Indian Coast Guard Navik GD Mock Test - 7 - Indian Coast Guard Navik GD/DB MCQ

25 : 25 = 1 : 1

Hence, Option D is correct.

Equation of line in normal form can be written as

First Two Digit Number, which is divided by 7 and give the remainder 3, will be 10.
Last Two Digit Number, which is divided by 7 and give the remainder 3, will be 94.
The common difference between two consecutive numbers will be 7.
This series will be like →10, 17, 21 ,............................ 94.
Here First Number a = 10, Last number t_n = 94, Common Difference d = 7 ;
Using the Formula for Last Number t_n = a + (n - 1) x d;
⇒ a + (n - 1) x d = t_n
Put the value of a , d and t_n in above equation.
⇒ 10 + (n - 1) x 7 = 94
⇒ 10 + 7n - 7 = 94
⇒ 7n + 3 = 94
⇒ 7n = 94 - 3 = 91
⇒ n = 91/7
⇒ n = 13
Using the formula for the sum of Arithmetic Progression.
S_n = n/2 [ First Number + Last Number ] ;
Put the value of n , First Number and Last Number, we will get,
S_n = 13/2 [ 10 + 94 ]
S_n = 104 x 13/2
S_n = 52 x 13
S_n = 676 

I. x² – 4x – 96 = 0
x² – 12x + 8x – 96 = 0
x = 12 and – 8

II. 4y² – 109y + 741 = 0
4y² – 52y – 57y + 741 = 0 

Answer: x < y
Hence, Option D is correct.

40 cows eat 40 bags of husk in 40 days.
∴ 1 cows eat 40 bags of husk in 40 x 40 days.
∴ 1 cows eat 1 bags of husk in 40 x 40 / 40 days.
∴ 1 cows eat 1 bags of husk in 40 days.

According to the question,
The 5th term of an A.P. is 31.

And,
The 25th term is 140 more than the 5th term.

Also,

The required A.P. is as follows,
3, 10, 17, 24, 31.......

Reqd. time = 60 × (1 + 3) = 240 seconds
Hence, Option D is correct.

Using Rule 7,
Part of the cistern filled by pipe Q in 1 minute

Required time = 60 minutes

When B runs 25 m, A runs 45/2 m.
When B runs 1000 m,

∴ B beats A by 100 m.

Let B joined for x months.
Thus their one month equivalent capitals
A = 85000*12
B = 42500*x = 42500x
Therefore, (85000*12)⁄42500x = 3/1
=> x = 8 months (option ‘D’)

Let CP = 3x
SP = 2x

Hence, Option B is correct.

There should be 230 in place of 232.
Hence, Option D is correct. 

Let AB be the tower and C and D be the two positions of the car.
Then, from figure
AB/AC = tan 60 = √3 => AB = √3AC
AB/AD = tan 45 = 1 => AB = AD
AB = AC + CD
CD = AB - AC = √3AC - AC = AC (√3 - 1)
CD = AC (√3 - 1) => 10 min
 AC => ?
AC/(AC(√3 - 1)) x 10 =? = 10/(√3 - 1) = 13.66 = 13 min 20 sec(approx)

Total possible numbers = 4 × 3 × 2 × 1 = 24
Possibility of 5921= 1

∵ Distance covered in 20 min = 5 km
∴ Distance covered in 1 min = 5/20 km
∴ Distance covered in 100 min = (5/20) x 100
= 5 x 5 = 25 km

CD || AB (Given)
Produce RQ to meet AB in S
∠CRS = ∠PSR (at. int. ∠s)
But ∠CRS = 55°
∴ ∠PSR = 55°
Now in QSP
∠QSP + ∠QPS + ∠PQS = 180°
55° + 38° + ∠SQP = 180°
∴ ∠SQP = 180° – 93° = 87°
But angle a and ∠PQS are linear
∠a = 180° – 87°
∠a = 93°

Hence, Option B is correct.

18% of x = 13.50% of y

50% of x = 37.50% of y
Hence, Option D is correct.

Sum of 100 numbers =100×210=21000
Sum of 120 numbers =120×200=24000
Sum of 20 numbers =24000−21000=3000
∴ Average of 20 new numbers =3000/20=150

Hence, Option D is correct.

Haemoglobin consists of iron in its cells, and it turns red when it combines with oxygen. Oxygen binds to the iron component of haemoglobin, forming a complex known as oxyhemoglobin. This complex gives oxygenated blood its bright red color. When oxygen is released from haemoglobin, such as in tissues where oxygen is needed, the color of the blood becomes darker, appearing more bluish-red.

The spleen is a primary organ of the lymphatic system. It acts as a filter for blood, removing old or damaged red blood cells and storing platelets. The spleen also plays a role in immune responses by producing lymphocytes and antibodies.

• The size of the human heart is the same as that clenched fist. 
• The adult human heart weighs between 250 to 350 gm. 
• It makes up about 0.45% of the total weight of the body. 
• Depending on your physical size and sex, your heart may weigh a little more or a little less.

The lacteals are specialized lymphatic capillaries found in the small intestine. Their primary function is to absorb lymph, which contains fats, proteins, and other substances from the digested food. The absorbed lymph is then transported through the lymphatic system.

The correct answer is D: Appendix.

- Tonsils: Part of the lymphatic system; they help trap pathogens.
- Thymus gland: Part of the lymphatic system; crucial for the development of T-cells.
- Peyer's patches: Part of the lymphatic system; located in the small intestine to monitor intestinal bacteria.
- Appendix: Not traditionally considered a primary component of the lymphatic system; it has some immune function but is not a major lymphatic organ.

Lymphoma is an example of a lymphatic disorder. It is a type of cancer that affects the lymphatic system, particularly the lymphocytes. Lymphoma can manifest as Hodgkin's lymphoma or non-Hodgkin's lymphoma, both of which involve abnormal lymphocyte growth.

Dietary fiber does not provide nutrients to our body. Instead, it is a type of carbohydrate that our body cannot digest or absorb. It passes through the digestive system relatively intact, providing bulk and aiding in the movement of waste through the intestines. Although it does not provide nutrients, dietary fiber has several other essential benefits for our health, such as promoting bowel regularity, supporting gut health, and helping to manage cholesterol levels.

Dengue is a viral disease transmitted by the bite of an infected female Aedes mosquito. Symptoms include high fever, severe headache, joint and muscle pain, skin rash, and bleeding tendencies. There is no specific treatment for dengue, and supportive care is provided to manage the symptoms.

Electrolysis can be used for both the purification and deposition of metals. It enables the separation of impurities from metals and the electroplating of metals onto surfaces.

Real gases deviate from ideal behavior when the intermolecular forces and molecular volumes become significant at high temperatures and low pressures.