Question
The speed of current is 30 km/hr. If the speed of the
boat in still water had been 13 km/hr more than the original speed then it would take 7.5 hours to cover 420 km in downstream. Find the original speed of the boat in still water (in km/h).Solution
Let the speed of the boat in still water be ‘x’ km/hr According to the question, (x + 13 + 30) = 420/7.5 Or, x = 56 – 43 = 13
How is M related to J?
How is M related to P’s mother?
- Ankita is sister of the son of Gautam. Deepak’s wife is mother of Suravi. Lata is grandmother of Suravi. There are two married couple in the family. How ...
How is P related to mother of S?
In a family of eight persons with three couples, Q is the son of R and brother of S. T is the daughter in law of U and is married to S. W is the mother...
Bedi, Dinesh, Fana, Hema, Gita, Ojas, Tejas, and Wisha are eight family members. Bedi is the brother of Gita. Tejas is the son of Wisha. Ojas is the son...
Answer the questions based on the information given below.
There are seven members S, T, U, V, W, Y and Z, in a family of three generation. V i...
A man said to a lady, “Your mother’s husband’s sister is my aunt.” How is the lady related to the man?
How is A related to V?
How is C related to D?
Relevant for Exams:
