Staff Selection Commission Combined Graduate Level Exam
Question : A hotel is giving a discount of 12% on the booking of 2 or more rooms. Additionally, the hotel is offering a 5% discount only on payment using any card of SBI. Rakesh booked 2 rooms in the hotel for a day at the rate of Rs. 1,500 per room per day. While checking out, he paid the bill using an SBI Silver Card. How much amount did he have to pay?
Option 1: Rs. 2,498
Option 2: Rs. 1,254
Option 3: Rs. 2,508
Option 4: Rs. 2,618
Correct Answer: Rs. 2,508
Solution : Price after the first discount = (1500 × 2) × 88% = 3000 × 88% = Rs. 2640 Price after the second discount = 2640 × 95% = Rs. 2508 Hence, the correct answer is Rs. 2,508.
Question : HIV often changes its shape due to the presence of an enzyme called
Option 1: Reverse Transcriptase
Option 2: Enterokinase
Option 3: Nucleotidase
Option 4: Nucleoditase
Correct Answer: Reverse Transcriptase
Solution : The correct answer is Reverse Transcriptase.
HIV is known as Human Immunodeficiency Virus. It is a single stranded RNA virus. When it enters in the human body through the contact with body fluids, then with the help of Reverse Transcriptase enzyme it is converted
Question : Comprehension: Read the following passage and answer the questions given after it. In the late 18th century the Industrial Revolution began to transform life in Britain. Until then, most people lived in the countryside and made their living from farming. By the mid-19th century, most people in Britain lived in towns and made their living from mining or manufacturing industries. In 1712 a man named Thomas Newcomen (1663-1729) made primitive steam engines for pumping water from mines. In 1769 James Watt (1736-1819) patented a more efficient steam engine. In 1785 his engine was adapted to driving machinery in a cotton factory. The use of steam engines to drive machines slowly transformed the industry. Meanwhile, during the 1700s Britain built up a great overseas empire. The North American colonies were lost after the War of Independence 1776-1783. On the other hand, after the Seven Years' War 1756-1763, Britain captured Canada and India. Britain also took Dominica, Grenada, St. Vincent and Tobago in the West Indies. In 1707 the Act of Union was passed. Scotland was united with England and Wales. England became part of Great Britain. Owning land was the main form of wealth in the 18th century. Political power and influence were in the hands of rich landowners. At the top were the nobility. Below them were a class of nearly rich landowners called the gentry. In the early 18th century there were another class of landowners called yeomen who were small landowners, described as farmers of the middle class. However, during the century this class became less and less numerous. However other middle class people such as merchants and professional men became richer and more numerous, especially in the towns. Below them were the great mass of the population, craftsmen and labourers. In the 18th century, probably half the population lived at subsistence or bare survival levels. In the early 18th century England suffered from gin drinking. It was cheap and it was sold everywhere as you did not need a license to sell it. Many people ruined their health by drinking gin. Sadly, for many poor people drinking gin was their only comfort. The situation improved after 1751 when a tax was imposed on gin. At the end of the 17th century, it was estimated the population of England and Wales was about 5 1/2 million. The population of Scotland was about 1 million. The population of London was about 600,000. In the mid-18th century, the population of Britain was about 6 1/2 million. In the late 18th century it grew rapidly and by 1801 it was over 9 million. The population of London was almost 1 million. During the 18th century, towns in Britain grew larger. Nevertheless, most towns still had populations of less than 10,000. However, in the late 18th century new industrial towns in the Midland and the North of England mushroomed. Meanwhile, the population of London grew to nearly 1 million by the end of the century. Other towns were much smaller. The population of Liverpool was about 77,000 in 1800. Birmingham had about 73,000 people and Manchester had about 70,000. Bristol had a population of about 68,000. Sheffield was smaller with 31,000 people and Leeds had about 30,000 people. Question: In the early 18th century, people in England drank a lot of gin because of which of the following reasons? a. It was cheap. b. It was easily available. c. For many poor people drinking gin was their only comfort.
Option 1: Only a and b are correct.
Option 2: Only b and c are correct.
Option 3: Only a and c are correct.
Option 4: a, b and c all are correct.
Correct Answer: a, b and c all are correct.
Solution : The right choice is the fourth option.
In early 18th-century England, gin was popular because:
Question : Directions: Prem starts to walk to school from his house and walks 400 metres to the north turns left and walks 100 metres; turns left and walks 200 metres and then turns left and walks 100 metres. How far is he away from his house?
Option 1: 100 metres
Option 2: 300 metres
Option 3: 200 metres
Option 4: 250 metres
Correct Answer: 200 metres
Solution : Firstly, we will draw the diagram as per the given instructions –
Now, we have to find the distance between the house and the endpoint.
In the above figure, O is the starting point and D is the finishing point. So, OD is the
Question : Select the option that will improve the underlined part of the given sentence. In case no improvement is needed, select 'No improvement required'.
The soldiers would not have surrendered if they not ran out of ammunition.
Option 1: did not ran out
Option 2: had not run out
Option 3: do not run out
Option 4: no improvement required
Correct Answer: had not run out
Solution : The correct choice is the second option.
The sentence is in the past perfect tense (would not have surrendered), so the relative clause referring to running out of ammunition should also be in the past perfect tense. Thus, the phrase had
Question : Directions: Select the option that represents the correct order of the given words as they would appear in an English dictionary. 1. Submerse 2. Sublimity 3. Submerge 4. Submit 5. Submarine
Option 1: 5, 3, 2, 4, 1
Option 2: 2, 5, 4, 1, 3
Option 3: 2, 3, 5, 1, 4
Option 4: 2, 5, 3, 1, 4
Correct Answer: 2, 5, 3, 1, 4
Solution : Given: 1. Submerse 2. Sublimity 3. Submerge 4. Submit 5. Submarine
Step 1: Compare the first letter of all the words. Since all the words start with the same letter S, then move on to the next letter. Step 2:
Question : The three medals that Indians won in the Beijing Olympic were in
Option 1: Shooting , Boxing and Wrestling
Option 2: Shooting , Boxing and Archery
Option 3: Shooting , Wrestling and Tennis
Option 4: Shooting , Boxing and Hockey
Correct Answer: Shooting , Boxing and Wrestling
Solution : The correct option is - Shooting , Boxing and Wrestling.
India won medals in the sports of boxing, shooting, and wrestling at the 2008 Summer Olympics in Beijing. Abhinav Bindra won the gold medal in the men's 10 m air rifle
Question : A four-digit number abba is divisible by 4 and a < b. How many such numbers are there?
Option 1: 10
Option 2: 8
Option 3: 12
Option 4: 6
Correct Answer: 8
Solution : A four-digit number abba Divisibility Rule of 4: A number will be divisible by 4 if the last two digits of the number are divisible by 4 Here, ba should be divisible by 4 with a < b. ⇒ Possibilities: 32, 52, 72, 92, 64,
Question : Directions: In the following question, some parts of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If the sentence is free from error, select "No Error."
My lawn (1) / which is overgrown (2) / needs wedding. (3) / No Error (4)
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (3)
Solution : In the third part, "wedding" is incorrect. It should be "weeding" which means removal of weeds from the lawn.
"Wedding" is a completely different word which means ceremonial celebration of a marriage and doesn't fit in the context of the sentence.
The correct sentence
Question : Work done by 8 men is completed in 10 days. The same work can be completed in 12 days when done by 10 women. How many days will they take to complete when 4 men and 4 women are employed to perform the same job?
Option 1: 12
Option 2: 6
Option 3: 10
Option 4: 8
Correct Answer: 12
Solution : 8 men complete a work in 10 days. The work rate of one man = $\frac{1}{8\times 10}= \frac{1}{80}$ 10 women complete a work in 12 days. The work rate of one woman = $\frac{1}{10\times 12}= \frac{1}{120}$ 4 men's work rate + 4 women's work rate
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