A journey of 96 km performed by bus, train and car in that order, the distance covered by the three ways in that order, the distance covered by the three ways in that order are in the ratio of 8:1: 3 and charges per kilometer in that order are in the ratio of 8 : 1 : 4. If the bus charges being Rs 48/km, the total cost of journey is
Answer with explanationAnswer: Option C
What ought to be added to each of the four numbers 6, 14, 18, 38 to make them corresponding?
Answer with explanationAnswer: Option A
Let the number to be added be x. Then,
=> (6+x) (38+x)= (14+ x) (18 +x)
=> 228 +44x+x2 = 252+32x+x2
=> x=2 .
∴ the required number is 2.