Explanation

From FEED → 4339, we assign:

- F = 4  

- E = 3  

- D = 9  

Now for DEEF:

- D = 9  

- E = 3  

- E = 3  

- F = 4  

So, DEEF → 9334

Explanation

√10 × √490

= √(10 × 490)

= √4900

= 70

Explanation

There are 11 such English alphabet appears same when looked in a mirror: A, H, I, M, O, T, U, V, W, X, and Y.

Explanation

(1/3) × (1/2) = 1/6 

Explanation

 First, he goes 12 km north

- Then 15 km east

- Then 15 km west → cancels the east movement ⇒ net horizontal displacement = 0 km

- Finally, 18 km south

Net vertical movement = 18 km south - 12 km north = 6 km south  

Explanation

The sequence goes:  

S → P → N → M → ?

Now check the position in the alphabet:  

- S (19)  

- P (16) → -3  

- N (14) → -2  

- M (13) → -1  

- Next: 13 - 1 = 12, which is L

Explanation

Radians = degrees × (π/180); 45 × π/180 = π/4.

Explanation

Convert 37 1/2 = 75/2 = 37.5;

number of 1/8 in 37.5 = 37.5 ÷ (1/8) = 37.5 × 8 = 300.

Explanation

30% means 30/100  

So, (30/100) × 30 = 9

Explanation

Step 1: Identify the days of the week for the first few dates

• 1st = Monday
• 2nd = Tuesday
• 3rd = Wednesday
• 4th = Thursday
• 5th = Friday (1st Friday)

Step 2: Add 7 days for subsequent Fridays

• 2nd Friday = 5th + 7 = 12th
• 3rd Friday = 12th + 7 = 19th

Final Answer: The 3rd Friday is on the 19th of the month.