A person rows a boat 10 kms along the stream in 30 minutes and returns to the starting point in 40 minutes. The speed of the stream is:
18 questions found
A person rows a boat 10 kms along the stream in 30 minutes and returns to the starting point in 40 minutes. The speed of the stream is:
A clock is set right at 5 a.m. The clock loses 16 minutes in 24 hours. What will be the correct approximate time when the clock indicates 10 p.m. on 4th day?
The angles of elevation of the top of a tower from two points at a distance of meters and meters along the same straight line from the base of the tower, are complementary. Find the height of the tower.
Two runners, Ajay and Vijay complete a 600 m race in 38 seconds and 48 seconds respectively. By how many meters will Ajay defeat Vijay?
A person can row a boat in still water at the rate of 5 km/hr. It takes him 4 times as long to row upstream of a river as to row downstream to cover same distance in the same river. The speed of flow of the stream is
If 1st July 2022 was Sunday, then what was the day on 1st November 2022?
In a flower bed there are 23 rose plants in the first row, 21 in the second, 19 in the third and so on. There are 5 rose plants in the last row. Then the number of rows in the flower bed is:
P and Q can complete a job in 24 days working together. P can alone complete it in 32 days. Both of them worked together for 8 days and then P left. The number of days Q will take to complete the remaining job is:
The base diameter of a cylinder is cm and the height is cm, then:
(A) Radius of cylinder = cm
(B) Volume = cm
(C) Curved Surface Area = cm
(D) Total surface area = cm
Which of the following is/ are correct?
Choose the correct answer from the options given below:
If , then the value of X, is:
The present age of a father is 4 years more than double the age of his son. After 10 years, the father's age is 30 years more than his son. Then the present age of father is:
Match List-I with List-II
| List-I | List-II |
|---|---|
| (A) | (I) 6 |
| (B) | (II) 21 |
| (C) , then find . | (III) 216 |
| (D) , find . | (IV) 6720 |
Choose the correct answer from the options given below:
Suppose we throw a dice once. Then, which one of the following is/are correct?
(A) The probability of getting a number greater than 4 is 1/3
(B) The probability of getting a number greater than or equal to 4 is 1/3
(C) The probability of getting a number less than or equal to 3 is 1/2
(D) The probability of getting a number less than or equal to 6 is 1
Choose the correct answer from the options given below:
The marks out of 50 obtained by 100 students in a test are given below as:
| Marks obtained | Number of students |
|---|---|
| 20 | 6 |
| 25 | 20 |
| 28 | 24 |
| 29 | 28 |
| 33 | 15 |
| 38 | 4 |
| 42 | 2 |
| 43 | 1 |
Find the value of the (3 mode - 2 median).
The distance between points and is:
Four circles of equal radius are drawn with centers, A, B, C and D such that ABCD is a square of side 14 cm and the circles touch externally as in the figure. The area of the shaded region bounded by the 4 circles is: (Take )
Arrange the simple interest of the following cases in decreasing order-
(A) The simple interest on Rs 6600 at 5% per annum for 2 yrs.
(B) The simple interest on Rs 200 at 6% per annum for 5 yrs.
(C) The simple interest on Rs 840 at 5% per annum for 4 yrs.
(D) The simple interest on Rs 5000 at 12% per annum for 2 yrs.
Choose the correct answer from the options given below:
Ram purchased a watch at a cost of th of the original cost and sold at 8% more than the original cost. His profit/loss is