Staff Selection Commission Combined Higher Secondary Level Exam
Question : Directions: In the following question, a sentence is given with a blank that is to be filled in with an appropriate word. Four alternatives are suggested; choose the correct alternative out of them as your answer.
Since last year his condition has been ___.
Option 1: Deteriorate
Option 2: Deteriorating
Option 3: Severely deteriorated
Option 4: Deterioratingly
Correct Answer: Deteriorating
Solution : The second option is the correct choice.
''Deteriorating'' should be used, as it is in the present perfect continuous tense form, and helps convey that a person's condition was bad last year and has been worsening since then.
The meanings of the other options are
Question : In $\triangle \mathrm{XYZ}$, I is the incentre of the $\triangle \mathrm{XYZ}$. If $\angle \mathrm{XYZ}=40$$^\circ$, then what is the value of $\angle \mathrm{XIZ}$?
Option 1: 110$^\circ$
Option 2: 130$^\circ$
Option 3: 115$^\circ$
Option 4: 120$^\circ$
Correct Answer: 110$^\circ$
Solution : Given, I is the incentre of the $\triangle \mathrm{XYZ}$. $\angle \mathrm{XYZ}=40^\circ$ Since angle formed at incentre opposite to any side of triangle = $90^\circ+\frac{1}{2}\times$ (Angle opposite to that side of triangle) So, $\angle \mathrm{XIZ} = 90^\circ+\frac{1}{2}\times \angle \mathrm{XYZ}$ = $90^\circ+\frac{1}{2}\times 40^\circ$ = $90^\circ+20^\circ$ = $110^\circ$
Question : Directions: Select the correct mirror image of the given figure when the mirror is placed at MN as shown.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : As per mirror image properties, closer things appear closer to the mirror in reflection. Here, according to the information provided, the mirror is placed at the bottom of the figure (on line MN). So, the top of the reflected image will appear as the bottom, and
Question : Direction: The following pie chart shows the percentage distribution of the expenditure incurred in publishing a book. Read the pie chart and answer the question.
The royalty of the book is less than the printing cost by how much percent?
Option 1: 20%
Option 2: 5%
Option 3: 25%
Option 4: 33.33%
Correct Answer: 25%
Solution : Printing cost percentage – Royalty cost percentage = 20% – 15% = 5% So, the difference in percentage $=\frac{5}{20}×100=25\%$ Hence, the correct answer is 25%.
Question : Parts of a sentence are given below in jumbled order. Arrange the parts in the correct order to form a meaningful sentence.
A. before the movie starts B. should be there C. at least fifteen minutes D. the theatre management recommends E. the audience
Option 1: AEDCB
Option 2: DEBCA
Option 3: EBCAD
Option 4: BDCEA
Correct Answer: DEBCA
Solution : The correct choice is the second option.
The sentence starts with part (D) which introduces the subject, "The theatre management" and states its action. It is followed by part (E), which is the object here. It is further followed by parts (B) and (C)
Question : Directions: In the following question, four number pairs are given. In each pair, the number on the left side of (–) is related to the number on the right side of (–) with some Logic/Rule/Relation. Three pairs are similar based on the same Logic/Rule/Relation. Select the odd one out from the given alternatives. (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. to 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: 13 – 163
Option 2: 9 – 77
Option 3: 18 – 320
Option 4: 24 – 572
Correct Answer: 13 – 163
Solution : Let's check each option – First option: (13 – 163); 132 – 4 = 169 – 4 = 165 ≠ 163 Second option: (9 – 77); 92 – 4 = 81 – 4 = 77 Third option: (18 – 320); 18
Question : Rishu wants to input data into the computer by pressing the keys. Which input device should he use?
Option 1: Keyboard
Option 2: Scanner
Option 3: Joystick
Option 4: Light Pen
Correct Answer: Keyboard
Solution : The correct answer is Keyboard.
A keyboard is an input device that is used to enter characters into the computer system by pressing keys. It is known as the primary device used to input text by pressing keys or buttons. On the keyboard, there are
Question : Directions: In the following question, select the one which is different from the other three alternatives.
Option 1: 2518
Option 2: 3249
Option 3: 2709
Option 4: 8314
Correct Answer: 8314
Solution : Let's check the options – First option: 2518; 2 + 5 + 1 = 8 Second option: 3249; 3 + 2 + 4 = 9 Third option: 2709; 2 + 7 + 0 = 9 Fourth option: 8314; 8 + 3 + 1 = 12
Question : The average of 100 observations was calculated as 35. It was found later, that one of the observations was misread as 83 instead of 53. The correct average is:
Option 1: 32.7
Option 2: 34.7
Option 3: 35.7
Option 4: 36.7
Correct Answer: 34.7
Solution : Given: An average of 100 observations = 35 One observation was misread as 83 instead of 53. The correct average will be: $\frac{100\times 35 - (83 - 53)}{100}$ = $\frac{3500 - 30}{100}$ = $\frac{3470}{100}$ = 34.7 Hence, the correct answer is 34.7.
Question : Directions: NPQS is related to JLMO in a certain way based on the English alphabetical order. In the same way, JLMO is related to FHIK. To which of the following is PRSU related, following the same logic?
Option 1: LQON
Option 2: LQNO
Option 3: LNOQ
Option 4: LOQN
Correct Answer: LNOQ
Solution : Given: NPQS is related to JLMO, and JLMO is related to FHIK.
Subtract 4 from the place value of the letters of NPQS and JLMO to get their respective codes. NPQS→N – 4 = J; P – 4 = L; Q – 4 = M;
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