Staff Selection Commission Combined Higher Secondary Level Exam
Question : Arrange the dynasties of the Delhi Sultanate given below in chronological order:
a. Khalji b.Tughlaq
c. Sayyid d. Slave
Option 1: d, a, c, b
Option 2: a, d, b, c
Option 3: a, b, c, d
Option 4: d, a, b, c
Correct Answer: d, a, b, c
Solution : The correct option is d, a, b, c.
The Slave Dynasty(1206–1291): Qutbuddin Aibak, a Turkish slave who served the Ghurid dynasty, formed the slave dynasty. His son-in-law, Iltutmish, succeeded him, consolidating the Sultanate's rule and expanding its
Question : Directions: In a certain code language, stars moon sun satellite planet is written as pit rit kit sit nit, moon mars venus mercury is written as mit cit git sit, venus stars mercury is written as cit git rit and mercury satellite planet is written as pit cit nit. How is sun coded in that language?
Option 1: kit
Option 2: rit
Option 3: nit
Option 4: pit
Correct Answer: kit
Solution : Given: 1. stars moon sun satellite planet ⇒ pit rit kit sit nit, 2. moon mars venus mercury ⇒ mit cit git sit 3. venus stars mercury ⇒ cit git rit 4. mercury satellite planet ⇒ pit cit nit
By comparing all the four coded
Question : Directions: In the following question, a series is given with one term missing. Choose the correct alternative from the given ones that will complete the series. 16, 30, ?, 79, 114
Option 1: 45
Option 2: 49
Option 3: 63
Option 4: 51
Correct Answer: 51
Solution : Given: 16, 30, ?, 79, 114
Add the consecutive multiples of 7 in the previous term to obtain the next term of the series. 16 + (7 × 2) = 16 + 14 = 30 30 + (7 × 3) = 30 + 21 =
Question : Directions: In the following question, out of the four alternatives, select the alternative that will improve the bracketed part of the sentence. In case no improvement is needed, select "No Improvement".
Venezuelans (were being) deprived of food and medicines for the past year.
(1) were
(2) are
(3) have been
(4) No Improvement
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (3)
Solution : The correct choice is the third option.
Explanation: The use of the present perfect tense "have been" is appropriate when describing an action that started in the past and continues into the present, as per passive structure.
Therefore, the correct sentence is: "Venezuelans have
Question : Let $\text{AX}\perp \text{BC}$ of an equilateral triangle $\text{ABC}$. Then the sum of the perpendicular distances of the sides of $\triangle \text{ABC}$ from any point inside the triangle is:
Option 1: Equal to $BC$
Option 2: Equal to $AX$
Option 3: Less than $AX$
Option 4: Greater than $AX$
Correct Answer: Equal to $AX$
Solution : Given: $\text{AX}\perp \text{BC}$ of an equilateral triangle $\text{ABC}$. Let $\text{O}$ be a point inside the triangle. Such that $\text{OD} \perp \text{BC}$, $\text{OE} \perp \text{AC}$ and $\text{OF} \perp \text{AB}$. Since $\text{ABC}$ is an equilateral triangle. Such that $\text{AB = BC = CA}$. Area of
Question : Which of the following is the correct-rationalised form of $\frac{15}{\sqrt5+2}$?
Option 1: $5\sqrt5-6$
Option 2: $5\sqrt5-30$
Option 3: $15\sqrt5-30$
Option 4: $45\sqrt5-30$
Correct Answer: $15\sqrt5-30$
Solution : Given: $\frac{15}{\sqrt{5}+2}$ Now rationalising with $\sqrt{5}-2$, we get, $\frac{15}{\sqrt{5}+2}\times\frac{\sqrt{5}-2}{\sqrt{5}-2}$ $= \frac{15(\sqrt{5}-2)}{(\sqrt{5})^{2}-2^{2}}$ $= \frac{15(\sqrt{5}-2)}{5-4}$ $= \frac{15(\sqrt{5}-2)}{1}$ $= 15\sqrt{5}-30$ Hence, the correct answer is $15\sqrt{5}-30$.
Question : There is a 40% increase in an amount in 8 years at Simple Interest. What will be the Compound Interest (in Rs.) of Rs. 30000 after 2 years at the same rate?
Option 1: 6150
Option 2: 7687.50
Option 3: 4612.50
Option 4: 3075
Correct Answer: 3075
Solution : Given: There is a 40% increase in an amount in 8 years at simple interest (SI). Now, let Principal = Rs.$p$, Rate of interest = $r$% and $t$ = time period. So, SI = $\frac{p×r×t}{100}$ ⇒ 40% × $p$ = $\frac{p×r×8}{100}$ ⇒ $r$ = 5%
Question : If $x^2-4 x-1=0$, then find the value of $x^2+\frac{1}{x^2}-5$.
Option 1: 17
Option 2: 12
Option 3: 15
Option 4: 13
Correct Answer: 13
Solution : $x^2-4 x-1=0$ $x-\frac{1}{x} = 4$ Squaring on both sides, $ x^{2} + \frac{1}{x^{2}} - 2×x×\frac{1}{x} = 16$ $ x^{2} + \frac{1}{x^{2}} = 16+2 = 18$ -----------(i) Now, $x^2+\frac{1}{x^2}-5$ = 18 – 5 = 13 Hence, the correct answer is 13.
Question : Choose the word that is opposite in meaning to the given word.
Chastise
Option 1: Mulct
Option 2: Keelhaul
Option 3: Berate
Option 4: Extol
Correct Answer: Extol
Solution : The correct choice is the fourth option.
Chastise means to scold or reprimand, while extol means to praise or commend highly. The antonymy lies in its contrasting actions—chastising involves criticism or disapproval, whereas extolling involves praising or speaking highly of someone or something.
The meanings
Question : The table shows year-wise road accidents registered in a city during 2015 - 2018.
What is the percentage reduction in serious from the year 2016 to 2017?
Option 1: 35%
Option 2: 20%
Option 3: 25%
Option 4: 40%
Correct Answer: 40%
Solution : Serious road accidents registered in a city in 2016 = 50 Serious road accidents registered in a city in 2017 = 30 Reduction in accidents = 50 – 30 = 20 Percentage reduction = $\frac{20}{50}×100$ = 40% Hence, the correct answer is 40%.
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