Staff Selection Commission Combined Higher Secondary Level Exam
Question : The mean proportion of 6 and 54 is:
Option 1: 6
Option 2: 9
Option 3: 12
Option 4: 18
Correct Answer: 18
Solution : Mean proportion of $a$ and $b$ = $\sqrt{ab}$ So, the mean proportion of 6 and 54 = $\sqrt{6\times54}$ = 18 Hence, the correct answer is 18.
Question : Select the most appropriate option that can substitute the underlined words in the given sentence. The young artist spent countless hours perfecting her craft, trying with various methods and mediums, and honing her creative vision until she had produced a stunning collection of works that showcased her unique talent and perspective.
Option 1: exploring with different factors
Option 2: experimenting with different techniques
Option 3: merging with different variations
Option 4: researching with different types
Correct Answer: experimenting with different techniques
Solution : The second option is the correct answer.
The original sentence describes the artist spending hours perfecting her craft, trying various methods and mediums, and honing her creative vision. The phrase "experimenting with different techniques" accurately conveys the idea of trying out various
Question : Directions: In a certain code language, BFGD is written as IMNK, and PTUR is written as WABY. How will GKLI be written in that language?
Option 1: NRSO
Option 2: NRSP
Option 3: MRSO
Option 4: MRSP
Correct Answer: NRSP
Solution : Given: BFGD is written as IMNK and PTUR is written as WABY.
Add 7 to the place value of each letter of BFGD, to get their codes – B + 7 = I; F + 7 = M; G + 7 = N; D +
Question : When was the Smart Cities Mission launched by the Government of India?
Option 1: 2015
Option 2: 2017
Option 3: 2016
Option 4: 2014
Correct Answer: 2015
Solution : The correct option is 2015.
The goal of the Smart Cities Mission, which was introduced on June 25, 2015, is to use "smart solutions to give residents of such cities access to basic infrastructure, a clean, and sustainable environment, and a respectable standard of
Question : Which continent provides more than half of world’s tin?
Option 1: Europe
Option 2: Asia
Option 3: North Africa
Option 4: Africa
Correct Answer: Asia
Solution : eThe correct option is Asia
Asia provides more than half of the world's tin. Indonesia and China are the two largest producers of tin globally, with Indonesia being the largest contributor. Other significant tin-producing countries in Asia include Myanmar, Malaysia, and Thailand. These countries collectively
Question : The fifth edition of the Khelo India Youth Games will be held in ____________cities in Madhya Pradesh.
Option 1: nine
Option 2: seven
Option 3: eight
Option 4: six
Correct Answer: eight
Solution : The correct option is eight.
The fifth edition of the Khelo India Youth Games will be held in eight cities. More than 8,500 athletes participate in the game throughout the country. A total of 27 different games were played by the different participants. The game
Question : The value of the following is: $\frac{\left (\tan20^{\circ} \right )^{2}}{\left (\operatorname{cosec70^{\circ}} \right )^{2}}+\frac{\left (\cot20^{\circ} \right )^{2}}{\left (\sec70^{\circ} \right )^{2}}+2\tan15^{\circ} \tan45^{\circ} \tan75^{\circ}$
Option 1: $1$
Option 2: $4$
Option 3: $3$
Option 4: $2$
Correct Answer: $3$
Solution : $\frac{\left (\tan20^{\circ} \right )^{2}}{\left (\operatorname{cosec70^{\circ}} \right )^{2}}+\frac{\left (\cot20^{\circ} \right )^{2}}{\left (\sec70^{\circ} \right )^{2}}+2\tan15^{\circ} \tan45^{\circ} \tan75^{\circ}$ $=\frac{\left (\tan(90^\circ-70^{\circ}) \right )^{2}}{\left (\operatorname{cosec70^{\circ}} \right )^{2}}+\frac{\left (\cot(90^\circ-70^{\circ} )\right )^{2}}{\left (\sec70^{\circ} \right )^{2}}+2\tan(90^\circ-75^{\circ}) \tan45^{\circ} \tan75^{\circ}$ $=\frac{\left (\cot 70^{\circ} \right )^{2}}{\left (\operatorname{cosec70^{\circ}} \right )^{2}}+\frac{\left (\tan 70^{\circ} \right )^{2}}{\left (\sec70^{\circ} \right )^{2}}+2\cot
Question : Rainbow is formed due to:
Option 1: Refraction and dispersion
Option 2: Scattering and refraction
Option 3: Diffraction and refraction
Option 4: Refraction and reflection
Correct Answer: Refraction and reflection
Solution : The correct answer is Refraction and reflection.
A rainbow is a multi-coloured arc that appears in the sky. It is a phenomenon that is caused by the reflection, refraction, and dispersion of light in water droplets, resulting in a spectrum of light appearing
Question : Directions: In the following question, some parts of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If the sentence is free from error, select "No Error".
Sairat is one of the latest (1) / in the list of contemporary Marathi movies (2) / which appeared in recent times. (3) / No Error (4)
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (3)
Solution : The correct choice is the third option.
"Which" should be replaced with "that" to refer to the movies. The restrictive relative clause in the sentence "appeared in recent times" should be changed to "have appeared in recent times" as recent means lately.
Therefore, the correct
Question : The perimeter of an isosceles triangle is 91 cm. If one of the equal sides measures 28 cm, then what is the value of the other non-equal side?
Option 1: 56 cm
Option 2: 14 cm
Option 3: 42 cm
Option 4: 35 cm
Correct Answer: 35 cm
Solution : Given, Perimeter = 91 cm Length of two equal sides = 28 cm Let the length of the non-equal side be $x$ cm. Perimeter = Sum of all sides ⇒ $91=28+28+x$ ⇒ $91=56+x$ ⇒ $x=91-56$ ⇒ $x=35$ Hence, the correct answer is 35 cm.
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