Question
A boat travels upstream at a speed of 10 km/h and
downstream at 15 km/h. If the boat travels 30 km upstream and then returns, how much time does it take for the entire trip?Solution
Time upstream = Distance / Speed = 30 / 10 = 3 hours. Time downstream = Distance / Speed = 30 / 15 = 2 hours. Total time for the trip = 3 + 2 = 5 hours. Correct answer: B) 5 hours
Find the median of 2, 4, 6, 6, 7, 9, 14, 12 and 13.
If the numerator of a fraction is increased by 300% and the denominator is increase by 600%.The resultant fraction is 1/2. What was the original fraction?
- The coefficient of 'x 2 ' and 'x' in the expression (Ax + 5) (3 - 2x) are same, where 'A' is a positive integer. (A + 10) is how much percent of...
22Â Â Â Â Â Â Â Â Â Â 44Â Â Â Â Â Â Â Â Â Â 176Â Â Â Â Â Â Â Â 1078Â Â Â Â Â Â 8448
...Choose the number which is different from the group.
- A number exceeds its square root by 30. What is the number?
Find the range of the given data:
25, 43, 67, 91, 38, 57, 12, 74, 29
Find the number of factors in 1750.
What should come in place of question mark (?) in the following questions? Find the exact value.
₹ 1,350 is divided among Nitin, Tushar, and Gitanjali. The share of Gitanjali is 5/4 of the sum of the shares of Nitin and Tushar. What is the share o...
