Staff Selection Commission Sub Inspector Exam
Question : The World Energy Conservation Day is on:
Option 1: 1st June
Option 2: 22nd March
Option 3: 14th December
Option 4: 23rd April
Correct Answer: 14th December
Solution : The correct option is 14th December.
The 14th of December is observed as World Energy Conservation Day throughout the world. Its purpose is to draw attention to the value of energy use in daily life, its scarcity, and how it affects the viability of
Question : Which of the following insects has its scientific name, Blattaria?
Option 1: Beetle
Option 2: Cockroach
Option 3: Mosquito
Option 4: Butterfly
Correct Answer: Cockroach
Solution : The correct option is cockroach.
The scientific term Blattaria refers to cockroaches. Cockroaches are a varied group of insects that belong to the order Blattaria and are distinguished by their flattened bodies, long antennae and ability to adapt to various situations. They live in
Question : Directions: R = S means R is the mother of S; R @ S means R is the father of S; R × S means R is the father’s sister of S; R # S means R is the sister of S; R & S means R is the daughter of S; R * S means R is the brother of S. How is Z related to Y in the following expression? V × Y & X @ W * A & Z
Option 1: Sister
Option 2: Mother
Option 3: Father’s sister
Option 4: Mother’s sister
Correct Answer: Mother
Solution : Given: R = S ⇒ R is the mother of S R @ S ⇒ R is the father of S R × S ⇒ R is the father’s sister of S R # S ⇒ R is the sister of S R & S
Question : During fertilisation in living beings, the fusion of male and female gametes takes place to form a cell called:
Option 1: Zygote
Option 2: Ovum
Option 3: Embryo
Option 4: Sperm
Correct Answer: Zygote
Solution : The correct answer is a Zygote.
During fertilisation in living beings, the fusion of male and female gametes occurs, resulting in the formation of a zygote. This single cell contains a complete set of genetic material, with half coming from each parent. The zygote
Question : Select the INCORRECTLY spelt word.
Option 1: Cushion
Option 2: Scientist
Option 3: Posthumusly
Option 4: Laboratory
Correct Answer: Posthumusly
Solution : The correct answer is the third option.
The incorrectly spelled word is "posthumously." The correct spelling is "posthumously".
It is an adverb used to describe something that happens, is awarded, or is published after the death of the person to whom it is dedicated.
The
Question : Two circles touch each other externally. The radius of the first circle with centre A is 18 cm. The radius of the second circle with centre B is 8 cm. Find the length of their common tangent CD.
Option 1: 23 cm
Option 2: 26 cm
Option 3: 24 cm
Option 4: 25 cm
Correct Answer: 24 cm
Solution : Given: The radius of the first circle, $r_1$ = 18 cm The radius of the second circle, $r_2$ = 8 cm We know that, Length of the direct common tangent $=2 \sqrt{r_1 \times r_2}$ $=2 \sqrt{18 \times 8}$ $=2 \sqrt{144}$ $=2 \times 12$ $=
Question : The equilibrium price of a commodity will rise if there is a/an:
Option 1: increase in supply combined with a decrease in demand.
Option 2: increases in both demand and supply.
Option 3: decrease in both demand and supply.
Option 4: increase in demand accompanied by a decrease in supply.
Correct Answer: increase in demand accompanied by a decrease in supply.
Solution : The correct option is an increase in demand accompanied by a decrease in supply.
When demand rises and supply falls, the commodity's equilibrium price increases. This is because a higher demand means consumers are willing to
Question : Directions: In the following question, arrange the following words as per their order in the dictionary. 1. Directorial 2. Directory 3. Directive 4. Directional
Option 1: 1, 3, 4, 2
Option 2: 3, 4, 2, 1
Option 3: 3, 4, 1, 2
Option 4: 4, 3, 1, 2
Correct Answer: 4, 3, 1, 2
Solution : Given: 1. Directorial 2. Directory 3. Directive 4. Directional
Step 1: Compare the first letter of each word. Since all the words start with the same letter D, then move on to the next letter. Step 2: The second, third, fourth,
Question : The sides of $\triangle$ABC are 10 cm, 10.5 cm and 14.5 cm. What is the radius of its circumcircle?
Option 1: 5 cm
Option 2: 7.5 cm
Option 3: 5.25 cm
Option 4: 7.25 cm
Correct Answer: 7.25 cm
Solution : The sides of $\triangle$ABC are 10 cm, 10.5 cm and 14.5 cm. Now, $10.5^2 + 10^2$ $= 110.25 + 100$ $= 210.25 = 14.5^2$ So, the triangle is a right-angled triangle. Now, in a right-angled triangle, Circum radius of the triangle = $\frac{\text{Hypotenuse}}{2}$ =
Question : Which of the following imaginary lines lies at 0 degrees latitude?
Option 1: Equator
Option 2: Tropic of Cancer
Option 3: Tropic of Capricorn
Option 4: Prime Meridian
Correct Answer: Equator
Solution : The correct answer is the Equator.
0-degree latitude corresponds to the equator which divides the Earth into Northern, and Southern Hemispheres. The Equator travels through 13 countries: Ecuador, Colombia, Brazil, Sao Tome and Principe, Gabon, the Republic of the Congo, the Democratic Republic of the
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