Staff Selection Commission Sub Inspector Exam
Question : Study the pie chart and answer the question. Distribution (degree wise) of the number of computers sold by a shopkeeper during five months. The total number of computers sold in February and April is what percentage more than the number of computers sold in May? (Your answer should be correct to one decimal place.)
Option 1: 25.8
Option 2: 28.6
Option 3: 30.2
Option 4: 26.4
Correct Answer: 28.6
Solution : The total number of computers sold in February and April = 45 + 54 = 99 The number of computers sold in May = 77 The required percentage $=\frac{99–77}{77}\times 100$ $=\frac{22}{77}\times 100=28.6$% Hence, the correct answer is 28.6.
Question : Cripps Mission came to India in _____.
Option 1: 1946
Option 2: 1945
Option 3: 1942
Option 4: 1940
Correct Answer: 1942
Solution : The correct answer is 1942.
Sir Richard Stafford Cripps led the Cripps India mission, which was sent to India by the British government in March 1942 to win India's support in World War II. The proposal offered dominion status and autonomy in both external
Question : Which of the following is a warm-blooded animal?
Option 1: Turtle
Option 2: Snake
Option 3: Ape
Option 4: Lizard
Correct Answer: Ape
Solution : The correct option is Ape.
Apes are warm-blooded creatures. Apes, like humans, are endothermic, meaning they can adjust their body temperature internally. This permits them to keep their body temperature largely constant independent of the temperature of their surroundings.
Question : Directions: The sequence of folding a piece of paper and the manner in which the folded paper is cut is shown in the following figures. How would this paper look when unfolded?
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : When the given folded paper is unfolded, it will look like –
Hence, the fourth option is correct.
Question : Simplify. $\cos \left(36^{\circ}-\mathrm{A}\right) \cos \left(36^{\circ}+\mathrm{A}\right)+\cos \left(54^{\circ}-\mathrm{A}\right) \cos \left(54^{\circ}+\mathrm{A}\right)$
Option 1: $\cos A$
Option 2: $\sin 2A$
Option 3: $\cos 2A$
Option 4: $\sin A$
Correct Answer: $\cos 2A$
Solution :
Given: $\cos(36^{\circ}-A) \cos (36^{\circ}+A)+\cos (54^{\circ}-A) \cos (54^{\circ}+A)$ = $\sin[90^{\circ} - (36^{\circ} - A)]\sin[90^{\circ} - (36^{\circ} + A)] + \cos (54^\circ - A) \cos (54^\circ + A)$ = $\sin(54^\circ + A)\sin(54^\circ - A) + \cos (54^\circ - A)\cos (54^\circ + A)$ = $\cos(54^{\circ} + A
Question : Directions: If LOVE is coded as 27, then how is COME coded as?
Option 1: 38
Option 2: 18
Option 3: 28
Option 4: 8
Correct Answer: 18
Solution : Given: LOVE is coded as 27.
Add the place value of the letters of the LOVE and divide it by 2 to get the codes – L→12; O→15; V→22; E→5 (12 + 15 + 22 + 5) ÷ 2 = 27 So, LOVE is coded
Question : Which of the following statements is correct regarding fuse wire?
Option 1: It has a low melting point and low conductivity.
Option 2: It has a high melting point and low conductivity.
Option 3: It has a low melting point and high conductivity.
Option 4: It has a high melting point and high conductivity.
Correct Answer: It has a low melting point and high conductivity.
Solution : The correct answer is that it has a low melting point and high conductivity.
The material used to make fuse wire has a high conductivity and a low melting point. It will prevent excessive power from
Question : The numbers of students who passed with different honours from a college from 2015 to 2018 are depicted in the given table. Study the table and answer the following question.
How many students passed Mathematics, Physics, Chemistry, Zoology, and Botany from the year 2015 to 2018?
Option 1: 112
Option 2: 97
Option 3: 100
Option 4: 99
Correct Answer: 112
Solution : From the table, The number of Mathematics students from 2015-2018 = 38 The number of Physics students from 2015-2018 = 26 The number of Chemistry students from 2015-2018 = 20 The number of Zoology students from 2015-2018 = 18 The number of Botany students from
Question : The next number of the sequences 3, 7, 15, 31, 63, ? is:
Option 1: 95
Option 2: 111
Option 3: 123
Option 4: 127
Correct Answer: 127
Solution : Given: The sequences 3, 7, 15, 31, 63,? Here, 3 + (22) = 7 7 + (23) = 15 15 + (24) = 31 31 + (25) = 63 63 + (26) = 127 Hence,
Question : If $\left (\sqrt{5} \right)^{7}\div \left (\sqrt{5} \right)^{5}=5^{p},$ then the value of $p$ is:
Option 1: $5$
Option 2: $2$
Option 3: $\frac{3}{2}$
Option 4: $1$
Correct Answer: $1$
Solution : Given: $\frac{(\sqrt{5})^7}{(\sqrt{5})^5} = 5^p$ $⇒(\sqrt{5})^{7 - 5} = 5^p$ $⇒(\sqrt{5})^2 = 5^p$ $⇒5^{\frac{1}{2}×2} = 5^{p}$ $⇒5^1=5^p$ Comparing both sides, we get, $\therefore p=1$ Hence, the correct answer is $1$.
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