Staff Selection Commission Combined Graduate Level Exam
Question : Select the option that can be used as a one-word substitute for the given group of words. A huge building with a spacious area to house aircrafts.
Option 1: Airport
Option 2: Hanger
Option 3: Hangar
Option 4: House
Correct Answer: Hangar
Solution : The third option is the correct answer.
Hangar specifically refers to a large building with a spacious area designed for the storage and housing of aircraft. The term hangar is commonly used in aviation to describe a structure where aeroplanes are kept, maintained, and serviced.
Question : Directions: Four letter clusters have been given, out of which three are alike in some manner and one is different. Select the odd letter cluster.
Option 1: BFJN
Option 2: DHLP
Option 3: HJIK
Option 4: JNRV
Correct Answer: HJIK
Solution : Let's check each option – First option: BFJN→B + 4 = F; F + 4 = J; J + 4 = N Second option: DHLP→D + 4 = H; H + 4 = L; L + 4 = P Third option: HJIK→H + 2 =
Question : There are main types of cell division.
Option 1: 4
Option 2: 2
Option 3: 3
Option 4: 5
Correct Answer: 2
Solution : The correct option is 2.
There are two primary types of cell division. Mitosis, prevalent in eukaryotic cells with a nucleus, leads to two identical daughter cells. In multicellular organisms, it is vital to growth, development, and tissue repair.
Meiosis, on the other hand,
Question : If $x+\frac{1}{2 x}=3$, then evaluate $8 x^3+\frac{1}{x^2}$.
Option 1: 212
Option 2: 216
Option 3: 180
Option 4: 196
Correct Answer: 180
Solution : $x+\frac{1}{2x}=3$ On multiplying 2 on both sides, $⇒2x+\frac{1}{x}=6$ Now cubing both sides, we get, $⇒(2x+\frac{1}{x})^{3}=6^{3}$ $⇒8x^{3}+\frac{1}{x^3}+3(4x^2)(\frac{1}{x})+3(2x)(\frac{1}{x^2})=216$ $⇒8x^{3}+\frac{1}{x^3}+12x+\frac{6}{x}=216$ $⇒8x^{3}+\frac{1}{x^3} = 216-6(2x+\frac{1}{x})$ $⇒8x^{3}+\frac{1}{x^3} = 216-6(6)$ $⇒8x^{3}+\frac{1}{x^3} = 216-36$ $⇒8x^{3}+\frac{1}{x^3} = 180$ Hence, the correct answer is 180.
Question : The price of a variety of a commodity is INR 7 per kg and that of another is INR 12 per kg. Find the ratio in which two varieties should be mixed so that the price of the mixture is INR 10 per kg.
Option 1: 3 : 4
Option 2: 2 : 3
Option 3: 4 : 5
Option 4: 2 : 5
Correct Answer: 2 : 3
Solution : Given: The price of a variety of a commodity is INR 7 per kg and that of another is INR 12 per kg. The ratio in which two varieties should be mixed so that the price of the mixture is INR 10 per
Question : $\triangle PQR$ is an isosceles triangle and $PQ=PR=2a$ unit, $QR=a$ unit. Draw $PX \perp QR$, and find the length of $PX$.
Option 1: $\sqrt{5} a$
Option 2: $\frac{\sqrt{5} a}{2}$
Option 3: $\frac{\sqrt{10} a}{2}$
Option 4: $\frac{\sqrt{15} a}{2}$
Correct Answer: $\frac{\sqrt{15} a}{2}$
Solution : Given: $PQ = PR = 2a$ and $QR=a$ ⇒ $PX = \sqrt{(PQ^2 - (\frac{QR}{2})^2)}$ = $\sqrt{(4a^2 - \frac{a^2}{4})}$ = $\frac{\sqrt{15}a}{2}$ Hence, the correct answer is $\frac{\sqrt{15}a}{2}$.
Question :
Uric acid is the chief nitrogenous wastes in:
Option 1:
Frogs
Option 2:
Birds
Option 3: Fishes
Option 4: Mankind
Correct Answer:
Solution : The correct option is - Birds
The main nitrogenous waste produced by birds, reptiles, and insects is uric acid, while in mammals and frogs nitrogenous waste is in form of urea. Ammonia is excreted by fish.
Question : Select the correct indirect form of the given sentence. He exclaimed, “What a fine piece of architecture it is!”
Option 1: He exclaimed that what a fine piece of architecture it was.
Option 2: He exclaimed what a fine piece of architecture is it.
Option 3: He exclaimed was it a fine piece of architecture.
Option 4: He exclaimed that it was a fine piece of architecture.
Correct Answer: He exclaimed that it was a fine piece of architecture.
Solution : The correct choice is the fourth option.
The indirect form, also known as reported or indirect speech, involves reporting what someone else has said without quoting their exact words.
The steps of conversion are as follows:
Question : Directions: Select the option that represents the correct order of the given words as they would appear in an English dictionary. 1. Absurdly 2. Abstriction 3. Abstract 4. Absolutely 5. Abstain 6. Absorber
Option 1: 6, 4, 3, 5, 2, 1
Option 2: 4, 6, 3, 5, 1, 2
Option 3: 6, 4, 5, 3, 2, 1
Option 4: 4, 6, 5, 3, 2, 1
Correct Answer: 4, 6, 5, 3, 2, 1
Solution : Given: 1. Absurdly 2. Abstriction 3. Abstract 4. Absolutely 5. Abstain 6. Absorber
Step 1: Compare the first letter of each word. Since all the words start with the same letter A, move on to the next letter. Step
Question : The folk dance of Kummi is performed by the women of which Indian state?
Option 1: Rajasthan
Option 2: Madhya Pradesh
Option 3: Tamil Nadu
Option 4: Jharkhand
Correct Answer: Tamil Nadu
Solution : The correct option is Tamil Nadu.
Indian ladies from the Tamil Nadu state are the performers of the Kummi folk dance. In Tamil Nadu, kummi is a popular traditional dance that is frequently performed at weddings, festivals, and other social gatherings. Participants clap and
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