A man rows a boat at 8 km upstream in 2 hours and 2 km downstream in 40 minutes. How long will he take to reach 7 km in still water?

The speed of swimmer along with the flow of river is 40 km/hr and against the flow of river is 22 km/hr. What would be the speed of swimmer in still water?

For a motorboat that covers a certain distance downstream in 2 hours & returns in 3 hours, what would be its speed in still water if the speed of stream is 6 km/hr?

If the speed of boat in still water is 10 km/hr & the speed of stream is 3 km/hr, the boat rows to a place which is 50 km far & returns through the same path. What would be the average speed of boat during the journey?

There is a road besides a river. Two friends Ram & Shyam started their journey from place P, moved to the garden located at another place Q & then returned to place P. Ram moves by swimming at a speed of 15 km/hr while Shyam sails on a boat at a speed of about 12 km/hr. If the flow of water current is at the speed of 6 km/hr, what will be the average speed of boat sailor?

Consider a boat which moves at the speed of 6 km/hr. If the water runs at the speed of about 4 km/hr, then the boat requires 3 hours to reach a certain place and return. Calculate the distance between that place & boat's initial position.

Suppose that a person rows a boat in still water at the speed of 10 km/hr and the water runs at the speed of 4 km/hr. This person travels a certain distance & then returns. If it takes 4 hrs more for him to travel upstream than that of downstream then what will be the distance?

8, 16, 32, 64, 128, 256, ___, 1024

Find/Pick the odd man out

9, 16, 25, 36, 125, 169, 196, 225

Find the wrong number

9, 12, 17, 20, 25, 28, 34, 36, 41

The question given below has a set of three or four statements. Each set of statements is further divided into three segments. Choose the alternative where the third segment in the statement can be logically deduced using both the preceding two, but not just from one of them.

Statement - I. Some pens are books.

II. All temples are books.

III. Some libraries are temples.

Conclusion - I. Some libraries are pens.

II. Some pens are temples.

III. Some libraries are books.

The question given below has a set of three or four statements. Each set of statements is further divided into three segments. Choose the alternative where the third segment in the statement can be logically deduced using both the preceding two, but not just from one of them.

Statement - I. Some buttons are rivers.

II. Some rivers are shirts.

III. All shirts are people.

Conclusion - I. Some people are rivers.

II. Some people are buttons.

III. Some shirts are buttons.

The process in which a function calls itself directly or indirectly is called?

When any function is called from main(), the memory is allocated to it on the stack.

The data structure used to implement recursive function calls _____________

What will be output for the following code?

#include <stdio.h>

main()

{

int num=5;

int fun(int num);

printf(""%d"",fun(num));

}

int fun(int num)

{

if(num>0)

return(num+fun(num-2));

}

What will be output for the following code?

int main()

{

printf(""Hello"");

main();

return 0;

}

Which of the following is true about recursion?

A. Recursion provides a clean and simple way to write code.

B. The recursive program has less space requirements than iterative program

C. The principle of stack is FIFO

D. All of the above

Which of the following is not an example of recursion?

A. Towers of Hanoi (TOH)

B. DFS

C. Inorder Tree Traversals

D. SFS