Staff Selection Commission Multi Tasking Staff Exam
Question : Directions: In a certain code language, RAT is written as SCW. How will COW be written in that language?
Option 1: DZQ
Option 2: DQZ
Option 3: DQR
Option 4: DYZ
Correct Answer: DQZ
Solution : Given: RAT is written as SCW.
Add consecutive natural numbers to the place values of the letters of RAT to obtain the code – R + 1 = S; A + 2 = C; T + 3 = W Thus, RAT is coded as SCW.
Question : Comprehension: In the following passage, some of the words have been deleted. Read the passage carefully and select the correct answer for the given blank out of the four alternatives. As an industrial solvent, pyridine is used in a (1)________ range of manufacturing processes. It is also a by-product of coking coal, a crucial (2)_______ for steel production. The Tees area was home to both steel and chemical (3)_______ and the discharge of contaminated effluent (4)________ the river and surrounding wetlands has been (5)_______ practice, often with minimal or no treatment.
Question: Select the most appropriate option to fill in the blank number 5.
Option 1: maniac
Option 2: common
Option 3: bogus
Option 4: ruckus
Correct Answer: common
Solution : The second option is correct.
The word common is suitable in this context because it implies that the practice of discharging contaminated effluent into the river and surrounding wetlands is widespread, usual, or frequently observed.
Common practice suggests that it happens regularly and is not
Question : Directions: In the following question, a series is given with one term missing. Choose the correct alternative from the given ones that will complete the series. AC, FH, KM, PR, ?
Option 1: UX
Option 2: TV
Option 3: UW
Option 4: VW
Correct Answer: UW
Solution : Given: AC, FH, KM, PR, ?
In the above-given series, add 5 to the place value of each letter of the previous term to get the next term. AC→A + 5 = F; C + 5 = H FH→F + 5 = K; H +
Question : The following bar graph shows the total number of students who appeared in an exam from five different schools. Approximately how much percent of total students who appeared in the exam are failed?
Option 1: 57%
Option 2: 47%
Option 3: 44%
Option 4: 54%
Correct Answer: 44%
Solution : Total number of students = 680 + 720 + 428 + 920 + 1100 = 3848 Number of students passed = 320 + 400 + 312 + 480 + 640 = 2152 Number of students failed = 3848 – 2152 = 1696 Required percentage =
Question : Directions: A series is given with one term missing. Select the correct alternative from the given ones that will complete the series. PAKC, NDIF, LGGI, JJEL, ?
Option 1: HMCO
Option 2: HMCP
Option 3: HNCO
Option 4: IMLO
Correct Answer: HMCO
Solution : Given: PAKC, NDIF, LGGI, JJEL, ?
In the above-given series, subtract 2 from the place values of the first and third letters and add 3 to the place values of the second and fourth letters of the previous term to obtain the next term. PAKC→P
Question : The Kuiper Belt is a ring of icy rocks and dust bodies just outside the orbit of_____.
Option 1: Saturn
Option 2: Venus
Option 3: Jupiter
Option 4: Neptune
Correct Answer: Neptune
Solution : The correct option is Neptune.
The Kuiper Belt is a region in the outer solar system that is located just beyond the orbit of Neptune. It is a vast ring of icy bodies, including dwarf planets, asteroids, and other small objects, extending from the
Question : A man bought a horse and a carriage for Rs. 40,000. He sold the horse at a gain of 10% and the carriage at a loss of 5%. He gained 1% on his whole transaction. The cost price of the horse was:
Option 1: Rs. 15,000
Option 2: Rs. 16,000
Option 3: Rs. 18,000
Option 4: Rs. 20,000
Correct Answer: Rs. 16,000
Solution : Let the cost price of the horse as $\mathrm{H}$ and the cost price of the carriage as $\mathrm{C}$. Given that the man bought a horse and a carriage for $\mathrm{Rs.}\;40,000$. $\mathrm{H + C }= 40,000$____(i) The man sold the horse at a gain of
Question : The students in three classes are in a ratio of 3 : 7 : 8. If 6 students are increased in each class, the ratio changes to 11 : 23 : 26. Find the total number of students in the three classes before the increase.
Option 1: 162
Option 2: 112
Option 3: 90
Option 4: 144
Correct Answer: 162
Solution : Initial ratio = $3: 7: 8$ Let the number of students in three classes be $3x, 7x$, and $8x$ respectively. Increase in each class = 6 Number of students in three classes after the increase = $3x+6, 7x+6 $, and $8x+6$ Final ratio = $11:23:26$
Question : Select the option that will improve the underlined part of the given sentence. In case no improvement is needed, select 'No improvement required'.
Adam and I are planning a grand party at our office.
Option 1: me are planning
Option 2: I is planning
Option 3: me is planning
Option 4: No improvement required
Correct Answer: No improvement required
Solution : The correct choice is the fourth option.
There is no improvement needed, as the personal pronoun (I) is used correctly in the sentence. The sentence conveys that the speaker and Adam are planning a grand party at their office.
Question : Directions: The areas of seven circles C1, C2, C3, C4, C5, C6, and C7 are compared. The area of C2 is greater than C5 and less than C1. The area of C4 is greater than C7 and less than C6. The area of C5 is more than C6. If the area of C7 is the lowest, then which of the following options is correct?
Option 1: C5 < C4
Option 2: C3 > C6
Option 3: C4 > C1
Option 4: C4 > C2
Correct Answer: C3 > C6
Solution : Given: (I) The area of C2 is greater than C5 and less than C1. C1 > C2 > C5 (II) The area of C4 is greater than C7 and less than C6. C6 > C4 > C7 (III) The area of C5 is
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