Kolkata Police SI Mock Test - 5 - Kolkata Police SI MCQ

Option C is correct. The immediate cause of Shahjahan's rebellion against Jahangir was that Shahjahan refused to go to Qandhar, which had been besieged by the Persians. Shahjahan believed that Jahangir's orders were reckless and that he should not have to risk his life in such a risky campaign. This led to a rift between the two and eventually resulted in Shahjahan's rebellion against Jahangir.

Krishnadevaraya (also Krishna Deva Raya) was the most important king of Vijayanagar Empire. He believed in the principle that a crowned king should always rule with an eye towards dharma.

While the Congress was ready to cooperate with the League for the independence of the Indian Union, the League did not care for the independence of the Union. It was only interesting in a separate nation. Hindu leaders led by Vir Savarkar condemned the CR Plan

The term "scale" in cartography refers to the relationship between distance on the map and distance on the ground. A "small scale" map displays a larger area of land with less detail. For example, a world map is a small scale map because it shows continents and oceans with minimal detail. Conversely, a "large scale" map, like a city map, shows a smaller area with much greater detail.

The correct answer is All of the above.

• Sound is the main means of communication in many animals, including humans. A low sound is pleasant and harmless. A loud, unpleasant, or unwanted sound is called noise.
• Sources of Noise Pollution:
  • ​​Industrialization: Most of the industries use big machines which are capable of producing noise.
  • Poor Urban Planning: In most developing countries, poor urban planning also plays a vital role.
  • Social Events: Noise is at its peak in most social events.
  • Transportation: A large number of vehicles on roads, airplanes, trains produce heavy noise.
  • Construction Activities: Construction activities like mining, construction of bridges, dams, buildings, stations, roads, flyovers take place in almost every part of the world.
  • Fireworks: Firework is a common thing during various fairs, festivals, and cultural ceremonies

Additional Information

Effects of noise pollution: 

• Auditory effects:
  • ​Deafness or impaired hearing: Prolonged exposures to noise lead to gradual deterioration of the internal ear and subsequently hearing loss or deafness.
  • Auditory fatigue: It is defined as a temporary loss of hearing after exposure to sound.
• Nonauditory effects:
  • Irritation and annoyance: Noise, sometimes, leads to emotional disturbances and makes people lose their temper.
  • Work efficiency: It has been observed that noise reduces the efficiency of work.
  • Physiological effects: It includes dilation of the pupils, paling of skin, tensing of voluntary muscles, diminishing of gastric secretions, increase in diastolic blood pressure.

The Earth and Venus do often get called planetary twins because:

• They are very close to being the same mass.
• Both are rocky planets, therefore they have effectively the same density and resulting very close resemblance of physical size.
• They have significant atmospheres surrounded their surfaces.

Antonie Van Leeuwenhoek was a Dutch scientist who is credited with being the first person to observe and describe microorganisms using a microscope. He made his microscopes, which were far more powerful than any that had been made before. Van Leeuwenhoek's discoveries revolutionized our understanding of the microscopic world and laid the foundation for the field of microbiology.

Noise Pollution: The presence of unpleasant sounds around us is called noise pollution. 

• The noise pollution can be caused by sounds of construction works going around, horns, crackers, loudspeakers, or music with a very loud sound. 
• Such kind of sound can cause health issues like lack of sleep, hypertension (high blood pressure), anxiety, and many more health disorders. 
• Issues related to hearing can also occur due to noise pollution. 
• Whereas the pleasant sound such as the music of our choice is pleasant voice. 
• Other sounds present in option High volume of TV, Crackers and desert coolers can cause noise pollution. 
• So, the correct option is Soft and slow music.

Additional Information

• Steps from prevention from noise pollution:-
  • Use of silencing devices in vehicles 
  • Conducting noisy operations away from the residential area. 
  • The use of automobile horns should be minimised
  • Keeping volume of TV/music system low. 
• The loudness of sound is expressed in decibel. 
  • Sound of more than 80 decibels can cause noise pollution and are painful for the ears.

According to the latest report of the United Nations Development Program (UNDP) on human development, India is ranked 134th in the global Human Development Index (HDI). Whereas India, its neighbor China and Sri Lanka are ranked 75th and 78th respectively in the high human development category. India is classified under 'medium human development'. Bhutan is at 125th and Bangladesh at 129th.  

• The partition that was officially announced was that the Bengal province was too large to be administered by a single governor and so it would be partitioned on administrative purpose.

•  

  The real reason behind the partition was political and not administrative. East Bengal was dominated by the Muslims and West Bengal by the Hindus. Partition was yet another part of the divide and rule policy.

• To answer Lord Birkenhead's challenge, an All-Parties Conference met in February 1928 and appointed a sub-committee under Motilal Nehru's chairmanship to draft a constitution. 

• This was the first major attempt by the Indians to draft a constitutional framework for the country. 

• The committee included Tej Bahadur Sapru, Subhash Bose, M.S. Aney, Mangal Singh, Ali Imam, Shuaib Qureshi and G.R. Pradhan members. The report was finalized by August 1928. 

• The Nehru Committee's recommendations were unanimous except in one respect—while the majority favoured the "dominion status" as the basis of the Constitution, a section of it wanted "complete independence" as the basis, with the majority section giving the latter section liberty of action.

After two years of discussion and debate they came out with one of the finest constitutions the world has ever had. This constitution gave to its citizens the most extensive rights available in any country. Together, they decided that in the search for a solution to the problems, nobody should be excluded, no one should be treated as a demon.

• Chautang river originates from the foothills of Shivalik in Himachal Pradesh.
• It serves as the seasonal river in Haryana.
• According to vedic age it was termed as Drishadvati river where Indus-Sarasvati civilization grew.

Ayushman Bharat is a health insurance scheme aimed at providing comprehensive health coverage to Indian citizens.

Jyothi Yarraji secured the gold medal in the 60m hurdles event at the Asian Indoor Athletics Championship in Tehran. She achieved this feat with a timing of 8.12 seconds, breaking her national record set in the previous edition of the championship.

From Statement I: From this statement, we get the following inference:

As per the figure, Manas who is facing southwest, turns 135° anticlockwise. Thus, he will be facing East.

It is given that he would face the same direction as Tanya. Hence, Tanya will also be facing East.

Clearly, Statement I alone is sufficient to answer the question.

From Statement II: From this statement, we get the following inference:

As per the figure, Dinesh who is facing northeast, turns 90° clockwise. Thus, he will be facing southeast. Also, southeast is 180° to the direction of Tanya. Hence, Tanya will be facing northwest.

Clearly, Statement II alone is sufficient to answer the question.

Therefore, the question can be answered using both statement I alone or statement II alone.

Hence, option C is the correct answer.

From the common explanation, we get Sona sits opposite Bobby.

Hence, Option E is correct.

Final Arrangement:

Common Explanation:

References:

Eight students Kirti, Ayushi, Manu, Sona, Aarti, Bobby, Ankita and Divya are sitting around the square table.

Four students sit on each side while rest on each corner.

Students at the side face away from the centre and students at the corner faces towards the centre.

Inferences:

So, we need to arrange as follows to accommodate the information as stated in the question,

References:

Divya sits third to the left of Ayushi.

Kirti sits opposite to Manu and both faces away from the centre.

Inferences:

From the above references, we get the following two different cases:

Case 1:

Case 2:

References:

Neither Kirti nor Manu are beside Ayushi.

Sona sits immediate left of Ankita, who sits on the side of the table.

Bobby is not an immediate right of Ayushi.

Bobby is not adjacent to Manu.

Inferences:

So, from this case 2 will be eliminated as neither Kirti nor Manu are beside Ayushi.

Now, from case 1 we get the following final arrangements:

The pattern followed is:

Top right number = multiplication of top left number and bottom number 

In fig 1:

729 = 81 × 9

729 = 729

In fig 2:

512 = 64 × 8

512 = 512

Similarly,

In fig 3:

? = 49 × 7

? = 343 

Hence, the correct answer is "343".

Through O, draw a line l parallel to both AB and CD. Then
∠1 = 45° (alt. ∠S)
and ∠2 = 30° (alt. ∠S)
∴ ∠BOC = ∠1 + ∠2 = 45° + 30° = 75°
So, X = 360° – ∠BOC = 360° – 75° = 285°
Hence X = 285°.

Hence, Option C is correct.

Let 3889 + 12.952 - x = 3854.002.

Then x = (3889 + 12.952) - 3854.002

= 3901.952 - 3854.002

= 47.95.

The starting four multiples of 2 is 2, 4, 6, 8
a=2 and d=2
n=4
S(n) = (n / 2) x [2a + (n - 1) x d]
S(4) = (4 / 2) x [2 x (2) + (4 - 1) x 2]
= (2) x [4 + 6]
= (2) x [10]
= 20

Sundays → 2nd, 9th, 16th, 23rd and 30th (5 Sundays)

Hence, Option C is correct.

HCF = 13
Let the numbers be 13x and 13y.
Where x and y are co-prime.
∴ LCM = 13 xy
∴ 13 xy = 455

∴ Numbers are 13 × 5 = 65 and 13 × 7 = 91

Let the average age of all the 17 persons = X years
Age of 17th persons = X + 8 years 
16 × 60.50 + X + 8 = 17 × X
976 = 16X 
X = 61 
So the answer = 61 + 8 = 69 years
Hence, Option D is correct.