19. A certain quantity of Basmati rice is divided into two parts in the ratio 4 : 7. If the second part of rice is 98 kg, findi
(i) the weight of the first part of rice
(ii) the total quantity of rice
20.If the bus fare in a certain route for 38 km is * 494, what will be the fare for 12 km?
Answer:
19) (i) 4:7 = x:98
now do product of extreams = product of means
7 × x = 98 × 4
7x = 392
x= 392 / 7
x = 56
therefore, first part is 56.
(ii) first part = 98
second part = 56
total = 98 +56
= 154
20) 38 : 494 = 12 : x
now do product of extremes = product of means
38x = 494 x 12
38x = 5928
x = 5928/38
x = 156
therefore, the fare route of 12 km = 156
Step-by-step explanation:
hope this answers will help you…