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Those who want to take the CDS exam in 2024 need to start planning their study. Candidates must allot the same amount of time to each of the exam's topics. Completing the CDS syllabus 2024 on time is also beneficial. The study plan aids in maintaining goal concentration
Question : Which pioneer scientist used radio waves to transmit signals over distances of several kilometres in the 1890s?
Option 1: Michael Faraday
Option 2: Paul Langevin
Option 3: Guglielmo Marconi
Option 4: Pierre Weiss
Correct Answer: Guglielmo Marconi
Solution : The correct option is Guglielmo Marconi.
Guglielmo Marconi was a trailblazing scientist who, in the 1890s, used radio waves to send signals across several kilometres. Marconi, an Italian inventor and electrical engineer, is credited with being one of the key figures in the development
Question : According to the 2011 Census, which Indian state has the highest sex ratio?
Option 1: Tamil Nadu
Option 2: Manipur
Option 3: Kerala
Option 4: Meghalaya
Correct Answer: Kerala
Solution : The correct answer is Kerala.
Kerala state has the highest literacy rate in India, according to the 2011 Census. The literacy rate for men is 96.1%, while the rate for women is 92.1%. The lowest literacy percentage is seen in Bihar (71.2% for men
Question : Directions: In the following question, you have to identify the correct response from the given premises stated according to the following symbols: If – stands for +; + stands for × and × stands for –; then which one of the following equations is not correct?
Option 1: 22 + 7 – 3 × 9 = 148
Option 2: 33 × 5 – 10 + 20 = 228
Option 3: 7 + 28 – 3 × 52 = 127
Option 4: 44 – 9 + 6 × 11 = 87
Correct Answer: 7 + 28 – 3 × 52 = 127
Solution : Given: – stands for +; + stands for × and × stands for –.
Let's check the options – First option: 22 + 7 – 3 × 9 = 148 On replacing ⇒ 22 × 7 +
Question : Two concentric circles are drawn with radii of 20 cm and 16 cm. What will be the length of a chord of the larger circle which is tangent to the smaller circle?
Option 1: 34 cm
Option 2: 24 cm
Option 3: 48 cm
Option 4: 12 cm
Correct Answer: 24 cm
Solution :
As BOC is a right-angled triangle at C, Applying Pythagoras theorem, ⇒ $(BO)^2 = (CO)^2 + (BC)^2$ ⇒ $(20)^2 = (16)^2 + (BC)^2$ ⇒ $400 = 256 + BC^2$ ⇒ $BC = \sqrt{\text{400 – 256}}$ ⇒ $BC = \sqrt{144}$ ⇒ $BC = 12$ $\therefore
Question : Directions: Select the correct mirror image of the given figure when the mirror is placed at line AB as shown.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : As per the mirror image properties, closer things appear close to the mirror in the reflection. Here, according to the information provided, the mirror is placed on the right side of the figure (on Line AB). So, the left side of the reflected image will appear
Question :
Which one of the following does not secrete any digestive enzyme ?
Liver
Salivary gland
Glands of small intestine
Option 4: Pancreas
Solution : The correct option is Liver.
The liver is the only organ that does not release any digestive enzymes. While the liver is important in digestion because it produces bile, which is stored in the gallbladder and released into the small intestine to help in
Question : Comprehension:
In the following passage, some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each number.
The term Democracy (1)_______ from the Greek (2)_______ dêmos (people) and Kratos (power). In its (3)______ meaning, democracy means the "rule of the people". In fact, it is a form of government in which all eligible people have an (4)_______ say in the decisions that affect their lives. Democracy (5)_______ political systems existed in some Greek city-states, notably Athens following a popular uprising in 508 BC.
Question: Select the most appropriate option to fill in the blank number 3.
Option 1: metaphorical
Option 2: hyperbole
Option 3: figurative
Option 4: literal
Correct Answer: literal
Solution : The correct choice is the fourth option.
Explanation:
In the context of the passage, the meaning of democracy is being discussed, and it is described as the "rule of the people". The term literal means the actual or factual meaning of a word or
Question : Who among the following personalities was known as the "architect of Operation Flood"?
Option 1: Verghese Kurien
Option 2: Tribhuvandas Patel
Option 3: Morarji Desai
Option 4: Vallabhbhai Patel
Correct Answer: Verghese Kurien
Solution : The correct answer is Verghese Kurien.
Initiated in 1970, Operation Flood, led by India's National Dairy Development Board (NDDB) and chaired by Verghese Kurien, founder of Amul, stands as the world's most extensive dairy development effort. Over three decades, it effectively doubled the
Question : ______ is the only active volcano in India.
Option 1: Long Island
Option 2: Rangat Island
Option 3: Barren Island
Option 4: Neil Island
Correct Answer: Barren Island
Solution : The correct option is Barren Island.
The only active volcano in India is Barren Island, which is located in the Andaman Sea. Barren Island is known for its intermittent volcanic activity and is the only confirmed active volcano in the Indian subcontinent.
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