Mechanical Engineering
2025 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE ME 2025 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 64–65 of 65. Imported answers require review unless explicitly marked reviewed.
Question 64
Open questionMENAT2 marksNeeds review
A company uses 3000 units of a part annually. The units are priced as given in the table below. It costs ₹ 150 to place an order. Carrying costs are 40 percent of the purchase price per unit on an annual basis. The optimal total annual cost is ₹ ______ (rounded off to 1 decimal place).
Order quantity | Unit price (₹) |
|---|---|
1 to 499 | 9.0 |
500 to 999 | 8.5 |
1000 or more | 8.0 |
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 65
Open questionMENAT2 marksNeeds review
A project involves eight activities with the presence relationship and duration as shown in the table below. The slack for the activity D is _____ hours (answer in integer).
Activity | Immediate predecessor | Duration (hours) |
|---|---|---|
A | - | 4 |
B | A | 8 |
C | A | 5 |
D | B | 2 |
E | B | 7 |
F | C | 6 |
G | D | 3 |
H | E, F, G | 9 |
Log in to check the answer
You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer