Staff Selection Commission Sub Inspector Exam
Question : Directions: In the following question, a series is given, with one/two term(s) missing. Choose the correct alternative from the given ones that will complete the series. b3P, c6R, d12T, e24V, ?
Option 1: f48X
Option 2: f46X
Option 3: f48W
Option 4: g48X
Correct Answer: f48X
Solution : Given: b3P, c6R, d12T, e24V, ?
In the given series, add 1 to the place value of the lowercase letters, multiply 2 by the numbers and add 2 to the place value of the uppercase letters. b3P→b + 1 = c, 3 × 2 =
Question : In which year did the movie' The Lord of the Rings : The Return of the King' won the Oscar awards for the best movie with a clean sweep ?
Option 1: 2004
Option 2: 2003
Option 3: 2002
Option 4: 2005
Correct Answer: 2004
Solution : The correct answer is 2004.
The Lord of the Rings: The Return of the King was a 2003 epic fantasy adventure film directed by Peter Jackson based on a high-fantasy novel written by the English author and scholar J. R. R. Tolkien. It was
Question : The population of a city is 3,52,314. It increases annually at the rate of 15% per annum. What was its population 2 years ago?
Option 1: 3,02,400
Option 2: 3,06,360
Option 3: 2,66,400
Option 4: 2,56,400
Correct Answer: 2,66,400
Solution : Given: Rate = 15% Time = 2 years Current population = 352314 We know that, Current population = $P(1+\frac{R}{100})^n$ ⇒ $352314=P(1+\frac{15}{100})^2$ ⇒ $352314=P\times\frac{115}{100}\times\frac{115}{100}$ ⇒ $P=\frac{352314\times100\times100}{115\times115}$ ⇒ $P= 266400$ Hence, the correct answer is 2,66,400.
Question : Select the most appropriate ANTONYM of the underlined word.
Spurious medicine can be fatal to the patient.
Option 1: Genuine
Option 2: Inferior
Option 3: Contemptuous
Option 4: Virtuous
Correct Answer: Genuine
Solution : The first option is correct.
Spurious means something fake and not what it appears to be.
Genuine means authentic and truly what it is said to be, making it the appropriate antonym for the given word.
The meanings of the other options are as follows:
Question : ABC is an equilateral triangle points D, E and F are taken in sides AB, BC and CA respectively so that, AD = BE = CF. Then DE, EF, and FD enclose a triangle which is:
Option 1: equilateral
Option 2: isosceles
Option 3: right angled
Option 4: none
Correct Answer: equilateral
Solution : Given: ABC is an equilateral triangle points D, E and F are taken in sides AB, BC and CA respectively so that, AD = BE = CF. Now, AB = BC = CA and AD = BE = CF So, AD = BD = BE
Question : Select the most appropriate option to substitute the underlined segment in the given sentence. If there is no need to substitute it, select 'No substitution'.
I know the girl that sells flowers on the pavement.
Option 1: who
Option 2: what
Option 3: which
Option 4: No substitution
Correct Answer: who
Solution : The correct choice is the first option.
"Who" is the correct relative pronoun, which is used to refer to people, and is the correct pronoun to introduce a relative clause that provides additional information. It should replace "that" to make the sentence grammatically accurate.
Question : DNA shows hyperchromicity on:
Option 1: heating
Option 2: cooling
Option 3: crystallizing
Option 4: replication
Correct Answer: heating
Solution : The correct option is heating.
When DNA is heated or denatured, it becomes hyperchromic. The absorption of UV light rises as the DNA strands split, owing to the breakage of hydrogen bonds between complementary base pairs, resulting in hyperchromicity.
Question : Directions: If A denotes +, B denotes ×, C denotes –, and D denotes ÷, then what will come in place of (?) in the following equation? 124 D 4 C 86 D 2 A 61 A 17 B 3 = ?
Option 1: 100
Option 2: 98
Option 3: 92
Option 4: 110
Correct Answer: 100
Solution : Given: 124 D 4 C 86 D 2 A 61 A 17 B 3 = ?
After replacing the letters with the mathematical signs, we get – = 124 ÷ 4 – 86 ÷ 2 + 61 + 17 × 3 = 31 – 43
Question : Directions: In the following question a series is given, with one term missing. Choose the correct alternative from the given ones that will complete the series. 71, 59, 48, 38, 29, ___
Option 1: 18
Option 2: 21
Option 3: 20
Option 4: 38
Correct Answer: 21
Solution : Given: 71, 59, 48, 38, 29, ___
Follow the pattern to find the missing term –
So, 21 is the missing term in the series. Hence, the second option is correct.
Question : Directions: Which of the given figures when placed in the 5th position would continue the series that is established by the first four figures?
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : According to the given question figure – 1. The Z-shaped image is rotated left by 90 and then flipped vertically. 2. The number of lines in Z shaped image is increased by one in each box. So, following the above pattern, the required figure will be
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