Staff Selection Commission Multi Tasking Staff Exam
Question : Directions: Numbers given on the left side of (::) are related to each other by some Logic/Rule/Relation. Select the missing number pair on the right side of (::) from the given alternatives based on the same Logic/Rule/Relation. 1331 : 11 :: ? : ?
Option 1: 2197 : 13
Option 2: 10 : 1000
Option 3: 3375 : 14
Option 4: 1728 : 15
Correct Answer: 2197 : 13
Solution : Given: 1331 : 11 :: ? : ? Like, 1331 : 11→(11)3 = 1331
Now, let's check the options – First Option: 2197 : 13→(13)3 = 2197 Second Option: 10 : 1000→(1000)3 = 1000000000 ≠ 10 Third Option: 3375 :
Question : Select the correctly spelt word.
Option 1: Privelege
Option 2: Indispensable
Option 3: Persaverance
Option 4: Inadvertant
Correct Answer: Indispensable
Solution : The right choice is the second option.
Indispensable is the correct spelling. It means absolutely necessary or essential. The other options contain spelling errors.
Therefore, the correctly spelt word is indispensable.
Question : Directions: Eight boys Anil, Kamal, Ram, Sanjay, Aakash, Vivek, Rahul and Ramu are sitting around a circular table facing opposite the centre (not necessarily in the same order). Ram is the immediate neighbour of both Ramu and Anil. Sanjay is third to the right of Ramu. Ramu is second to the right of Anil. Ram is second to the left of Kamal. Vivek is not the immediate neighbour of Anil. Aakash is second to the right of Ramu. Who is second to the right of Vivek?
Option 1: Anil
Option 2: Rahul
Option 3: Sanjay
Option 4: Aakash
Correct Answer: Anil
Solution : Given: (I) Ram is the immediate neighbour of both Ramu and Anil. Sanjay is third to the right of Ramu. Ramu is second to the right of Anil.
(II) Ram is second to the left of Kamal. Vivek is not the immediate neighbour of Anil.
Question : A train P travelling at a speed of 15 m/s can cross a platform of 200 metres in length completely in 30 seconds. Approximately how long will it take train P to cross a man who is coming towards the train on his bike at a speed of 27 km/hr? [Note: Ignore the length of the bike.]
Option 1: 15 s
Option 2: 11.1 s
Option 3: 16.7 s
Option 4: 18.3 s
Correct Answer: 11.1 s
Solution : Let $l$ be the length of the train. Speed of train = $\frac{\text{distance covered}}{\text{time}}$ $⇒15 = \frac{200+l}{30}$ $⇒450 = 200 + l$ $\therefore l = 450 - 200 = 250$ m Speed of man = 27 km/hr = 27 × $\frac{5}{18}$ = $\frac{15}{2}$ =
Question : What is the unit digit of $125^{125}+216^{216}$?
Option 1: 5
Option 2: 1
Option 3: 6
Option 4: 7
Correct Answer: 1
Solution : Given: 125125 + 216216 Any power of 6 gives the unit digit 6, and also any power of 5 gives the unit digit 5. Unit digit → 5 + 6 → 11 →1 So, the unit digit of 125125 + 216216
Question : Directions: Select the option that is related to the fifth term in the same way as the second term is related to the first term and the fourth term is related to the third term. TBA : SZX :: KRB : JPY :: GOT : ?
Option 1: FNQ
Option 2: FMR
Option 3: FMQ
Option 4: FNR
Correct Answer: FMQ
Solution : Given: TBA : SZX :: KRB : JPY :: GOT : ?
Subtract 1, 2 and 3 from the place value of the first, second and third letters, to obtain the required code – Like, TBA : SZX→T – 1 = S; B – 2
Question : Directions: Three statements are given followed by two conclusions numbered I and II. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: All oceans are oil. All oils are milk. All milk is water. Conclusions: I. Some water is milk. II. All milk is ocean.
Option 1: Only conclusion I follows
Option 2: Both conclusions I and II follow
Option 3: Only conclusion II follows
Option 4: Neither conclusion I nor II follows
Correct Answer: Only conclusion I follows
Solution : The possible Venn diagram according to the given statement is as follows –
Let's analyse the conclusions – Conclusion I: Some water is milk – From the Venn diagram, it is evident that some parts of the circle representing water lie inside
Question : Directions: In the following question, select the one that is different from the other three alternatives.
Option 1: 432
Option 2: 583
Option 3: 693
Option 4: 671
Correct Answer: 432
Solution : Let's check the options – First option: 432→432 is an even number. Second option: 583→583 is an odd number. Third option: 693→693 is an odd number. Fourth option: 671→671 is an odd number.
So, only the first option is different from the other three options
Question : The following bar chart shows the number of white and black cars sold by 5 different brands in a city during a year.
X = Average number of black cars sold per brand. Y = Average number of white cars sold per brand. What is the value of Y – X?
Option 1: 20
Option 2: 18
Option 3: 12
Option 4: 16
Correct Answer: 12
Solution : The average number of black cars and white cars sold per brand. Total black cars sold: 96 + 114 + 121 + 109 + 120 = 560 X (average black cars sold per brand) = $\frac{560}{5}$ = 112 Total white cars sold: 108 + 122
Question : Directions: A, N, E, H, and S are sitting on a bench facing north. A is sitting to the immediate right of S and S is at one of the corners. E is sitting to the right of H, and the left of N. Who is sitting to the immediate left of H?
Option 1: N
Option 2: A
Option 3: S
Option 4: E
Correct Answer: A
Solution : Given: (I) A, N, E, H, and S are sitting on a bench facing north. (Left end) _, _, _, _, _. (Right End) (North Facing row). (II) A is sitting to the immediate right of S and S is at one of the corners.
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