Explanation

To convert 3 4/5 to a decimal:

3 + 4/5 = 3 + 0.8 = 3.8

Explanation

Admit means کسی کو سچ ہونے کے لئے تسلیم کرنا یا اس کا اعتراف کرنا

Confess means کسی کو سچ ہونے کے لئے تسلیم کرنا یا اس کا اعتراف کرنا

Explanation

A concave lens causes light rays to diverge or spread apart after passing through it.

That's why it’s also called a diverging lens.

Explanation

The chemical formula of quick lime (commonly referred to as lime) is Calcium Oxide (CaO).

It is used in construction, steelmaking, and as a chemical reagent.

Explanation

In the number 458.21:

The 8 is in the tens place (second digit from the right before the decimal).

Place values from left to right:

4 = hundreds, 5 = ones, 8 = tens

So, 8 represents 80, which is 8 tens.

Explanation

Let's denote the original price as x.

Given:

Discount = 30%

Sale price = Rs. 140

Formula:

Sale price = Original price - Discount

Sale price = x - (30% of x)

140 = x - 0.3x

140 = 0.7x

x = 140 / 0.7

x = 200

Explanation

Let's denote the cost of an apple as A and the cost of a mango as M.

Given equations:

2A + 3M = 86 ... (1)

4A + M = 112 ... (2)

Multiply equation (2) by 3:

12A + 3M = 336 ... (3)

Subtract equation (1) from equation (3):

(12A - 2A) + (3M - 3M) = 336 - 86

10A = 250

A = 250 / 10

A = 25

Explanation

To find the total number of handshakes, we use the combination formula since each member shakes hands with every other member exactly once before and after the meeting.

Number of members = 12

Handshakes before the meeting = 12C2 = (12 × 11) / 2 = 66

Handshakes after the meeting = 66

Total handshakes = 66 + 66 = 132

Explanation

To find the original price of the shirt, let's denote the original price as x. Since the price increased by 20%, the new price is 120% of the original price, or 1.2x.

Given that the new price is Rs. 480, we can set up the equation:

1.2x = 480

To solve for x, divide both sides by 1.2:

x = 480 / 1.2

x = 400

So, the original price of the shirt is 400.

Explanation

Apple is not a citrus fruit; it belongs to the Rosaceae family.

Citrus fruits like grapefruit and lemon belong to the Rutaceae family.

They are rich in vitamin C.