Maths MCQs & Aptitude MCQs

Which of the following logarithm statements is not correct?

1. A Option A: log10 10 = 1
2. B Option B: log (2 + 3) = log (2 × 3)
3. C Option C: log10 1 = 0
4. D Option D: log (1 + 2 + 3) = log 1 + log 2 + log 3

The angle of elevation of the sun, when the length of the shadow of a tree 3 times the height of the tree, is:

1. A Option A: 30°
2. B Option B: 45°
3. C Option C: 60°
4. D Option D: 90°

From a point P on a level ground, the angle of elevation of the top tower is 30°. If the tower is 100 m high, the distance of point P from the foot of the tower is:

1. A Option A: 149 m
2. B Option B: 156 m
3. C Option C: 173 m
4. D Option D: 200 m

An observer 1.6 m tall is 203 away from a tower. The angle of elevation from his eye to the top of the tower is 30°. The heights of the tower is:

1. A Option A: 21.6 m
2. B Option B: 23.2 m
3. C Option C: 24.72 m
4. D Option D: None of these

The angle of elevation of a ladder leaning against a wall is 60° and the foot of the ladder is 4.6 m away from the wall. The length of the ladder is:

1. A Option A: 2.3 m
2. B Option B: 4.6 m
3. C Option C: 7.8 m
4. D Option D: 9.2 m

A man standing at a point P is watching the top of a tower, which makes an angle of elevation of 30° with the man’s eye. The man walks some distance towards the tower to watch its top and the angle of the elevation becomes 60°. What is the distance between the base of the tower and the point P?

1. A Option A: 43 units
2. B Option B: 8 units
3. C Option C: 12 units
4. D Option D: Data inadequate
5. E Option E: None of these

Two ships are sailing in the sea on the two sides of a lighthouse. The angle of elevation of the top of the lighthouse is observed from the ships are 30° and 45° respectively. If the lighthouse is 100 m high, the distance between the two ships is:

1. A Option A: 173 m
2. B Option B: 200 m
3. C Option C: 273 m
4. D Option D: 300 m

3.87 – 2.59 =?

1. A Option A: 1.20
2. B Option B: 1.2
3. C Option C: 1.27
4. D Option D: 1.28

4.036 divided by 0.04 gives:

1. A Option A: 1.009
2. B Option B: 10.09
3. C Option C: 100.9
4. D Option D: None of these

0.0203 x 2.92/0.0073 x 14.5 x 0.7 =?

1. A Option A: 0.8
2. B Option B: 1.45
3. C Option C: 2.40
4. D Option D: 3.25

The fraction 101/27 in decimal for is: 

1. A Option A: .01027
2. B Option B: .10127
3. C Option C: 101.00027
4. D Option D: 101.000027

The correct expression of 6.46 in the fractional form is:

1. A Option A: 646/99
2. B Option B: 64640/1000
3. C Option C: 640/100
4. D Option D: 640/99

How many digits will be there to the right of the decimal point in the product of 95.75 and .02554?

1. A Option A: 5
2. B Option B: 6
3. C Option C: 7
4. D Option D: None of these

5 x 1.6 – 2 x 1.4 =?

1.3

1. A Option A: 0.4
2. B Option B: 1.2
3. C Option C: 1.4
4. D Option D: 4

The least among the following is:

1. A Option A: 0.2
2. B Option B: 1 / 0.2
3. C Option C: 0.2
4. D Option D: (0.2)2

Which of the following is equal to 3.14 x 106?

1. A Option A: 314
2. B Option B: 3140
3. C Option C: 3140000
4. D Option D: None of these

34.95 + 240.016 + 23.98 =?

1. A Option A: 298.0946
2. B Option B: 298.111
3. C Option C: 298.946
4. D Option D: 299.09

0.002 x 0.5 =?

1. A Option A: 0.0001
2. B Option B: 0.001
3. C Option C: 0.01
4. D Option D: 0.1

The value of 489.1375 x 0.0483 x 1.956/0.0873 x 92.581 x 99.749 is closest to:

1. A Option A: 0.006
2. B Option B: 0.06
3. C Option C: 0.6
4. D Option D: 6

617 + 6.017 + 0.617 + 6.0017 =?

1. A Option A: 6.2963
2. B Option B: 62.965
3. C Option C: 629.6357
4. D Option D: None of these