Staff Selection Commission Sub Inspector Exam
Question : Directions: In the given figure, which alphabet represents gel pens that are not blue?
Option 1: c
Option 2: d
Option 3: h
Option 4: b
Correct Answer: c
Solution : In the below diagram, the shaded part in the diagram represents gel pens that are not blue.
Therefore, the alphabet that represents gel pens that are not blue is c. Hence, the first option is correct.
Question : Abhijit Vinayak Banerjee was awarded the 2019 Nobel Memorial Prize in:
Option 1: Literature
Option 2: Economics
Option 3: Chemistry
Option 4: Physics
Correct Answer: Economics
Solution : The correct answer is Economics.
Abhijit Vinayak Banerjee is a renowned economist, and he was awarded the Nobel Memorial Prize in Economic Sciences. In 2019, the Nobel Prize for economics was given to Abhijeet Vinayak Banerjee and his wife, Esther Duflo and Michael Kremer,
Question : The difference between the value of the number increased by 20% and the value of the number decreased by 25% is 36. Find the number.
Option 1: 7.2
Option 2: 0.8
Option 3: 720
Option 4: 80
Correct Answer: 80
Solution : Let the number be $100x$. According to the question, The difference between the number increased and the number decreased is 36. ⇒ $120x - 75x = 36$ ⇒ $45x = 36$ $\therefore x = \frac{4}{5}$ So, the number $=100x=\frac{4}{5} × 100 = 80$ Hence, the
Question : If three numbers are in the ratio of 1 : 3 : 7, and their LCM is 336, then their HCF is:
Option 1: 16
Option 2: 18
Option 3: 10
Option 4: 12
Correct Answer: 16
Solution : Three numbers are in the ratio of $1 : 3 : 7$. Let the numbers be $x, 3x, 7x$. Their LCM = $21x$ According to the question, $21x = 336$ $\therefore x = 16$ So, the numbers are 16, 16 × 3 = 48, 16
Question : Directions: Seven people, A, B, C, D, E, F, and G, are sitting in a straight row, facing north (not necessarily in the same order). Only 1 person sits to the left of D. A is an immediate neighbour of D. Only 2 people sit between F and D. Only 3 people sit between C and G. B is not an immediate neighbour of G. Only 2 people sit between E and A. Who sits at the extreme right end of the row?
Option 1: A
Option 2: G
Option 3: C
Option 4: B
Correct Answer: C
Solution : Given: (I) Seven people, A, B, C, D, E, F, and G, are sitting in a straight row, facing north. Only 1 person sits to the left of D. A is an immediate neighbour of D. Only 2 people sit between F and D.
(II)
Question : Find the HCF of $\frac{11}{25}, \frac{9}{20}, \frac{16}{15}$, and $\frac{10}{33}$.
Option 1: $\frac{1}{3300}$
Option 2: $\frac{1}{330}$
Option 3: $\frac{1}{33}$
Option 4: $\frac{1}{300}$
Correct Answer: $\frac{1}{3300}$
Solution : The highest common factor (HCF) of fractions is calculated as the HCF of the numerators divided by the least common multiple (LCM) of the denominators. The numerators of the given fractions are 11, 9, 16, and 10. The HCF of these numbers is 1. The
Question : Comprehension:
In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
It was a cool and windy day. Shiela, Zora, Lamba and I were (1)_______ our way to the Park to play on the slides. On our way (2)_______, Shiela (3)_______ something stuck to her shoe. "Must be a (4)_______ of chewing gum or something," she muttered as she (5)_______ down to remove the object. What she removed from her shoe was a dirty note of five hundred rupees!
Question:
Select the most appropriate option to fill in the blank 3.
Option 1: thought
Option 2: felt
Option 3: found
Option 4: had
Correct Answer: felt
Solution : The correct choice is the second option.
Explanation:
In this context, the preposition on is the most suitable choice. The sentence would read, "Shiela, Zora, Lamba, and I were on our way to the park to play on the slides". The preposition on indicates the
Question : Comprehension: Read the given passage and answer the questions that follow. It is not an exaggeration to say that the question of where and when the Black Death, the deadliest pandemic ever, originated is one of the biggest mysteries in human history. After all, the Black Death was the first wave of the second plague pandemic of the 14th to early 19th centuries. It killed some 50-60% of the population in Europe, the Middle East and North Africa and an unaccountable number of people in Central Asia. Different proposals, based on competing theories, have been put forward. But in 2017, I came across some records describing an intriguing medieval cemetery in Kara-Djigach, Chüy Valley, northern Kyrgyzstan, which I suspected may hold the key. As part of a multidisciplinary team co-led by Maria Spyrou at the University of Tubingen, we have now investigated several specimens from individuals buried at that site – and come up with an answer. The idea that the Black Death originated in the east – territories overlapping, roughly speaking, Central Asia, Mongolia and China – dates back to the contemporaries of the pandemic in Europe and the Islamic world. The modern, academic Chinese origin theory dates back to at least 1756-8 and a publication about the history of Central Asia by French scholar Joseph de Guignes. What is the tone of the speaker?
Option 1: Humorous
Option 2: Explanatory
Option 3: Pessimistic
Option 4: Informal
Correct Answer: Explanatory
The speaker is providing information and explanations about the origin of the Black Death, discussing different theories and their historical context. The passage is focused on presenting facts and research findings rather than using humour, expressing pessimism,
Question : Directions: Which of the following letters will replace the question mark (?) in the given series? B, D, G, K, P, ?
Option 1: V
Option 2: R
Option 3: Q
Option 4: S
Correct Answer: V
Solution : Given: B, D, G, K, P, ?
Add natural numbers, starting from 2 in ascending order to the place value of each letter to obtain the missing letter – B + 2 = D; D + 3 = G; G + 4 = K; K
Question : What was the party affiliation of EMS Namboodiripad?
Option 1: Kerala Congress
Option 2: SUCI
Option 3: CPI
Option 4: CPI(M)
Correct Answer: CPI(M)
Solution : The correct answer is CPI(M).
CPI (M) was the party affiliation of EMS Namboodiripad. EMS aligned itself with the Communist Party of India (Marxist) (CPI(M)) following the CPI's 1964 split. He headed the CPI(M) state committee in Kerala. He was a member of the
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