Staff Selection Commission Sub Inspector Exam
Question : Select the most appropriate meaning of the given idiom.
Sitting on a gold mine
Option 1: to own something potentially valuable
Option 2: secretly hunting for something precious
Option 3: not availing of an opportunity
Option 4: wasting a vast treasure
Correct Answer: to own something potentially valuable
Solution : The correct choice is the first option.
Sitting on a gold mine is an idiom that implies having something of great value or potential, often unknowingly or without taking advantage of its benefits, and if recognised or properly utilised, it
Question : Directions: Two statements are given followed by three conclusions numbered I, II, and III. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements Statements: I. All keys are locks. II. No door is a lock. Conclusions: I. Some locks are doors. II. Some locks are keys. III. No key is a door.
Option 1: Both conclusions I and II follow
Option 2: Conclusions I, II, and III follow
Option 3: Both conclusions II and III follow
Option 4: Both conclusions I and III follow
Correct Answer: Both conclusions II and III follow
Solution : The possible Venn diagram according to the given statements is as follows –
Let's analyse the conclusions – Conclusion (I): Some locks are doors – From the Venn diagram, it is evident that there is a negative relation between lock
Question : A cylinder of height 8 cm and radius 6 cm is melted and converted into three cones of the same radius and height of the cylinder. Determine the total curved surface area of cones.
Option 1: $180 \pi\operatorname{cm^2}$
Option 2: $60 \pi\operatorname{cm^2}$
Option 3: $144 \pi\operatorname{cm^2}$
Option 4: $120 \pi\operatorname{cm^2}$
Correct Answer: $180 \pi\operatorname{cm^2}$
Solution : The radius ($r$) of each cone = radius of the cylinder = 6 cm The height ($h$) of each cone = height of the cylinder = 8 cm The curved surface area of a cone, where $l$ is the slant height of the cone
Question : By selling a table for INR 1,596, Aarav loses 24%. At what price (in INR) should he sell it to gain 24%?
Option 1: 3,196
Option 2: 3,024
Option 3: 1,979
Option 4: 2,604
Correct Answer: 2,604
Solution : Given: By selling a table for INR 1,596, Aarav loses 24%. Use the formulas, Profit percentage = $\frac{\text{SP–CP}}{\text{CP}}\times 100$, Loss percentage = $\frac{\text{CP–SP}}{\text{CP}}\times 100$, where $SP$ and $CP$ are the selling price and the cost price. $24 = \frac{\text{CP–1596}}{\text{CP}}\times 100$ ⇒ $24 CP = 100
Question : Directions: Which of the following letter clusters will replace the question mark (?) in the given series to make it logically complete? KGB, JFA, IEZ, HDY, ?
Option 1: GKB
Option 2: GCX
Option 3: GCB
Option 4: BGK
Correct Answer: GCX
Solution : Given: KGB, JFA, IEZ, HDY, ?
In the above-given series, subtract 1 from the place value of each letter of the previous term to obtain the next term. KGB→K – 1 = J; G – 1 = F; B – 1 = A JFA→J –
Question : Who ruled Mysore under a subsidiary alliance with the British after the defeat of Tipu Sultan at the Battle of Seringapatam?
Option 1: Gangas
Option 2: Kadambas
Option 3: Pandyans
Option 4: Wodeyars
Correct Answer: Wodeyars
Solution : The correct answer is Wodeyars.
Wodeyars ruled Mysore under a subsidiary alliance with the British after the defeat of Tipu Sultan at the Battle of Seringapatam in 1799. The fourth Anglo-Mysore War of 1799 had decisive results. After the death of Tipu Sultan, his
Question : Which of the following are alternative names for the river "Brahmaputra"?
Option 1: Yamuna, Yarlung Zangbo and Tsangpo
Option 2: Yamuna, Meghna ,Tsangpo and Yamuna
Option 3: Jamuna, Siang, Yarlung Zangbo and Tsangpo
Option 4: Jamuna, Siang, Yarlung Zangbo, Meghna and Tsangpo
Correct Answer: Jamuna, Siang, Yarlung Zangbo, Meghna and Tsangpo
Solution : The correct answer is Jamuna, Siang, Yarlung Zangbo, Meghna and Tsangpo.
The Brahmaputra River originates from the Kailash range in the Himalayas and flows through Tibet, India and Bangladesh before descending into the Bay of Bengal. The river is
Question : Which Indian state is bordered by Bhutan and Arunachal Pradesh to the north, Nagaland and Manipur to the east, Meghalaya, Tripura, Mizoram and Bangladesh to the south and West Bengal to the west?
Option 1: Tripura
Option 2: Arunachal Pradesh
Option 3: Sikkim
Option 4: Assam
Correct Answer: Assam
Solution : The correct answer is Assam.
Assam is India's northeastern state. In 1950, Assam was created as a part of India. Dispur is the capital of Assam. Assamese is the official language of Assam. Bihu is the main festival in Assam. It is well-known for
Question : The value of $(2a+b)^{2}-(2a-b)^{2}$ is:
Option 1: $8ab$
Option 2: $–8ab$
Option 3: $8a^{2}+2b^{2}$
Option 4: $8a^{2}–2b^{2}$
Correct Answer: $8ab$
Solution : Given: $(2a+b)^{2}–(2a–b)^{2}$ We know that: $a^2-b^2=(a+b)(a-b)$ Applying this to expression, we have, = $(2a+b+2a-b)(2a+b-2a+b)$ = $(4a)(2b)$ = $8ab$ Hence, the correct answer is $8ab$.
Question : Select the most appropriate meaning of the given idiom. Crying wolf
Option 1: To be in pain by getting hit by something
Option 2: To frighten someone in your comfort zone
Option 3: To ask for help when you don’t need it
Option 4: To cry over little things that don’t matter
Correct Answer: To ask for help when you don’t need it
Solution : The right choice is the third option.
The idiom crying wolf means to give a false alarm or to raise a false alarm about a situation, usually repeatedly, which may lead others to ignore or disbelieve
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