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Arithmetic Ability
Time and Work
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DSSSB PRT 2022 Afternoon 📅 16 Mar, 2022

A work is completed by A, B and C together. A and B together completed 30% of the work and B and C together completed 80% of the work. Who among the three is the most efficient?

A
A
B
All are equal
C
C
D
B
Result Summary
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DSSSB PRT
2022 • 16 Mar, 2022 • Afternoon
A work is completed by A, B and C together. A and B together completed 30% of the work and B and C together completed 80% of the work. Who among the three is the most efficient?
Correct Answer
C
• **Total:** 100%. • **C's work:** Total - (A+B) = 100 - 30 = 70%. • **A's work:** Total - (B+C) = 100 - 80 = 20%. • **B's work:** Total - (A+C) = 10......
Ref/Book : DSSSB PRT 2022
Ref. Subject Maths
Chapter -
Ref. Topic Time and Work
Pg. No -
💡 Analysis & Explanation
• **Total ▼
** 100%.
• **C's work ▼
** Total - (A+B) = 100 - 30 = 70%.
• **A's work ▼
** Total - (B+C) = 100 - 80 = 20%.
• **B's work ▼
** Total - (A+C) = 100 - 90 = 10%.
• **Most Efficient ▼
** C (70%).
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