Munna is the jigri of:

Step 1: Identify Munna’s pattern
Munna got exactly 9 out of 10 answers correct. From the final answer key (last row — Sastry), we compare Munna’s row: Sastry:b , d , d , c , b , d , a , c , a , b
Munna: b , d , d , c , b , d , a , c , b , b] Only mismatch is at Q9 ⇒ Munna changed this intentionally (as per passage).
Step 2: Find two students who can be jigri to Munna
A student’s answer key is copied from either one or two jigri(s). If two: identical ⇒ copied, else blank. Let’s check whose answers closely match Munna except Q9.
Niran: b d d c b d a c b b (Only Q9 differs from Sastry) ✔️
Praveen: b d d c b d a c b b ✔️ These match Munna exactly ⇒ Both could be jigri.
Therefore, Munna is the jigri of Niran and Praveen.
| P1 | P2 | P3 | P4 | P5 | Fixed Payment | Bonus | |
|---|---|---|---|---|---|---|---|
| Arun | 4 | Rs. 1000 | Rs. 250 × Final Rating | ||||
| Barun | 3 | Rs. 1200 | Rs. 200 × Final Rating | ||||
| Chandan | 2 | Rs. 1400 | Rs. 100 × Final Rating | ||||
| Damodaran | 3 | Rs. 1300 | Rs. 150 × Final Rating | ||||
| Eman | 2 | Rs. 1100 | Rs. 200 × Final Rating |
| English | Hindi | Mathematics | Science | Social Science | |
|---|---|---|---|---|---|
| Alva | 80 | 75 | 70 | 75 | 60 |
| Bithi | 90 | 80 | 55 | 85 | 85 |
| Carl | 75 | 80 | 90 | 100 | 90 |
| Deep | 70 | 90 | 100 | 90 | 80 |
| Esha | 80 | 85 | 95 | 60 | 55 |
| Foni | 83 | 72 | 78 | 88 | 83 |
| No. of Friends | No. of Acquaintances | No. of Strangers | |
|---|---|---|---|
| Amudha | 1 | 4 | |
| Bharatan | |||
| Chandran | 1 | ||
| Dhinesh | 2 | ||
| Ezhil | 1 | ||
| Fani | 1 | ||
| Gowtham | 3 | 2 |
The following additional facts are also known.
1. Amudha, Bharatan, and Chandran are mutual strangers.
2. Amudha, Dhinesh, and Fani are Ezil's friends.
3. Chandran and Gowtham are friends.
4. Every friend of Amudha is an acquaintance of Bharatan, and every acquaintance of Bharatan is a friend of Amudha.
5. Every friend of Bharatan is an acquaintance of Amudha, and every acquaintance of Amudha is a friend of Bharatan.
| Finished product | Raw materials required |
|---|---|
| mango smoothie | Mango, Milk |
| Apple smoothie | Apple, Milk |
| Banana smoothie | Banana, Milk |
| Mixed fruit smoothie | Mango, Apple, Banana, Milk |
| Fruit salad | Mango, Apple, Banana |
One unit of milk, mango, apple, and banana cost ₹5, ₹3, ₹2, and ₹1 respectively. Each unit of a finished product is sold for a profit equal to two times the number of raw materials used to make that product. For example, apple smoothie is made with two raw materials (apple and milk) and will be sold for a profit of ₹4 per unit. Leftover raw materials are sold during the last business hour of the day for a loss of ₹1 per unit.
The amount, in rupees, received from sales (revenue) for each woman in each of the four business hours of the day is given in Table-2.
| Business Hour | Ganga | Kaveri | Narmada |
|---|---|---|---|
| Hour 1 | 23 | 19 | 31 |
| Hour 2 | 21 | 22 | 21 |
| Hour 3 | 29 | 30 | 23 |
| Hour 4 (last hour) | 30 | 27 | 22 |
The following additional facts are known.
1. No one except possibly Ganga sold any Mango smoothie.
2. Each woman sold either zero or one unit of any single finished product in any hour.
3. Each woman had exactly one unit each of two different raw materials as leftovers.
4. No one had any banana leftover..
