In two successive years, 100 and 200 students of a school appeared at

1.	In two successive years, 100 and 200 students of a school appeared at the final examination. Respectively 80% and 60% of them passed. Find the cumulative passing percentage in 2 years. 1. 50%2. 60%3. 66.67%4. 65%
Answer» Correct Answer - Option 3 : 66.67% GIVEN: In two successive years, 100 and 200 students of a school appeared at the final examination. Respectively 80% and 60% of them passed. FORMULA USED: X% of Y = Y × X/100 CALCULATION: Total number of students appeared in 2 years = 100 + 200 = 300 And Total number of passed students in 2 years = 100 × 0.8 + 200 × 0.6 = 80 + 120 = 200 Hence, Required percentage = [200/300] × 100 = 66.67%

In two successive years, 100 and 200 students of a school appeared at the final examination. Respectively 80% and 60% of them passed. Find the cumulative passing percentage in 2 years. 1. 50%2. 60%3. 66.67%4. 65%

Answer» Correct Answer - Option 3 : 66.67%

GIVEN:

In two successive years, 100 and 200 students of a school appeared at the final examination. Respectively 80% and 60% of them passed.

FORMULA USED:

X% of Y = Y × X/100

CALCULATION:

Total number of students appeared in 2 years = 100 + 200 = 300

And

Total number of passed students in 2 years = 100 × 0.8 + 200 × 0.6

= 80 + 120

= 200

Hence,

Required percentage = [200/300] × 100 = 66.67%

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In two successive years, 100 and 200 students of a school appeared at the final examination. Respectively 80% and 60% of them passed. Find the cumulative passing percentage in 2 years. 1. 50%2. 60%3. 66.67%4. 65%

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