Staff Selection Commission Sub Inspector Exam
Question : Directions: In a certain code language, COACH is coded as XAOHC, and BERTH is coded as WREHT. How will TRAIN be coded in the same language?
Option 1: OARNI
Option 2: PARNI
Option 3: PARIN
Option 4: ONIAR
Correct Answer: OARNI
Solution : Given: COACH is written as XAOHC. BERTH is written as WREHT.
Subtract 5 from the first letter of COACH and change the position as shown, to obtain the required code –
Thus, COACH is written as XAOHC. And in, BERTH is written as WREHT –
Question : Two circles touch externally at P. QR is a common tangent of the circle touching the circles at Q and R. Then, the measure of $\angle QPR$ is:
Option 1: $60^{\circ}$
Option 2: $30^{\circ}$
Option 3: $90^{\circ}$
Option 4: $45^{\circ}$
Correct Answer: $90^{\circ}$
Solution : $\angle$POQ = $\angle$POR = $90^\circ$ OQ = OP = OR (Tangents drawn from the same external point) $\therefore$ $\angle$OQP = $\angle$OPQ = $\angle$ORP = $\angle$OPR In $\triangle$POQ, $\angle$POQ + $\angle$OPQ + $\angle$OQP = $180^\circ$ ⇒ $90^\circ$ + $\angle$OPQ + $\angle$OPQ = $180^\circ$ ⇒ 2$\angle$OPQ =
Question : Directions: Select the Venn diagram that best represents the relationship between the following classes. Mothers, Doctors, Females
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : Doctor is a profession where both males and females are included but mother is a category that comes under the females only.
Therefore, the Venn diagram will be as follows –
Hence, the third option is correct.
Question : Select the most appropriate option that can substitute the underlined segment in the given sentence Health insurance are important today since anyone can face a medical emergency without warning.
Option 1: will be important
Option 2: has been important
Option 3: was important
Option 4: is important
Correct Answer: is important
Solution : The fourth option is the correct choice.
The subject in the sentence is "health insurance", which is singular. The correct verb form to agree with the singular subject is "is". The original verb form "are" does not agree in number with the singular subject,
Question : In which ocean is the island country Fiji situated?
Option 1: Indian Ocean
Option 2: Arctic Ocean
Option 3: Atlantic Ocean
Option 4: Pacific Ocean
Correct Answer: Pacific Ocean
Solution : The correct option is the Pacific Ocean.
Fiji is an archipelago in the South Pacific Ocean, located about 1,100 nautical miles (2,000 kilometres) northeast of New Zealand. It is composed of 333 islands and islets, but only about 110 of them are permanently inhabited.
Question : The salaries of A, B, and C are in the ratio of $\frac{3}{2}: \frac{6}{5}: \frac{4}{3}$. The salary of A and B together is Rs. 40,500. By what percentage is the salary of A more than that of C?
Option 1: 12%
Option 2: 13%
Option 3: 11.5%
Option 4: 12.5%
Correct Answer: 12.5%
Solution : The ratio of the salaries of A, B, and C is given as $\frac{3}{2}: \frac{6}{5}: \frac{4}{3}$. We can simplify this ratio by multiplying all terms by 30 to get the ratio as 45 : 36 : 40. Let the salary of A and C are
Question : Parts of the following sentence have been given as options. One of them may contain an error. Select the part that contains the error from the given options. If you don’t find any error, mark ‘No error’ as your answer. Anant was telling a story about his most recent exploits when a tree branch break the living room window.
Option 1: about his most recent exploits
Option 2: when a tree branch break the living room window
Option 3: Anant was telling a story
Option 4: No error
Correct Answer: when a tree branch break the living room window
Solution : The error lies in the second option.
The error is in the verb-tense agreement. The correct form should be "when a tree branch broke the living room window." The verb "break" needs to be in the past
Question : Select the option that expresses the given sentence in passive voice. She blew the candles on the cake.
Option 1: The candles on the cake were blew by her.
Option 2: The candles on the cake were blown by her.
Option 3: The candles on the cake were being blown by her.
Option 4: The candles on the cake is blown by her.
Correct Answer: The candles on the cake were blown by her.
Solution : The correct choice is the second option.
To transform this sentence into passive voice, the object becomes the subject, the subject becomes the agent (introduced by "by"), and the verb changes to its past participle form
Question : Study the given table and answer the question that follows. The table shows data of the population and literacy/illiteracy rate among the population in three different villages.
The number of illiterates in village R is what percentage less than that in village P?
Option 1: $60 \frac{11}{19} \%$
Option 2: $60 \frac{9}{19} \%$
Option 3: $60 \frac{10}{19} \%$
Option 4: $60 \frac{8}{19} \%$
Correct Answer: $60 \frac{10}{19} \%$
Solution : Illiterates in village R = 150 Illiterates in village P = 380 Difference = 380 – 150 = 230 Required percentage = $\frac{\text{Difference between R and P}}{\text{Illiterates in village P}}\times100$ = $\frac{230}{380}\times100$ = $60 \frac{10}{19}\%$ Hence, the correct answer is $60 \frac{10}{19} \%$.
Question : Directions: Which two signs should be interchanged to make the given equation correct? 4 × 7 + 36 – 12 ÷ 6 = 25
Option 1: + and –
Option 2: × and –
Option 3: ÷ and ×
Option 4: ÷ and –
Correct Answer: ÷ and –
Solution : Given: 4 × 7 + 36 – 12 ÷ 6 = 25
Let's check the options – First options: + and – 4 × 7 – 36 + 12 ÷ 6 = 25 On solving the L.H.S. of the given equation – =
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