Staff Selection Commission Combined Graduate Level Exam
Question : Select the INCORRECTLY spelt word.
Option 1: Cemetery
Option 2: Accommodate
Option 3: Intruder
Option 4: Neccessary
Correct Answer: Neccessary
Solution : The misspelt word lies in the fourth option.
The correct spelling is necessary, which means something that needs to be done.
Question : Directions: Arrange the following words as per order in the dictionary: 1. Ambitions 2. Ambiguous 3. Ambiguity 4. Animation 5. Animal
Option 1: 3, 2, 4, 1, 5
Option 2: 3, 2, 5, 4, 1
Option 3: 3, 2, 1, 5, 4
Option 4: 3, 2, 4, 5, 1
Correct Answer: 3, 2, 1, 5, 4
Solution : Given: 1. Ambitions 2. Ambiguous 3. Ambiguity 4. Animation 5. Animal
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 2: The second
Question : Comprehension: In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank. Since the 17th century, manure has been utilised in agriculture. In those days, they didn't know how plants got the (1)______ they needed. They would toss wood debris, fish remains, and other side effects in an unfilled land to dispose of them. However, it wasn't long before people began to notice that the grass, bushes, and shrubs there were beginning to (2)_______. They came to the conclusion that the soil supplied the plants with the nutrients they needed and that organic remains could aid in this process. Because manure is (3)________ from animals and plants, it not only provides a wide range of plant nutrients but also improves the structure of the soil. Farmers gradually began using fertilisers as well because they understood that if their farmlands were treated in a similar manner, the growth of their crops would also improve. It bonds the soil particles together to form soil crumbs, which are necessary for cultivating soil. Additionally, the addition of manure to the soil aids in the prevention of soil erosion and the loss of plant nutrients during precipitation. Commercial fertilisers, in contrast to manure, are inorganic (4)________ that do not alter the structure of the soil. Their function is to provide the sprouting plants with additional nutrients. A farmer ought to know when and how to apply a particular kind of fertiliser. When the plants require a particular nutrient the most, use it. If fertilisers haven't been added correctly to the soil, their roots won't be able to take in a lot. Rainwater could wash away these fertilisers, or they could end up (5)________ the plants instead, costing the farmer money. Select the most appropriate option to fill in the blank no. 3.
Option 1: extracted
Option 2: constructed
Option 3: derived
Option 4: build
Correct Answer: derived
Solution : The correct choice is the third option.
To derive means to obtain or receive something from a source, which accurately describes how manure is obtained from animals and plants for agricultural use.
The meanings of other options are as follows:
Extracted means removing something
Question : Let $x$ be the least number which when subtracted from 10424 gives a perfect square number. What is the least number by which $x$ should be multiplied to get a perfect square?
Option 1: 3
Option 2: 2
Option 3: 6
Option 4: 5
Correct Answer: 5
Solution : 10404 is a perfect square nearest to 10424. So, 20 should be subtracted from 10424 to get the perfect square. $\therefore$ $x$ = 20 Prime factors of 20 = 2 × 2 × 5 So, $x$ should be multiplied by 5 to get the perfect
Question : Pratima and Diksha can complete typing work separately in 10 hours and 15 hours, respectively. After typing for 4 hours alone, Pratima leaves the work. In how many hours will Diksha complete the remaining typing work?
Option 1: 8
Option 2: 10
Option 3: 9
Option 4: 7
Correct Answer: 9
Solution : Pratima can complete typing work separately in = 10 hours Diksha can complete typing work separately in = 15 hours Let total Work = LCM (10, 15) = 30 units Efficiency of Pratima = $\frac{30}{10}$ = 3 units Efficiency of Diksha = $\frac{30}{15}$ = 2
Question : If the speed of a boat in still water is 20 km/hr and the speed of the current is 5 km/hr, then the time taken by the boat to travel 100 km with the current is:
Option 1: 2 hours
Option 2: 3 hours
Option 3: 4 hours
Option 4: 7 hours
Correct Answer: 4 hours
Solution : Given: Distance = 100 km Speed of boat in still water = 20 km/hr Speed of current = 5 km/hr The speed of the boat with the current = Speed of boat in still water + Speed of current = 20 + 5 =
Question : Directions: Three of the following letter clusters are alike in some manner and hence, form a group. Which letter cluster does not belong to that group?
Option 1: WDLF
Option 2: YBXR
Option 3: PKSM
Option 4: IRMT
Correct Answer: IRMT
Solution : Let's check each option – First Option: WDLF; W and D are opposite pairs; L – 6 = F Second Option: YBXR; Y and B are opposite pairs; X – 6 = R Third Option: PKSM; P and K are opposite pairs; S – 6
Question : Each member of a club contributes an amount in rupees and paise equal to the number of members in the club. If the total contribution is Rs. 2525, then what is the number of members in the club?
Option 1: 60
Option 2: 45
Option 3: 55
Option 4: 50
Correct Answer: 50
Solution : Let the number of members be $x$. So each member contributes $x$ rupees and $x$ paise. According to the given information, $x × x + x × \frac{x}{100}= 2525$ ⇒ $x^2 + \frac{x^2}{100} = 2525$ ⇒ 101$x^2= 252500$ ⇒ $x^2= 2500$ ⇒ $x = 50$
Question : A is 20% more efficient than B. How much time will they working together take to complete a job which A alone could have done in 29 days?
Option 1: $\frac{145}{11}$ days
Option 2: $\frac{116}{11}$ days
Option 3: $\frac{203}{11}$ days
Option 4: $\frac{174}{11}$ days
Correct Answer: $\frac{174}{11}$ days
Solution : According to the question, The efficiency of A is 20% more than that of B Let the efficiency of B be 100% $\therefore$ The efficiency of A = 120% of the efficiency of B ⇒ Efficiency of A = $\frac{6}{5}$ of efficiency of B
Question : Who is the-author of the book "No Full Stops in India"?
Option 1: R.K. Narayan
Option 2: Ved Mehta
Option 3: Nirad C. Choudhuri
Option 4: Mark Tolly
Correct Answer: Mark Tolly
Solution : The Correct Answer is Mark Tolly
Ten essays from Mark Tolly's collection "No Full Stops in India" are based on the author's diaries from his time living in India. Tolly, a multiple award winner, has written nine books. He belongs to the Oriental Club.
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