Remaining work after A's part = 1−7/20=13/20. A and B together complete 13/20 of the work in 5 days. So their combined one-day work = (13/20)/5=13/100. Time for full work together = 100/13 days.
CUET UG 2023 — General Test Arithmetic
A completes 207 of a work in 10 days. Then he completes the remaining work with the help of B in 5 days. The time required for A and B together to complete the entire work is:
Held on 15 Jun 2023 · Verified 13 Jul 2026.
29100 days
13100 days
17100 days
13200 days
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