Staff Selection Commission Combined Higher Secondary Level Exam
Question : Directions: Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series. AB_N_DOPE_QR_HSTIJU_
Option 1: MCGIV
Option 2: CMGIV
Option 3: CMGFV
Option 4: MCFGV
Correct Answer: MCFGV
Solution : Given: AB _N_DOPE_QR _HSTIJU_
To fill the series we have to divide the series – AB / _N / _D / OP / E_ / QR / _H / ST / IJ / U_
Let's check each option – First option: MCGIV; AB /
Question : Select the option that expresses the given sentence in active voice.
The test was passed by only a few students.
Option 1: Only a few students passed the test.
Option 2: The test was not passed by many students.
Option 3: Many students did not pass the test.
Option 4: Very few students passed the test.
Correct Answer: Only a few students passed the test.
Solution : The correct choice is the first option.
Active voice emphasises the doer of the action, while passive voice emphasises the receiver. To convert active to passive, we make the subject perform the action and rephrase the verb.
The
Question : PM and PN are two tangents of a circle from an external point P. M and N are points on the circle. If PM = y2 – 9 and PN = 55, then what is the value of y?
Option 1: 64
Option 2: 17
Option 3: 8
Option 4: 12
Correct Answer: 8
Solution : PM and PN are two tangents of a circle from an external point P. Given: PM = $\text{y}^2$ – 9 and PN = 55 Tangents are equal in length if drawn from an outside point on the circle. According to the concept, PM = PN
Question : Who introduced leather token currency in India?
Option 1: Akbar
Option 2: Muhammad bin Tughluq
Option 3: Babur
Option 4: Humayun
Correct Answer: Muhammad bin Tughluq
Solution : The correct answer is Muhammad bin Tughluq.
The first use of leather money in India dates back to the 13th century. It was introduced as a mass-produced form of currency by the emperor Muhammad bin Tughluq. He was inspired by paper money
The dog was run over by a truck.
Option 1: A truck had run over the dog.
Option 2: A truck runs over the dog.
Option 3: A truck has run over the dog.
Option 4: A truck ran over the dog.
Correct Answer: A truck ran over the dog.
Solution : The correct option is "A truck ran over the dog."
Explanation: In active voice, the subject performs the action. Here, "a truck" is the subject, and it performs the action of running over the dog. This construction is more direct
Question : If $a+b=12, ab=22$, then $(a^2+b^2)$ is equal to:
Option 1: 188
Option 2: 144
Option 3: 34
Option 4: 100
Correct Answer: 100
Solution : Given: $a+b=12, ab=22$ We know, $(a+b)^2=a^2+b^2+2ab$ Putting the values, we get: $⇒12^2=a^2+b^2+2×22$ $\therefore a^2+b^2=100$ Hence, the correct answer is 100.
Question : A candidate who gets 20% marks in an examination, fails by 30 marks. But if he gets 32% marks, he gets 42 marks more than the minimum pass marks. Find the pass percentage of marks.
Option 1: 52%
Option 2: 20%
Option 3: 25%
Option 4: 12%
Correct Answer: 25%
Solution : Let the maximum marks be $x$. So, the passing mark = 20% of $x$ + 30 Also, the passing mark = ($\frac{32}{100} × x) - 42$ According to the question, ($\frac{20}{100} × x)+30$ = ($\frac{32}{100} × x) - 42$ ⇒ ($\frac{12}{100} × x) = 72$
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.
Nainital has a 1. _____ lake. Tourists come from far and wide to 2. _____ boating here. There is a skating place behind it. People who skate here say that the ride seems to go around with them. Evenings are also pleasant here. The 3. _____ of the electric lights look as if they are dancing in the ripples of the lake. Truly, Nainital is an 4. _____ city of 5. _____ beauty.
Question: Select the most appropriate option for blank 1.
Option 1: sagacious
Option 2: beautiful
Option 3: pleasing
Option 4: alluring
Correct Answer: beautiful
Solution : The correct choice is the second option.
Beautiful describes something that possesses qualities that delight the senses, especially visually, resulting in admiration or pleasure.
The meanings of the other options are as follows:
Question : If two pipes function simultaneously, a tank is filled in 12 hours. One pipe fills the tank 10 hours faster than the other. How many hours does the faster pipe alone take to fill the tank?
Option 1: 20 hours
Option 2: 18 hours
Option 3: 15 hours
Option 4: 12 hours
Correct Answer: 20 hours
Solution : Let the slower pipe alone can fill the tank in $x$ hours. Then, faster pipe alone can fill the tank in ($x$ – 10) hours. Part of the tank filled by the slower pipe in 1 hour = $\frac{1}{x}$ Part of the tank filled
Question : The example of hermaphrodite animal in which cross fertilzation occurs is:
Option 1: Hydra
Option 2: Ascaris
Option 3: Earthworm
Option 4: Silkworm
Correct Answer: Earthworm
Solution : The correct answer is Earthworm.
Earthworms have both male and female reproductive organs, making them hermaphrodites. They cannot, however, self-fertilize. They instead share sperm with each other during copulation.Cross-fertilization is required for offspring to be produced. This is due to the fact that hermaphrodite sperm
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