10/40  = 1/4
20/50 = 2/5
30/60 = 1/2

1/4×20 = 5
2/5 ×20 = 8
1/2 × 20 = 10

10 + 8 + 5 = 23

60 × 23/20 = 69minit

122 = p × 5² ×  305/100³
P => 8000

15000 × (28/25 × 78/75) - 15000 = 2472

Plz Solve and explain it

(54 - 6) × 5/18 × 12 = 160m

160 + x/20 = 54

20 × 54 × 5/18 = 300

300 - 160 = 140

(X - 3) + ( x + 3) + ( 3x ) + (x/3) = 80

5x + x/3 = 80

16x  = 240
X = 15

15 × 3 = 45
15/3 = 5

1002/2 = 501

501-1 = 500
500  × 6 = 3000m
=> 3km

10.      15
     30
3.        2

5 ×3 = 15

30 + 15 = 45

45/3 +2 = 9days

1₹.                5₹
       350/110
20.    :     24
     5 : 6

11 = 110
6  => 60

480/(16-1) = 32

32 × (9 -5) = 128

40 × 2½ = 100km
2½ + 30minit = 3 hr

100 + 80 = 180

3 + 1 = 4

180/4 => 45