Staff Selection Commission Combined Higher Secondary Level Exam
Question : Mir Qasim's name is associated with which of the following battles of India?
Option 1: Battle of Kirkee
Option 2: Battle of Buxar
Option 3: Battle of Plassey
Option 4: Battle of Lahore
Correct Answer: Battle of Buxar
Solution : The correct option is the Battle of Buxar.
The battle of Buxar was fought between the British East India Company and the combined forces of the Mughal Empire, the Nawab of Oudh, and the Nawab of Bengal. The British East India Company,
Question : The chemical formula of acetic acid is
Option 1: CH3COH
Option 2: CH3COOH
Option 3: CH3COCH3
Option 4: CH2COOH
Correct Answer: CH3COOH
Solution : The correct answer is CH3COOH.
Acetic acid is also known as vinegar. Chemically, it is known as ethanoic acid and has a chemical formula of CH3COOH. It is a carboxylic acid, having two carbon atoms. It is used
Question : Directions: If 6th November 1925 is Friday, then what will be the day of the week on 16th December 1933?
Option 1: Monday
Option 2: Friday
Option 3: Thursday
Option 4: Saturday
Correct Answer: Saturday
Solution : Given: 6th November 1925 is Friday.
First, calculate the total number of days left in the year 1925→Nov = 30 – 6 = 24; Dec = 31→24 + 31 = 55 Now, calculate the total number of days between 1926 and 1932→(7 × 365) +
Question : When an iron nail is dipped into a coloured copper sulphate solution, its colour changes to_____.
Option 1: green, blue
Option 2: blue, green
Option 3: blue, yellow
Option 4: yellow, blue
Correct Answer: blue, green
Solution : The correct option is blue, green.
When an iron nail is dipped into a coloured copper sulphate (copper (II) sulphate) solution, the colour change observed is typically from blue to green. This is because the iron in the nail reacts with the copper
Question : Select the word that is opposite in meaning (ANTONYM) to the word given below.
Fret
Option 1: Anxious
Option 2: Anguish
Option 3: Relax
Option 4: Pine
Correct Answer: Relax
Solution : The correct choice is the third option.
Explanation:
Fret typically refers to feeling anxious, distressed, or worried. The opposite of this emotional state is to be relaxed, indicating a lack of stress or anxiety. Therefore, relax is the antonym that best conveys the opposite
Question : Directions: Identify the diagram that best represents the relationship among the classes given below. Universe, Stars, and Sun.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : Based on the general information, the sun is a star. So, the circle of the sun will be inside the circle of the star. Also, the sun and stars exist in the universe. So, the circles of the sun and stars will lie inside the circle
Question : Directions: A word is represented by only one set of numbers, as given in any of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets, as in the two matrices given below. The columns and rows of Matrix (I) are numbered from 0 to 4, and those of Matrix (II) are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column, e.g. L can be represented by 21, 33, etc and Z can be represented by 56, 98, etc. Similarly, you have to identify the set for the word TOMB.
Option 1: 77, 69, 43, 22
Option 2: 11, 88, 34, 55
Option 3: 42, 66,12, 58
Option 4: 30, 65, 24, 65
Correct Answer: 77, 69, 43, 22
Solution : Given: TOMB
Number representations of each letter – T→77, 86 O→59, 69 M→43 B→22
First option: 77, 69, 43, 22; All the letters of the word TOMB can be represented through this option. Second option: 11, 88, 34, 55; T, O, M,
Question : If $\sin A-\cos A=\frac{\sqrt{3}-1}{2}$, then the value of $\sin A\cdot \cos A$ is:
Option 1: $\frac{\sqrt{3}}{2}$
Option 2: $\frac{3}{2}$
Option 3: $\frac{\sqrt{3}}{4}$
Option 4: $\frac{1}{\sqrt{3}}$
Correct Answer: $\frac{\sqrt{3}}{4}$
Solution : Given that, $\sin A-\cos A=\frac{\sqrt3-1}{2}$ Squaring both sides, we get $\sin^2 A+\cos^2 A-2\sin A \cos A=\frac{1+3-2\sqrt3}{4}$ ⇒ $1-2\sin A \cos A=\frac{2-\sqrt3}{2}$ ⇒ $2\sin A\cos A=\frac{2-2+\sqrt3}{2}$ ⇒ $\sin A \cos A = \frac{\sqrt3}{4}$ Hence, the correct answer is $\frac{\sqrt3}{4}$.
Question : Directions: What will come in the place of (?) in the following equation, if + and – are interchanged and × and ÷ are interchanged? 9 ÷ 576 × 24 + 109 – 7 = ?
Option 1: 114
Option 2: 214
Option 3: 318
Option 4: 218
Correct Answer: 114
Solution : Given: 9 ÷ 576 × 24 + 109 – 7 = ?
After interchanging + with –, and × with ÷, the equation will be as follows – = 9 × 576 ÷ 24 – 109 + 7 = 9 × 24 – 109 +
Question : Select the most appropriate synonym of the underlined word in the given sentence.
The ruins of this building tell us the story of a defunct organisation.
Option 1: obsolete
Option 2: ancient
Option 3: contemporary
Option 4: prominent
Correct Answer: obsolete
Solution : The correct choice is the first option: obsolete.
Defunct refers to something that is no longer in existence, operation, or use.
Obsolete refers to something outdated and no longer in use due to advancements or changes in technology, practice, or understanding, and is the
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