Staff Selection Commission Combined Higher Secondary Level Exam
Question : Which one of the following is not a coal variety?
Option 1: Lignite
Option 2: Bituminous
Option 3: Dolomite
Option 4: Peat
Correct Answer: Dolomite
Solution : The correct option is Dolomite.
Dolomite is not a coal variety. Dolomite is a type of limestone. It contains a significant amount of calcium and magnesium carbonate. Other minerals are also present in it. Calcium carbonate makes up 60% of dolomite, whereas magnesium carbonate makes
Question : Which language was mostly used for the propagation of Buddhism?
Option 1: Sanskrit
Option 2: Prakrit
Option 3: Pali
Option 4: Shauraseni
Correct Answer: Pali
Solution : The correct answer is Pali.
Buddha conveyed his teachings in Pali, a Middle Indo-Aryan language spoken by common people. Pali, part of the Prakrit group, is renowned as the language of early Buddhist scriptures found in the Pali Canon. It also served as the liturgical
Question : One man or two women or three boys can do a piece of work in 88 days. One man, one woman, and one boy will do it in:
Option 1: 44 days
Option 2: 24 days
Option 3: 48 days
Option 4: 20 days
Correct Answer: 48 days
Solution : Time taken by 1 man or 2 women or 3 boys to do work = 88 days Time taken by 1 man = 88 days Efficiency of 1 man = $\frac{1}{88}$ Efficiency of 1 man = efficiency of 2 women = efficiency of 3
Question : Directions: Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements. Statements: Some daisies are lilies. All roses are lilies. Some tulips are daisies. Conclusions: (I) Some lilies are tulips. (II) Some roses are daisies.
Option 1: Only conclusion (II) follows
Option 2: Only conclusion (I) follows
Option 3: Both conclusions (I) and (II) follow
Option 4: Neither conclusion (I) nor (II) follows
Correct Answer: Neither conclusion (I) nor (II) follows
Solution : The possible Venn diagram according to the given statements is as follows –
Let's analyse the conclusions – Conclusion (I): Some lilies are tulips – From the Venn diagram, it is evident that there is no direct relation between lilies
Question :
Directions: In the following question, select the related word from the given alternatives. Fan : Wings :: Wheel : ?
Option 1: Cars
Option 2: Air
Option 3: Spokes
Option 4: Round
Correct Answer: Spokes
Solution : Given: Fan : Wings :: Wheel : ?
Like, wings are an important part of the fan. Similarly, each spoke is a bar or wire rod that connects the centre of a wheel to its outer edge and is an important part of a wheel.
Question : A ______________account is maintained by an Indian Bank in a foreign country usually in the currency of that country to carry out transactions there.
Option 1: NOSTRO
Option 2: VOSTRO
Option 3: LIBOR
Option 4: MIBOR
Correct Answer: NOSTRO
Solution : The correct option is NOSTRO.
A NOSTRO account is an account maintained by an Indian bank in a foreign country, typically denominated in the currency of that country. The primary purpose of establishing a NOSTRO account is to facilitate and conduct transactions in that foreign
Question : If $a =\cot A+\cos A$ and $b =\cot A-\cos A$, then find the value of $a^2-b^2-4 \sqrt{ab}$.
Option 1: 0
Option 2: –1
Option 3: 1
Option 4: –4
Correct Answer: 0
Solution : $a =\cot A+\cos A$ $b =\cot A-\cos A$ We have to find the value of $a^2-b^2-4 \sqrt{ab}$. $= (\cot A+\cos A)^{2}-(\cot A-\cos A)^{2}-4\sqrt{(\cot A+\cos A)(\cot A-\cos A)}$ $= \cot^{2} A+\cos^{2} A+2\cot A\times \cos A-(\cot^{2} A+\cos^{2} A-2\cot A\times \cos A)-4\sqrt{\cot^{2}A-\cos^{2}A}$ $= (\cot^{2} A+\cos^{2} A+2\cot A\times \cos
Question : A circle is circumscribing a triangle whose sides are 30 cm, 40 cm, and 50 cm. Find the circumference of the circle.
Option 1: $75 \pi$ cm
Option 2: $25 \pi$ cm
Option 3: $100 \pi$ cm
Option 4: $50 \pi$ cm
Correct Answer: $50 \pi$ cm
Solution : Given, the sides of the triangle are 30 cm, 40 cm, and 50 cm. 30 cm, 40 cm, and 50 cm form a pythagorean triplet. In a right triangle, the circumradius (radius of the circle circumscribing the triangle) is half the length of
Question : Directions: In this question, a sentence is given with a blank to be filled in with an appropriate word. Four alternatives are suggested for each question. Choose the correct alternative out of the four alternatives.
The Prime Minister insisted ____ fuel prices in the Cabinet meeting.
Option 1: to raise
Option 2: on raising
Option 3: in raising
Option 4: at raising
Correct Answer: on raising
Solution : The correct choice to fill in the blank is the third option.
The preposition "on" should be used before "raising" in the sentence to make it grammatically accurate and convey the intended meaning. The gerund form of "raise" is correct as it tells us
Question : Which of the following is not a tributary of River Kaveri?
Option 1: Musi
Option 2: Bhavani
Option 3: Hemavati
Option 4: Kabini
Correct Answer: Musi
Solution : The correct option is Musi.
The Musi River is not a tributary of the Kaveri River. The Musi River is a tributary of the Krishna River, which flows through the states of Telangana and Andhra Pradesh. The Kaveri River, also known as the Cauvery
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