Staff Selection Commission Multi Tasking Staff Exam
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
Question : Which cell organelles help in intracellular digestion and are known as the "suicidal bags" of the cell?
Option 1: Lysosome
Option 2: Golgi bodies
Option 3: Centrosome
Option 4: Chloroplasts
Correct Answer: Lysosome
Solution : The correct answer is Lysosome.
Lysosomes are the type of cell organelle that aids in the digestion of immature bodies and worn-out cell components. Hydrolytic enzymes are found in solitary membrane-bound cell organelles called lysosomes. These are sometimes referred to as the cell's suicide
Question : The following bar graph shows the birthday months of 30 students in a class. How many students have their birthday during Jul-Nov?
Option 1: 15
Option 2: 13
Option 3: 8
Option 4: 10
Correct Answer: 13
Solution : The number of students having their birthday during Jul-Nov = 3 + 6 + 1 + 2 + 1 = 13 Hence, the correct answer is 13.
Question : Alluri Sitarama Raju was a tribal freedom fighter from the state_________ of India.
Option 1: Maharashtra
Option 2: Gujarat
Option 3: Andhra Pradesh
Option 4: Bihar
Correct Answer: Andhra Pradesh
Solution : The correct answer is Andhra Pradesh.
Alluri Sitarama Raju was a prominent Indian freedom fighter who led an armed struggle against British colonial rule. Born in present-day Andhra Pradesh, he vehemently opposed the 1882 Madras Forest Act, which curtailed the movement of Adivasis
Question : Directions: Among five friends, Puneet, Qazir, Raman, Suresh, and Tinku, Tinku is shorter than only one friend. Raman is the tallest among all the friends. Qazir is taller than only one person. Only two persons are shorter than Puneet. Who is the shortest among all the friends?
Option 1: Puneet
Option 2: Suresh
Option 3: Tinku
Option 4: Qazir
Correct Answer: Suresh
Solution : Given: (I) Tinku is shorter than only one friend. __ > Tinku > __ > __ > __ (II) Raman is the tallest among all the friends. Qazir is taller than only one person. Only two persons are shorter than Puneet. Raman > Tinku >
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