Staff Selection Commission Combined Higher Secondary Level Exam
Question : Directions: The marks obtained by 273 examinees are shown by the frequency polygon. Given that the mean mark is 59.5. Study the frequency polygon and answer the given questions. The number of examinees getting more than average marks is:
Option 1: 72
Option 2: 105
Option 3: 152
Option 4: 164
Correct Answer: 152
Solution : As per the given graph, Given that the mean mark is 59.5. $\therefore$ The number of examinees getting more than average marks = 72 + 48 + 24 + 8 = 152 Hence, the correct answer is 152.
Question : The Crimean War in 1854-1856 was fought between
Option 1: Russia and Turkey
Option 2: USA and England
Option 3: Russia and Japan
Option 4: England and France
Correct Answer: Russia and Turkey
Solution : The correct option is Russia and Turkey.
Britain, France, Turkey and Sardinia joined forces to fight Russia in the Crimean War (1854–1866). The Russian Empire fought an alliance of Ottoman, English and French forces there, which was the main focal point of
Question : Two medians JX and KY of $\triangle \mathrm{JKL}$ intersect each other at Z at right angles. If KL = 22 cm and KY = 12 cm, then what is the length of JX?
Option 1: $6 \sqrt{19} \mathrm{~cm}$
Option 2: $3 \sqrt{57} \mathrm{~cm}$
Option 3: $2 \sqrt{57} \mathrm{~cm}$
Option 4: $4 \sqrt{19} \mathrm{~cm}$
Correct Answer: $3 \sqrt{57} \mathrm{~cm}$
Solution : Two medians JX and KY of $\triangle$JKL intersect each other at Z at right angles. KL = 22 cm and KY = 12 cm The medians of a triangle divide each other in a 2:1 ratio. According to the question, Since JX is
Question : Parts of a sentence are given below in jumbled order. Arrange the parts in the correct order to form a meaningful sentence. A. disrupted, posing major threats to progress B. global health systems have been C. health services have been D. overwhelmed and many essential E. in fighting other deadly diseases
Option 1: BECDA
Option 2: EADCB
Option 3: BDCAE
Option 4: DEABC
Correct Answer: BDCAE
Solution : The correct option is the third option.
The logical flow of information in this case seems to be about the challenges faced by global health systems due to disruptions, leading to major threats to progress in fighting other deadly diseases. So, the correct order would
Question : The line on a map connecting points of equal temperature at a given time is
Option 1: Isohyet
Option 2: Isobar
Option 3: Isthumus
Option 4: Isotherm
Correct Answer: Isotherm
Solution : The correct option is Isotherm.
An "isotherm" is a line on a map that connects sites of equal temperature at a particular time. Isotherms are contour lines that reflect temperature-consistent regions. They are extensively used in meteorology and climatology to depict temperature trends and fluctuations
Question : The following bar graph shows the marks obtained by 5 students in a class. What is the difference between the highest and the lowest marks?
Option 1: 25
Option 2: 60
Option 3: 35
Option 4: 15
Correct Answer: 25
Solution : Difference between the Highest and the Lowest Marks $= 60-35 = 25$ Hence, the correct answer is 25.
Question : Select the most appropriate ANTONYM of the given word.
Extract
Option 1: Insert
Option 2: Fry
Option 3: Cut
Option 4: Pull
Correct Answer: Insert
Solution : The correct choice is the first option.
Extract means to take out or remove something. Insert means to push into something else.
The meanings of the other options are as follows:
Fry refers to cooking food in hot oil.
Cut can be associated with separation
Question : Directions: HJLI is related to OQSP in a certain way based on the English alphabetical order. In the same way, BDFC is related to IKMJ. To which of the following is NPRO related, following the same logic?
Option 1: UWYV
Option 2: VWZX
Option 3: UXYV
Option 4: TVYU
Correct Answer: UWYV
Solution : Given: HJLI is related to OQSP and BDFC is related to IKMJ.
Here, add 7 to the place value of each letter of HJLI to obtain the required code – H + 7 = O; J + 7 = Q; L + 7 = S;
Question : Given $A$ is an acute angle, what is the value of $\left(1-\sin ^2 A\right) \operatorname{cosec}^2 A$?
Option 1: $\cot ^2 \mathrm{~A}$
Option 2: $\cos ^2 \mathrm{~A}$
Option 3: $\tan ^2 \mathrm{~A}$
Option 4: $\sin ^2 \mathrm{~A}$
Correct Answer: $\cot ^2 \mathrm{~A}$
Solution : Given: $(1-\sin ^2 A) \operatorname{cosec}^2 A$ We know, $\sin^2A + \cos^2A=1$ and $\operatorname{cosec} A=\frac{1}{\sin A}$ So, $(1-\sin ^2 A) \operatorname{cosec}^2 A$ $=\cos^2A\cdot\frac{1}{\sin^2A}$ $=\cot^2A$ Hence, the correct answer is $\cot^2A$.
Question : Directions: If A stands for ÷, B stands for ×, C stands for + and D stands for –, what will replace the question mark (?) in the following equation? 31 C 48 B 7 D 322 A 23 = ?
Option 1: 349
Option 2: 351
Option 3: 353
Option 4: 359
Correct Answer: 353
Solution : Given: A stands for ÷, B stands for ×, C stands for + and D stands for – 31 C 48 B 7 D 322 A 23 = ?
After replacing the letters as per given instructions, the equation becomes – = 31 + 48
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