Staff Selection Commission Sub Inspector Exam
Question : Directions: In a certain code language, PIN is coded as 9, and CHARGER is coded as 49. How will CABLE be coded in the same language?
Option 1: 27
Option 2: 25
Option 3: 18
Option 4: 36
Correct Answer: 25
Solution : Given: PIN is coded as 9, and CHARGER is coded as 49.
Square the number of letters present in the PIN to obtain the required code – Number of letters in PIN = 3→32 = 9 Thus, PIN is coded as 9. And in,
Question : Three cars travelled a distance in the ratio 1 : 2 : 3. If the ratio of the time of travel is 3 : 2 : 1, then the ratio of their speed is:
Option 1: 3 : 9 : 1
Option 2: 1 : 3 : 9
Option 3: 1 : 2 : 4
Option 4: 4 : 3 : 2
Correct Answer: 1 : 3 : 9
Solution : The ratio of distance = 1 : 2 : 3 The ratio of the time of travel = 3 : 2 : 1 As speed = $\frac{\text{distance}}{\text{time}}$, $\therefore$ Ratio of speed = $\frac{1}{3}:\frac{2}{2}:\frac{3}{1} = 1 : 3 : 9$ Hence, the
Question : Which one of these is a communicable disease?
Option 1: Diabetes
Option 2: Diphtheria
Option 3: Arthritis
Option 4: Cancer
Correct Answer: Diphtheria
Solution : The correct option is Diphtheria.
Diphtheria is a highly contagious bacterial infection caused by Corynebacterium diphtheriae. It is passed from person to person by respiratory droplets carrying the germs, which are commonly expelled when an infected person coughs or sneezes.
Question : Directions: Five friends P,Q,R,S, and T are sitting around a circular table facing the centre of the table. S is sitting to the immediate right of P. T is sitting to the immediate left of Q. P is between S and R. Who is sitting at the second place to the left of T?
Option 1: R
Option 2: Q
Option 3: P
Option 4: S
Correct Answer: P
Solution : Given: (I) Five friends P, Q, R, S, and T are sitting around a circular table facing the centre of the table. S is sitting to the immediate right of P.
(II) T sits to the immediate left of Q. P is between S and
Question : Select the most appropriate option that can substitute the underlined segment in the given sentence.
The story did not go by well enough.
Option 1: go through
Option 2: go down
Option 3: go off
Option 4: go into
Correct Answer: go down
Solution : The correct choice is the second option.
Explanation: In the given sentence, the phrase "did not go by well enough" indicates that the story was not received or accepted favourably. The phrasal verb "go down" is commonly used to express how well something
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".
Rohit (did many mischiefs).
(1) committed many mischiefs
(2) made many a mischiefs
(3) made much mischiefs
(4) No Improvement
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 1
Solution : The correct choice is the first option.
The phrase "did many mischiefs" should be replaced with "committed many mischiefs" since it is more appropriate to use "commit" instead of "did" to indicate the action of engaging in mischievous behaviour.
Therefore, the correct sentence should be:
Question : Sweating or perspiration is nature's way of:
Option 1: Lowering the internal temperature of the body
Option 2: Releasing excess salt from the body
Option 3: Warding off harmful insects through the bad odour of the sweat
Option 4: Releasing excess water from the body
Correct Answer: Lowering the internal temperature of the body
Solution : The correct option is Lowering the internal temperature of the body.
Perspiration, another name for sweating, is a normal physiological process the body uses to control its internal temperature. Sweating serves to keep the body's core temperature steady
Question : Directions: Six friends P, Q, R, S, T, and U are sitting around a circular table, facing the centre of the table. P is second to right of S. Q is sitting to the immediate left of T. P is sitting between R and U. S is sitting to the immediate left of R. Who is sitting between P and S?
Option 1: Q
Option 2: R
Option 3: T
Option 4: U
Correct Answer: R
Solution : Given: (I) Six friends P, Q, R, S, T, and U are sitting around a circular table, facing the centre of the table. P is second to the right of S.
(II) Q is sitting to the immediate left of T. P is sitting between
Question : Direction: The following pie chart shows the monthly expenses for food, house rent, clothing, education, fuel, and miscellaneous. study the pie chart and answer the question. The total percentage of expenses on house rent, clothing, and fuel is greater than the percentage of expenditure on food by:
Option 1: 16
Option 2: 17
Option 4: 20
Correct Answer: 17
Solution : Total expenditure on house rent, clothing, fuel = 20 + 12 + 15 = 47% Total expenditure on food = 30% Required difference = 47 – 30 = 17% Hence, the correct answer is 17.
Question : What is the correct formula for calcium hydroxide?
Option 1: CaOH
Option 2: Ca(OH)4
Option 3: Ca(AlOH)4
Option 4: Ca(OH)2
Correct Answer: Ca(OH)2
Solution : The correct option is Ca(OH)2.
The correct chemical formula for calcium hydroxide is Ca(OH)2. It has one calcium (Ca) ion and two hydroxide (OH-) ions. In this ionic compound, the calcium ion has a positive two charge (Ca
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