# A father notes that when his teenage daughter uses the telephone, she takes not less than 6 minutes for a call and som? times as much as an hour. Fifteen minutes call are more frequent than calls of any other duration. If these phone calls were an activity in PERT project, then phone calls expected duration will be _____ ? with Answer - Civil Engineering Mcqs | TestPrep

> Solved MCQ: A father notes that when his teenage daughter uses the telephone, she takes not less than 6 minutes for a call and som? times as much as an hour. Fifteen minutes call are more frequent than calls of any other duration. If these phone calls were an activity in PERT project, then phone calls expected duration will be _____ ? Correct Answer: C. 21 minutes. Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

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# A father notes that when his teenage daughter uses the telephone, she takes not less than 6 minutes for a call and som? times as much as an hour. Fifteen minutes call are more frequent than calls of any other duration. If these phone calls were an activity in PERT project, then phone calls expected duration will be _____ ?

Direct Answer & Quick Reference

The correct option is **C. 21 minutes**.

A. 15 minutes

B. 20.143 minutes

C. 21 minutes **(Correct Answer)**

D. 27 minutes

✨ Explain with AI

Verified Key: C. 21 minutes
Solved by 2,104+ students

Verified against official examination board answer keys and standard curriculum textbooks.

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