Explanation

Present perfect tense = have/has + past participle

"You" takes "have", and "made" is the past participle of "make"

So, the correct sentence is: You have made beautiful painting.

Explanation

Columns in MS Excel are numbered Alphabetically (A, B, C, etc.).

Rows in MS Excel are numbered Numerically (1, 2, 3, etc.).

Explanation

In older versions of Excel (up to 2003), a worksheet contains 256 columns.

Newer versions have expanded this limit to 16,384 columns.

A single worksheet in Excel contains 65,536 rows.

Explanation

Since fluorine is more electronegative, its oxidation state is -1.

The molecule OF2 has zero overall charge:

O + 2F = 0

x + 2(-1) = 0

x - 2 = 0

x = +2

Explanation

- Start  

- Go 15 km North

- Turn West, go 10 km

- Turn South, go 5 km

- Turn East, go 10 km

Now check:

- North 15 km, then South 5 km → Net 10 km North

- West 10 km, then East 10 km → Net 0 km

So, final position is 10 km North of the starting point, and you're facing East (last direction moved).

Explanation

Let the son's present age = x  

Then father's age when son was born = x  

So current father's age = x + x = 2x  

Given father's age now = 36  

⇒ 2x = 36 → x = 18 (son's current age)  

5 years ago: 18 – 5 = 13

Explanation

If a person is at the same position from both ends:  

Total number of persons = (Position from one end) + (Position from other end) – 1  

= 19 + 19 – 1 = 37  

Explanation

Let Amir's age = A  

Then, Nadeem's age = A - 4  

Saleem's age = (1/4) × A

Danish is younger than Saleem by 4 years:  

→ Danish = Saleem - 4  

→ 8 = (1/4)A - 4  

→ (1/4)A = 12  

→ A = 48

So:  

- Nadeem = A - 4 = 48 - 4 = 44  

- Saleem = (1/4)A = 48 × (1/4) = 12

Now, how many times is Nadeem's age to Saleem's age?  

→ 44 ÷ 12 = 11/3

Explanation

Let Benish's present age be x.

Given:  

Ayesha is 24 years old.  

She is twice as old as Benish:  

→ 24 = 2 × x  

→ x = 12

So, Benish is 12 years old now.

Now, "When Ayesha was as old as Benish" (i.e., 12 years old),  

The age gap = 24 - 12 = 12 years

Explanation

In computer terminology, especially in databases or object-oriented programming,

An "attribute" refers to a property or characteristic of an object, entity, or record.

- Properties: Another word for attributes (correct).

- Records: A complete set of fields (not the same as an attribute).

- Fields: These store data in a table, and each field is usually tied to one attribute — close, but not the synonym.

- Table: Collection of rows and columns — not the same as attributes.