Explanation

Marked price = Rs 20,000

GST = 12% of 20,000

= 0.12 × 20,000

= Rs 2,400

Total amount = Marked price + GST

= 20,000 + 2,400

= Rs 22,400

Explanation

First, find the difference in weight:

160 - 152 = 8 pounds

Then, divide the difference by the original weight:

8 ÷ 160 = 0.05

Convert the decimal to a percentage:

0.05 × 100% = 5%

So, the athlete's weight decreased by 5%.

Explanation

8.9+2-7*3

8.9+2-21

10.9-21

-10.1

Explanation

Explanation

40 kg rice costs Rs. 3200

60 kg rice costs Rs. 4800

80 kg rice costs Rs. 6400

3200÷40=80 4800÷80=60

***

Explanation

To express 2.08 as a percentage:

2.08 × 100 = 208%

Explanation

Step 1: Convert the percentage to a decimal

30% = 0.3

Step 2: Calculate 30% of 0.333

0.3 × 0.333 = 0.0999

Explanation

Discount = 15% of 80

= 0.15 * 80

= 12

Sale price = Original price - Discount

= 80 - 12

= 68

Explanation

A complete day i.e 24 hours is 100%.

24 hours = 24 × 60 minutes = 1440 mins

4 hours, 30 mins = 270 mins

1440 mins = 100% of the day

270 mins = ?

= 270 × 100 / 1440

= 18.75%

4 hours and 30 minutes is 18.75% of a day.

Explanation

Let's calculate the percentage of girls:

Given ratio: Boys:Girls = 5:3

Total parts = 5 + 3 = 8

Percentage of girls = (3/8) * 100

= 37.5%