Explanation

All numbers except 730 are multiples of 200 plus 140.

The pattern is 140, 340, 540, 740, 940, and so on

However, 730 does not fit this pattern.

Explanation

To find the decimal value of the fraction  1 /62.5

Step 1: Convert the fraction to a decimal.

1/ 62.5 = 0.016

Explanation

20% discount on 28,800 is calculated as:

Discount = 28,800 * 20/100 = 5,760

Price after discount = 28,800 - 5,760 = 23,040

Explanation

7*70 = 490 kg - total weight of 7 people

80 - 60 = 20 kg less

(490 -20)/7 ≈ 67.14 kg - new average weight ANSWER

Explanation

Let the first number be = 6xSecond number = 3xand the third number = 2xAccording to the question 6x + 3x + 2x = 154 × 3or 11x = 154 × 3Required difference = 6x – 2x = 4x = 4 × 42 = 168

Explanation

Explanation

Explanation

Explanation

To calculate speed in km/h:

1. Convert the time to hours:
   $20\text{ minutes}=\frac{20}{60}\text{ hours}=\frac{1}{3}\text{ hours}$

2. Use the formula for speed:
   $text{Speed} = frac{text{Distance}}{text{Time}} = frac{16}{frac{1}{3}} = 16 times 3 = 48 , text{km/h}$
   

So, the speed of the train is 48 km/h.

Explanation

The sum of the ratio parts is 4 + 6 = 10.