Staff Selection Commission Combined Graduate Level Exam
Question : What is the sum of all prime numbers between 60 and 80?
Option 1: 272
Option 2: 284
Option 3: 351
Option 4: 414
Correct Answer: 351
Solution : Prime numbers between 60 and 80 are: 61, 67, 71, 73, 79 Sum = 61 + 67 + 71 + 73 + 79 = 351 Hence, the correct answer is 351.
Question : Select the most appropriate synonym of the word given in brackets to fill in the blank.
She looked _____ (luminous) in the diamond necklace.
Option 1: impudent
Option 2: strident
Option 3: transcendent
Option 4: resplendent
Correct Answer: resplendent
Solution : The correct choice is the fourth option.
Luminous means emitting light or shining brightly and resplendent means shining brilliantly or being dazzling in appearance, which makes it a synonym for "luminous" in the context of someone looking beautiful in a diamond necklace.
The meanings of
Question : A can do $\frac{1}{3}$ of a work in 30 days. B can do $\frac{2}{5}$ of the same work in 24 days. They worked together for 20 days. C completed the remaining work in 8 days. Working together A, B and C will complete the same work in:
Option 1: 15 days
Option 2: 10 days
Option 3: 18 days
Option 4: 12 days
Correct Answer: 12 days
Solution : A can do $\frac{1}{3}$ of a work in 30 days. So, A can finish the complete work in 90 days if working alone. ⇒ 1 day work of A = $\frac{1}{90}$ B can do $\frac{2}{5}$ of a work in 24 days. So, A can
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. 9.
Option 1: acquired
Option 2: found
Option 3: imagined
Option 4: obtained
Correct Answer: found
Solution : The correct choice is the second option.
Explanation:
The word found implies that Beaumont discovered or observed through his investigations that the stomach was actively churning food. It suggests a result obtained through direct observation or research, indicating that Beaumont came to this conclusion
Question : Directions: From the given alternative words, select the word that cannot be formed using the letters of the given word. DHARAMSALA
Option 1: MASALA
Option 2: ARAMANA
Option 3: RAMA
Option 4: SAHARA
Correct Answer: ARAMANA
Solution : Given: DHARAMSALA
Now, let's compare all the option words with the word DHARAMSALA – First option: MASALA; All the letters of MASALA are present in the word DHARAMSALA. Second option: ARAMANA; All the letters of ARAMANA are not present in the word DHARAMSALA. N is
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.
Human activities are changing Earth's natural greenhouse 1. _________. Burning fossil fuels like coal and oil puts 2. _________carbon dioxide into our atmosphere. NASA has 3.__________increase in the amount of carbon dioxide and some other greenhouse gases in 4. ___________atmosphere. Too much of these greenhouse gases can 5. __________Earth's atmosphere to trap more and more heat. This causes Earth to warm up.
Question: Select the most appropriate option to fill in the blank No. 4.
Option 1: its
Option 2: our
Option 3: their
Option 4: ours
Correct Answer: our
Solution : The second option is correct.
Explanation: Here, in the sentence, some other greenhouse gases refer to gases besides carbon dioxide that contribute to the greenhouse effect. And in our atmosphere specifies the location of these gases. Our is used to denote possession or association
Question : If $3\sqrt{\frac{1-a}{a}}+9=19-3\sqrt{\frac{a}{1-a}};$ then, what is the value of $a?$
Option 1: $\frac{3}{10}$ and $\frac{7}{10}$
Option 2: $\frac{1}{10}$ and $\frac{9}{10}$
Option 3: $\frac{2}{5}$ and $\frac{3}{5}$
Option 4: $\frac{1}{5}$ and $\frac{4}{5}$
Correct Answer: $\frac{1}{10}$ and $\frac{9}{10}$
Solution : Put $\sqrt{\frac{(1 - a)}{a}} = x$ ⇒ $3x + 9 = 19 - \frac{3}{x}$ ⇒ $3x + \frac{3}{x} = 10$ ⇒ $x = 3, \frac{1}{3}$ Now, $\sqrt{\frac{(1 - a)}{a}} = 3$ ⇒ $\frac{(1 - a)}{a}= 9$ ⇒ $10a = 1$ ⇒ $a =
Question : Select the most appropriate meaning of the underlined idiom in the given sentence. The anxious duke was found strolling in the garden to and fro.
Option 1: From north to south
Option 2: From west to east
Option 3: Forward and backward
Option 4: Upward and downward
Correct Answer: Forward and backward
Solution : The correct choice is the third option.
The idiom "to and fro" is used to describe a back-and-forth or oscillating motion. In the sentence, the anxious duke is found "strolling in the garden to and fro" indicating a movement characterised by going
Read the given passage and answer the questions that follow.
Her name was Sulekha, but since her childhood, everyone had been calling her Bholi, the simpleton. She was the fourth daughter of Ramlal. When she was ten months old, she had fallen off the cot on her head and perhaps it had damaged some part of her brain. That was why she remained a backward child and came to be known as Bholi, the simpleton. At birth, the child was very fair and pretty. But when she was two years old, she had an attack of smallpox. Only the eyes were saved, but the entire body was permanently disfigured by deep black pockmarks. Little Sulekha could not speak till she was five as she was a slow learner, and when at last she learnt to speak, she stammered. The other children often made fun of her and mimicked her. As a result, she talked very little. Ramlal had seven children - three sons and four daughters, and the youngest of them was Bholi. It was a prosperous farmer's household and there was plenty to eat and drink. All the children except Bholi were healthy and strong. The sons had been sent to the city to study in schools and later in colleges. Of the daughters, Radha, the eldest, had already been married. The second daughter Mangla's marriage had also been settled, and when that was done, Ramlal would think of the third, Champa. They were good-looking, healthy girls, and it was not difficult to find bridegrooms for them. But Ramlal was worried about Bholi. She had neither good looks nor intelligence. From her very childhood, Bholi was neglected at home. She was seven years old when Mangla was married. The same year a primary school for girls was opened in their village. The Tehsildar sahib came to perform its opening ceremony. He said to Ramlal, "As a revenue official you are the representative of the government in the village and so you must set an example to the villagers. You must send your daughters to school." That night when Ramlal consulted his wife, she cried, "Are you crazy? If girls go to school, who will marry them?" But Ramlal had not the courage to disobey the Tehsildar. At last, his wife said, "I will tell you what to do. Send Bholi to school. As it is, there is little chance of her getting married, with her ugly face and lack of sense. Let the teachers at school worry about her."
Question: Why was Ramlal worried about Bholi?
Option 1: She was not willing to get educated.
Option 2: She was too old to get married.
Option 3: It would be difficult to arrange her marriage.
Option 4: It was difficult to comprehend her speech.
Correct Answer: It would be difficult to arrange her marriage.
Ramlal's worry about Bholi stemmed from her physical and intellectual challenges. She was disfigured by smallpox scars and was a slow learner, causing him concern about her prospects, especially for
Question : There is a number consisting of two digits, the digit in the unit place is twice that in the tens place and if 2 is subtracted from the sum of the digits, the difference is equal to $\frac{1}{6}$th of the number. The number is:
Option 1: 26
Option 2: 25
Option 3: 24
Option 4: 23
Correct Answer: 24
Solution : Let the tens digit be $x$. Then, the unit digit is $2x$. The number is given as $10x + 2x = 12x$. According to the question, ⇒ $\frac{1}{6}\times 12x = x + 2x -2$ ⇒ $2x=3x-2$ ⇒ $3x-2x = 2$ $\therefore x=2$ The number is
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