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Time and Work
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SSC CGL 2025 Second Shift 📅 12 Sep, 2025

A, B, and C are capable of completing a job in 30, 45, and 90 days, respectively. A works every day, while B and C join A every fifth day. How long will it take to finish the task?

A
25 days
B
18 days
C
16 days
D
12 days
Result Summary
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SSC CGL
2025 • 12 Sep, 2025 • Second Shift
A, B, and C are capable of completing a job in 30, 45, and 90 days, respectively. A works every day, while B and C join A every fifth day. How long will it take to finish the task?
Correct Answer
25 days
Total work=90. A=3, B=2, C=1. Pattern (5 days): 4 days A only (12), 5th day A+B+C (6). 5-day cycle = 18 work. 5 cycles = 90 work in 25 days.[span_61](start_span......
Ref/Book : 1771252791.pdf
Ref. Subject Maths
Chapter -
Ref. Topic Time and Work
Pg. No -
💡 Analysis & Explanation
Total work=90. A=3, B=2, C=1. Pattern (5 days) ▼
4 days A only (12), 5th day A+B+C (6). 5-day cycle = 18 work. 5 cycles = 90 work in 25 days.[span_61](start_span)[span_61](end_span)
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