Double Diagram Data Interpretation Set: Part 3

Directions: Following Pie charts represent the number of students, who have appeared and cleared phase I of Civil Service Exam from various departments of an Arts and Science College. 

1. Approximately what is the difference between the number of students cleared phase I from Maths department and number of students appeared from English department?
A.1350
B. 1240
C. 1340
D. 1250
E. None of these

Answers & Solutions

1. Option C

→ No. of students cleared from Maths department = (60/360) * 847 = 141
→ No. of students appeared from English department = (27/ 100)* 5484  ≈ 1481
→ Difference = 1481-141  = 1340 (ans)

2. Option D

→ No. of students cleared from commerce & other dept. = [(72+67) /360]*847  = (139/360)* 847 = 327
→ No. of students cleared physics department = (42/360)* 847  = 99
→ X= (327/99)* 100
→ X= 330 % (ans)

3. Option C

→ Ratio = (Maths +Physics): (Chemistry + Commerce)  = (18+14): (11+23)  = 32: 34  = 16:17 (ans)

4. Option A

English Department:
→ Appeared = (27/100) * 5484 = 1481 

→ Cleared = (88/360)* 847=207
→ Difference = (1485-207) = 1274

Maths Department:
→ Appeared = (18/100) * 5484 = 987
→ Cleared = (60/360)* 847=141
→ Difference = (987-141) = 846

Physics Department:
→ Appeared = (14/100) * 5484 = 768
→ Cleared = (42/360)* 847=99
→ Difference = (768-99) = 669

Chemistry Department:
→ Appeared = (11/100) * 5484 = 603
→ Cleared = (31/360)* 847= 73
→ Difference = (603-73) = 530 (ans)

Commerce Department:
→ Appeared = (23/100) * 5484 = 1261
→ Cleared = (72/360)* 847= 169
→ Difference = (1261-169) = 1092

Other Departments:
→ Appeared = (7/100) * 5484 = 384
→ Cleared = (67/360)* 847= 158
→ Difference = (384-158) =226

5. Option B

→ No. of students not cleared= (5484 -847)  = 4637
→ % of students not cleared = (4637/5484) *100  = 84.55 % (ans)

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