Staff Selection Commission Sub Inspector Exam
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.
The concept of motivation focuses on explaining what 'moves' behaviour. In fact, the term (1)_______ is derived from the Latin word 'movere', referring to the movement of activity. Most of our everyday explanation of (2)________ is given in terms of motives. Motives also help in making (3)__________ about behaviour. A person will work hard in school, in sports, in business, in music, and in many other situations, if he/she has a very strong need for (4)__________. Hence, motives are the general states that enable us to make predictions about behaviour in many different situations. In other words, motivation is one of the (5)_________ of behaviour. Instincts, drives, needs, goals, and incentives come under the broad cluster of motivation.
Question: Select the most appropriate option to fill in the blank number (2).
Option 1: behaviour
Option 2: goal
Option 3: incentive
Option 4: motivation
Correct Answer: behaviour
Solution : The correct choice is the first option.
The context of the sentence suggests that the concept of motivation is explained in terms of motives, which also play a role in making explanations about behaviour. Therefore, the word "behaviour" fits logically in the sentence, as
Question : Directions: Select the option that is related to the third word in the same way as the second word is related to the first word. Island : Sea :: Oasis : ?
Option 1: Mountain
Option 2: Desert
Option 3: Trees
Option 4: Air
Correct Answer: Desert
Solution : Given: Island : Sea :: Oasis : ? (An island is a piece of land that is surrounded by water whereas a sea is an expanse of water that covers most of the earth's surface and surrounds its land masses.)
Let's check each option –
Question : $1.\overline{2} \times 0.\overline{03}$ =
Option 1: $0.\overline{04}$
Option 2: $0.0\overline{36}$
Option 3: $1.\overline{13}$
Option 4: $0.\overline{037}$
Correct Answer: $0.\overline{037}$
Solution : Given: $1.\overline{2} \times 0.\overline{03}$ Fraction form of $1.\overline{2}= \left (1+\frac{2}{9} \right )=\frac{11}{9}$ Fraction form of $0.\overline{03}=\frac{3}{99} =\frac{1}{33}$ Now, $1.\overline{2} \times 0.\overline{03}=\frac{11}{9} \times \frac{1}{33}=\frac{1}{27}=\frac{1 \times37}{27 \times 37}=\frac{37}{999}=0.\overline{037}$ Hence, the correct answer is $0.\overline{037}$.
Question : If $1 \frac{1}{3} \div \frac{2}{5} \times \frac{x}{5}=1 \frac{1}{4} \times \frac{2}{3} \div \frac{1}{6}$, then the value of $x$ is:
Option 1: 5.5
Option 2: 7.5
Option 3: 7.0
Option 4: 15
Correct Answer: 7.5
Solution : Given expression, $1 \frac{1}{3} \div \frac{2}{5} \times \frac{x}{5}=1 \frac{1}{4} \times \frac{2}{3} \div \frac{1}{6}$ ⇒ $\frac{4}{3} \div \frac{2}{5} \times \frac{x}{5}= \frac{5}{4} \times \frac{2}{3} \div \frac{1}{6}$ Using the BODMAS Rule, B – Brackets, O – Order of powers or roots, D – Division, M – Multiplication A
Question : Identify the third germinal layer found in triploblastic animals.
Option 1: Mesoderm
Option 2: Ectoderm
Option 3: Coelom
Option 4: Endoderm
Correct Answer: Mesoderm
Solution : The correct option is Mesoderm.
The third germinal layer found in triploblastic animals is the mesoderm. Triploblastic animals have three primary germ layers during embryonic development: the ectoderm, mesoderm and endoderm. These layers give rise to different tissues and organs in the developing organism.
Question : Directions: Select the option in which the given figure (X) is embedded (rotation is NOT allowed).
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : Since there is a restriction on the rotation of the figure, we will check where the question figure can exactly fit itself in the given option figures. By comparison of all the option figures, the given question figure is embedded only in the third option figure.
Question : The following sentence has been split into four segments. Identify the segment that contains a grammatical error. Mr. Khanna and his family / have visit / Manali during / the summer vacation.
Option 1: have visit
Option 2: Mr. Khanna and family
Option 3: the summer vacation.
Option 4: Manali during
Correct Answer: have visit
Solution : The correct answer to this question is the first option.
Explanation: The error lies in the use of have visit. The correct form is "have visited," because visited is the past participle of the verb "visit," which should be used in the present perfect
Question : Directions: Select the correct combination of mathematical signs to replace the * signs and balance the equation.
Option 1: ÷, =, ×
Option 2: ×, =, ÷
Option 3: =, ÷, ×
Option 4: =, ×, ÷
Correct Answer: ÷, =, ×
Solution : Given: 96 * 6 * 8 * 2
Replace * with the mathematical signs and solve the equations one by one using the BODMAS rule. Let's check the given options – First option: ÷, =, × ⇒ 96 ÷ 6 = 8 ×
Question : The following data gives a year-wise outlay (in lakhs of rupees) in a certain 4-year plan (2018-2022) of a state.
What was the percentage increase during 2020-2021 over 2018-2019 in Education outlay?
Option 1: 2.8%
Option 2: 3.2%
Option 3: 2.0%
Option 4: 2.5%
Correct Answer: 2.5%
Solution : The percentage increase in Education outlay during 2020-2021 over 2018-2019 can be calculated using the formula: $\text{Percentage Increase} = \frac{\text{Final Value} - \text{Initial Value}}{\text{Initial Value}} \times 100$ From the table, the Education outlay for 2018-2019 is 8000 lakhs of rupees and for 2020-2021 is 8200
Question : If the height of a cone is 7 cm and the diameter of the circular base is 12 cm, then its volume is (nearest to integer):
Option 1: $254\; \text{cm}^3$
Option 2: $284\; \text{cm}^3$
Option 3: $264\; \text{cm}^3$
Option 4: $274\; \text{cm}^3$
Correct Answer: $264\; \text{cm}^3$
Solution : The volume V of a cone can be calculated using the formula: $V = \frac{1}{3} \pi r^2 h$ where r is the radius of the base and h is the height of the cone. Given that the diameter of the base is 12 cm,
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