Staff Selection Commission Multi Tasking Staff Exam
Question : In addition to hydrogen, the other abundant element present on the Sun's surface is:
Option 1: Helium
Option 2: Neon
Option 3: Argon
Option 4: Oxygen
Correct Answer: Helium
Solution : The correct option is Helium.
Helium is present in the Earth's atmosphere in trace amounts but is the major constituent of the Sun after hydrogen. Helium is formed due to nuclear fission which also produces a lot of energy. It is a colourless, odourless, non-toxic
Question : A. R. Rahman won the Grammy Awards for which movie?
Option 1: Slumdog Millionaire
Option 2: Roja
Option 3: Lagaan
Option 4: Dil Se
Correct Answer: Slumdog Millionaire
Solution : The correct option is Slumdog Millionaire.
A. R. Rahman won the Grammy Awards for his work on the soundtrack of the movie "Slumdog Millionaire". The film was directed by Danny Boyle. Rahman won this award specifically for the song Jai Ho.
Question : Directions: Select the option figure in which the given figure is embedded (Rotation is NOT allowed).
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : Since the rotation is restricted, the embedded figure will have the same orientation as the main figure. By comparison of all the option figures, the given question figure is embedded only in the fourth option figure.
Hence the fourth option is correct.
Question : If A : B = 5 : 4, B: C = 6 : 5, C: D = 7 : 10, then what is the value of A : D?
Option 1: 21 : 25
Option 2: 7 : 3
Option 3: 21 : 20
Option 4: 25 : 24
Correct Answer: 21 : 20
Solution : According to the question A : B = 5 : 4 B : C = 6 : 5 C : D = 7 : 10 Now, ⇒ A : D = (5 : 4) × (6 : 5) × (7 : 10) =
Question : Riya alone can complete a piece of work in 6 days while Siya alone can do the same work in 9 days. If they both work together, then how many days will be required to finish the work?
Option 1: $\frac{45}{13}$
Option 2: $\frac{18}{5}$
Option 3: $\frac{33}{17}$
Option 4: $\frac{55}{16}$
Correct Answer: $\frac{18}{5}$
Solution : Given: Riya alone can complete a piece of work in 6 days while Siya alone can do the same work in 9 days. Let the total work = LCM of 6 and 9 = 54 units So, the efficiency of Riya = $\frac{54}{6}$ = 9,
Question : Select the wrongly spelt word.
Option 1: Contradictory
Option 2: Disgsting
Option 3: Enclosed
Option 4: Sizeable
Correct Answer: Disgsting
Solution : The second option is the correct answer.
The correct spelling of the word that conveys a strong sense of repulsion or unpleasantness is disgusting. The provided option disgsting contains a spelling error with the missing vowel u.
The meanings of the other options are as
Question : Directions: By interchanging two numbers the equation will be correct. 3 × 9 – 4 ÷ 2 + 6 = 28
Option 1: 9 and 2
Option 2: 6 and 4
Option 3: 3 and 6
Option 4: 9 and 6
Correct Answer: 6 and 4
Solution : Given: 3 × 9 – 4 ÷ 2 + 6 = 28
Replace the given numbers according to the options one by one with the original numbers in the given equation. First option: 9 and 2 = 3 × 2 – 4 ÷
Question : Directions: In the following question, select the missing number of the given series. 1, 5, 21, 85, 341, ?
Option 1: 1380
Option 2: 1365
Option 3: 1360
Option 4: 1370
Correct Answer: 1365
Solution : Given: 1, 5, 21, 85, 341, ?
Add the square of the even number which is twice the previously added number, to get the required missing number in the series – 1 + 22 = 1 + 4 = 5; 5 + 42
Question : Directions: Which of the following letters will replace the question mark (?) in the given series? d, f, h, j, l, n, p, r, ?
Option 1: s
Option 2: t
Option 3: u
Option 4: v
Correct Answer: t
Solution : Given: d, f, h, j, l, n, p, r,?
In the given series, add 2 to the place value of each letter to obtain the next letter. d + 2 = f; f + 2 = h; h + 2 = j; j + 2
Question : Directions: In the given question, select the related letter cluster from the given alternatives. CAT : DDY :: BIG : ?
Option 1: CLL
Option 2: CLM
Option 3: CML
Option 4: CEP
Correct Answer: CLL
Solution : Given: CAT : DDY :: BIG : ?
Add consecutive odd numbers to the place value of each letter of CAT to obtain the required code – C + 1 = D; A + 3 = D; T + 5 = Y Thus, CAT is
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