# A boat goes 20 km downstream in one hour and the same distance upstream in two hours. The speed of the boat in still water is

1.  15 km/hr.

2.  10 km/hr.

3.  5 km/hr.

4.  7.5 km/hr.

4

15 km/hr.

Explanation :
No Explanation available for this question

# A book seller sells a book at a profit of 10%. If he had bought it at 4% less and sold it for Rs.6 more, he would have gained 18 3/4The cost price of the book is

1.  Rs. 130

2.  Rs. 140

3.  Rs. 150

4.  Rs. 160

4

Rs. 150

Explanation :
No Explanation available for this question

# A boat takes 4 hours for travelling downstream from point A to point B and coming back to point A upstream. If the velocity of the stream is 2 kmph and the speed of the boat in still water is 4 kmph, what is the distance between A and B

1.  8 km

2.  9 km

3.  4 km

4.  6 km

4

9 km

Explanation :
No Explanation available for this question

# In a 100m race, Kamal defeats Bimal by 5 seconds. If the speed of Kamal is 18 Kmph, then the speed of Bimal is

1.  15.4 kmph

2.  14.5 kmph

3.  14.4 kmph

4.  14- kmph

4

14.4 kmph

Explanation :
No Explanation available for this question

# If tan A = √2 -1then sin A. cos A is equal to:

1.  1

2.  1/2

3.  1/√2

4.  √2/4

4

√2/4

Explanation :
No Explanation available for this question

# In a race of 200 metres, B can give a start of 10 metres to A, and C can give a start of 20 metres to B. The start that C can give to A, in the same race, is

1.  30 metre

2.  25 metre

3.  29 metre

4.  27 metre

4

29 metre

Explanation :
No Explanation available for this question

# A man sells his typewriter at 5% loss. If he sells it for Rs. 80 more, he will gain 5%. The cost price of the typewriter is

1.  Rs. 1,600

2.  Rs. 1,200

3.  Rs. 1,000

4.  Rs. 800

4

Rs. 800

Explanation :
No Explanation available for this question

# In a kilometre race, A beats B by 30 seconds and B beats C by 15 seconds. If A beats C by 180 metres, the time taken by a to run 1 kilometre is

1.  250 seconds

2.  205 seconds

3.  200 seconds

4.   210 seconds

4

210 seconds

Explanation :
No Explanation available for this question

# the value of (0.63+0.37) is

1.  1

2.  100/99

3.  99/100

4.  100/33

4

100/99

Explanation :
No Explanation available for this question

1.  250 seconds

2.  205 seconds

3.  200 seconds

4.   210 seconds

4