Staff Selection Commission Sub Inspector Exam
Question : The given histogram shows the height of the students. The number of students whose height is in the class interval 170-175 is what per cent less than the number of students whose height is in the interval 165-170? (correct to one decimal place)
Option 1: 14.3%
Option 2: 19.5%
Option 3: 11.5%
Option 4: 17.3%
Correct Answer: 14.3%
Solution : The number of students whose height is in the class interval 170-175 = 12 The number of students whose height is in the class interval 165-170 = 14 Required percentage = $\frac{\text{Students in the class interval 165-170 – Students in the class interval 170-175}}{\text{Students in
Question : Directions: Select the figure that can replace the question mark (?) in the following series.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : In the question image, check the moving pattern of X and @ for the next figure. Step 1: Check the position of X as X moves one and a half positions (one position equal to half the side of a square) in the anticlockwise direction. Step
Question : The value of $\sqrt{9-2 \sqrt{11-6 \sqrt{2}}}$ is closest to:
Option 1: 2.7
Option 2: 2.9
Option 3: 2.4
Option 4: 2.1
Correct Answer: 2.4
Solution : Given: $\sqrt{9-2 \sqrt{11-6 \sqrt{2}}}$ = $\sqrt{9-2 \sqrt{3^2+(\sqrt2)^2-2×3×\sqrt{2}}}$ = $\sqrt{9-2 \sqrt{(3-\sqrt2)^2}}$ = $\sqrt{9-2 (3-\sqrt2)}$ = $\sqrt{9-6+2\sqrt2}$ = $\sqrt{3+2\sqrt2}$ = $\sqrt{(\sqrt2)^2+1^2+2\sqrt2}$ = $\sqrt{(\sqrt2+1)^2}$ = $\sqrt2+1$ = 1.414 + 1 = 2.414 Hence, the correct answer is 2.4.
Question : Directions: Select the correct mirror image of the given combination when the mirror is placed at PQ as shown below.
Solution : As per the mirror image properties, close 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 PQ). So, the left side of the reflected image will appear
Question : Select the most appropriate meaning of the given idiom. True colours.
Option 1: Black and white.
Option 2: Light colours.
Option 3: Real character.
Option 4: Bright colours.
Correct Answer: Real character.
Solution : The correct choice is the third option.
The idiom true colours refer to someone's real or genuine character, intentions, or personality traits, especially when they are revealed or shown, often in contrast to how they initially presented themselves.
Black and white is also
Question : Select the INCORRECTLY spelt word.
Option 1: Membrane
Option 2: Solvant
Option 3: Highlight
Option 4: Exuberant
Correct Answer: Solvant
Solution : The correct choice is the second option.
Explanation:
The correct spelling of the word for a substance that dissolves a solute is solvent, with an "e" after the "v". The term refers to a substance, typically a liquid, that has the capability to
Question : If a wheel has a diameter of 42 cm, then how far does the wheel go (in metres) in 12 revolutions? (Take $\pi=\frac{22}{7}$)
Option 1: 21.45
Option 2: 23.27
Option 3: 15.84
Option 4: 17.64
Correct Answer: 15.84
Solution : Use : C = $\pi$ × d, where, C is the Circumference of the circle, d is the diameter According to the question C = $\pi$ × d = $\frac{22}{7}$ × 42 = 132 cm $\therefore$ Total distance = Distance per revolution × Number of
Question : Who among the following Mauryan kings turned to Buddhism and its tenet of nonviolence after the Kalinga war?
Option 1: Chandragupta Maurya
Option 2: Bindusara
Option 3: Ashoka
Option 4: Dasharatha
Correct Answer: Ashoka
Solution : The correct answer is Ashoka.
The last significant ruler of India's Mauryan dynasty was Ashoka. Following his victorious conquest of the Kalinga, he turned to Buddhism, gave up violent conquest and embraced a strategy he called "conquer by dharma," realising the carnage of the
Question : Directions: Select the option that represents the letters that when sequentially placed from left to right in the blanks will complete the letter series. w_ll_g_we_ln_k_e_l_ gk
Option 1: enklgwkn
Option 2: enklgwln
Option 3: enklwgIn
Option 4: enlkgwkn
Correct Answer: enklgwln
Solution : Given: w_ll_g_we_ln_k_e_l_ gk
To fill the series, we have to divide the series – w_ll_g_ / we_ln_k / _e_l_gk Let's check each option – First option: enklgwkn; wellngk / wellngk / wekln
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".
Rahul was (1) / the richest of (2) / the two persons. (3) / No Error (4)
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (2)
Solution : The error lies in the second part of the sentence.
The word ''richest'' should be replaced with ''richer'' to convey the intended meaning that of the two of them, Rahul had more wealth. The comparative degree is usually used when comparing between two traits. "The"
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