 3587 kg
D. 2125 kg

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