## OTS Mathematics Mcqs Online Test 5 Preparation Question Answers Start Below

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```Speed of water in certain river is 6 km/h and it takes as boat four times as long to row up as to row down the river. Find the speed of the boat in still water?

. 10 km/h .

8 km/h .

6 km/h .

5 km/h

### Correct!

### Wrong!

Akbar can swim at the speed of 20 km/h in still water and speed of water is 3 km/h. Find his speed in the direction of water.

.

23 km/h .

17 km/h .

11.5 km/h

8.5 km/h

### Correct!

### Wrong!

A slip travels at the speed of 20 km/h upstream and 24 km/h downstream. Find the speed of boat in still water.

4 km/h

2 km/h

44 km/h

22 km/h

### Correct!

### Wrong!

Amanat swimming speed in still water is 14 km/h and speed of water is 4 km/h. How long will it take him to go upstream 50 km?

. 2 .

5 hours

. 3 hours .

3

### Correct!

### Wrong!

A boat travels at the speed of 25 km/h upstream and 35 km/h downstream. Find the speed of water.

. 3 .

1 .

2 km/h .

5 km/h

### Correct!

### Wrong!

Tahir can swim at the speed of 30 km/h in still water and speed of water is 4 km/h. Find his speed of swimming against the direction of water.

.

30 km/h .

26 km/h .

24 km/h .

20 km/h

### Correct!

### Wrong!

ana speed of rowing in still water is 12 km/h and he finds that it takes him twice as long to row up as to row down the river. Find the speed of water in the river.

3 .

3 km/h

1 km/h

. 4 km/h

### Correct!

### Wrong!

7n2 - 7n + 5 - (3n + 7n2) =

.

5 + 10n .

10n - 5

?10n + 5

45 - 10n

### Correct!

### Wrong!

If a = 3 b = -1 c = 2 which is true (I) a+b+c = 4 (II) 3a + 5b = 4 (III) 2c - 5a = 6

I only

II only

I and III .

I and II

### Correct!

### Wrong!

Find the value of the function x3+2+5 at = 2

15

17

18

19

### Correct!

### Wrong!

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