Staff Selection Commission Combined Graduate Level Exam
Question : Select the correct active form of the given sentence. The football match was being watched by the boys.
Option 1: The football match was watching the boys.
Option 2: The boys had been watching the football match.
Option 3: The boys were watching the football match.
Option 4: The boys are watching the football matching.
Correct Answer: The boys were watching the football match.
Solution : The correct choice is the third option.
The active form of a sentence emphasises the subject performing the action. In an active sentence structure, the subject of the sentence acts upon the object.
The structure of the sentence in
Question : Select the option that expresses the given sentence in reported speech. The teacher says, “Every action has an equal and opposite reaction.”
Option 1: The teacher says every action had an equal and opposite reaction.
Option 2: The teacher said that every action had an equal and opposite reaction.
Option 3: The teacher said that every action has an equal and opposite reaction.
Option 4: The teacher says that every action has an equal and opposite reaction
Correct Answer: The teacher says that every action has an equal and opposite reaction
Solution : The fourth option is the correct choice.
The steps of conversion are as follows:
Question : In the given figure, a circle is inscribed in $\triangle$PQR, such that it touches the sides PQ, QR and RP, at points D, E, and F, respectively. If the lengths of the sides PQ = 18 cm, QR = 13 cm, and RP = 15 cm, find the length of PD.
Option 1: 10 cm
Option 2: 8 cm
Option 3: 15 cm
Option 4: 12 cm
Correct Answer: 10 cm
Solution : Given: PQ = 18 cm, QR = 13 cm, and RP = 15 cm We know that two tangents to a circle from the same external point are equal. So, PF = PD Let the length of PD be $x$. DQ = $18-x$ =
Question : Name an alkylbenzene widely used as a chemical intermediate in the production of phenol.
Option 1: Cumene
Option 2: Furan
Option 3: Styrene
Option 4: Toluene
Correct Answer: Cumene
Solution : The correct option is Cumene.
Cumene is a common alkylbenzene used as a chemical intermediary in phenol synthesis. It is also known as isopropylbenzene. It is an aromatic hydrocarbon that consists of a benzene ring substituted with an isopropyl group. It is a significant
Question : A dishonest trader says to customers that he sells his goods at a cost price, but he uses a false weight and gains 12.5% as profit. How many grams does he use to weight 1 kg?
Option 1: 900 g
Option 2: 880.5 g
Option 3: 850 g
Option 4: 888.8 g
Correct Answer: 888.8 g
Solution : According to the formula, $12.5\% = [\frac{\text{Error}}{\text{1000 – Error}}] × 100$ ⇒ $\frac{1}{8} = [\frac{\text{Error}}{\text{1000 – Error}}]$ ⇒ $8\text{Error} = \text{(1000 – Error)}$ ⇒ $\text{8Error + Error} = 1000$ ⇒ $9\text{Error} = 1000$ ⇒ $\text{Error} = \frac{1000}{9}$ So, the trader gives $1000 - \frac{1000}{9}=\frac{8000}{9}=888.8$
Question : If $x = \sqrt[3]{5} + 2$, then the value of $x^3-6x^2+12x-13$ is:
Option 1: $–1$
Option 2: $1$
Option 3: $2$
Option 4: $0$
Correct Answer: $0$
Solution : $x = \sqrt[3]{3} + 2$ ⇒ $x - 2 = \sqrt[3]{5}$ By cubing on both the sides, $⇒x^3-6x^2+3x (-2)^2-2^3=5$ [since $(a - b)^3 = a^3 - 3a^2b + 3ab^2 - b^3$] $⇒x^3-6x^2+12x-8-5=0$ $⇒x^3-6x^2+12x-8-5=0$ $⇒x^3-6x^3+12x-13=0$ Hence, the correct answer is $0$.
Question : Select the option that can be used as a one-word substitute for the given group of words. A formal statement testifying to someone's character and qualifications
Option 1: Document
Option 2: Affidavit
Option 3: Testimonial
Option 4: Manuscript
Correct Answer: Testimonial
Explanation: A testimony is a formal statement testifying to someone's character and qualifications. While all the options relate to written statements or documents, a testimonial specifically refers to a formal statement that attests to someone's character or
Question : 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 Maasais live in (1)_____ very beautiful part of Africa. They live on the wide plains in southern and northern Kenya and northern Tanzania. The area (2)____of miles of rolling grass land, on which you can find thorny bushes and rocky hills. The people move from one place to another according to the seasons, looking for grasses and other plants (3)_____ which their cattle can graze. They have no permanent home. When they want to settle in a place for some time, they build a kind of camp called a 'Manyatta', where a few families live for a (4)____ weeks or months. Then they move on again, taking their few (5)_____ with them, and burning the old 'Manyatta' to the ground.
Question
Select the most appropriate option to fill in blank number 5.
Option 1: inhibitions
Option 2: experiences
Option 3: antiques
Option 4: belongings
Correct Answer: belongings
Solution : The correct choice is the fourth option.
In the context of people moving from one place to another, the term belongings refers to the things that they own or possess, which they take with them. It makes sense in the context of the Maasais moving
Question : Comprehension:
In the following passage, some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each number.
The working of the stomach was (1) _____ by a strange accident. In 1822, a man named Alexis St. Martin was (2) _____ hit by a shotgun. The bullet had seriously (3) _____ the chest wall and made a hole in (4)_____ stomach. He was brought to an American army (5) _____ William Beaumont. The doctor saved the patient but he (6) ______ not close the hole properly. Beaumont took it as a (7) ______ opportunity to see the inside of the stomach (8) ______ the hole. He made some wonderful observations. Beaumont (9) ______ that the stomach was churning food. Its wall secreted a fluid (10) ______ could digest the food. He also observed that the end of the stomach opens into the intestine only after the digestion of the food inside the stomach is completed.
Question:
Select the most appropriate option to fill in the blank No. 7.
Option 1: strong
Option 2: fast
Option 3: countless
Option 4: great
Correct Answer: great
Explanation:
The word great in this context conveys that Beaumont viewed the opportunity to observe the inside of the stomach as significant, valuable, or highly favourable. It emphasises the importance or magnitude of the chance he had
Question : Directions: Select the odd group of numbers. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 –operations on 13 such as adding/subtracting /multiplying etc. 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)
Option 1: 18 - 329
Option 2: 16 – 263
Option 3: 14 – 201
Option 4: 12 – 149
Correct Answer: 16 – 263
Solution : Let's check the options – First option: 18 – 329; 182 + 5 = 324 + 5 = 329 Second option: 16 – 263; 162 + 5 = 256 + 5= 261 ≠ 263 Third option: 14 – 201; 142
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