Staff Selection Commission Multi Tasking Staff Exam
Question : The loudness of sound is proportional to the ______ of the amplitude of the vibration producing the sound.
Option 1: cube root
Option 2: cube
Option 3: square
Option 4: square root
Correct Answer: square
Solution : The correct answer is square.
The loudness of sound is proportional to the square of the amplitude of the vibration producing the sound. In other words, the perception of loudness corresponds to the intensity of the sound wave, which is directly related to the
Question : Directions: Select the letter cluster from the given options that can replace the question mark (?) in the following series. ZC, XF, VI, TL, ?
Option 1: RO
Option 2: RQ
Option 3: LQ
Option 4: KO
Correct Answer: RO
Solution : Given: ZC, XF, VI, TL, ?
Subtract 2 from the positional value of the first letter and add 3 to the positional value of the second letter of the given letter cluster. ZC→Z – 2 = X, C + 3 = F XF→X – 2
Question : ph value between 6.5 -7.5 makes soil
Option 1: Basic
Option 2: Neutral
Option 3: Acidic
Option 4: none of these
Correct Answer: none of these
Solution : The correct answer is None of these.
pH value of 7 is neutral soultion, less than 7 is acidic and more than 7 is basic. So pH value from 6.5 to 7.5 ranges from acidic, neutal and a little basic. Ideally soil has
Question : Directions: 6 boys, J, K, L, M, N, and P, are sitting around a rectangular table facing towards the centre (not necessarily in the same order). 4 boys are sitting in the corners, and 1 boy is sitting in the middle of each shorter side of the table. N is second to the right of K and second to the left of J. M is exactly opposite to N, and M is not sitting in the corner. Which of the following statements is definitely correct? I. L and P are both next to N. II. K is diagonally opposite to L.
Option 1: Only II is correct
Option 2: Neither I nor II is correct
Option 3: Both I and II are correct
Option 4: Only I is correct
Correct Answer: Only I is correct
Solution : Given: (I) N is second to the right of K and second to the left of J. M is exactly opposite to N, and M is not sitting in the corner. According to the given statements – I. L and P are
Question : Directions: In the following question, find the odd number from the given alternatives.
Option 1: 119
Option 2: 85
Option 3: 51
Option 4: 154
Correct Answer: 154
Solution : Let's check the options – First option: 119; 119 ÷ 17 = 7 Second option: 85; 85 ÷ 17 = 5 Third option: 51; 51 ÷ 17 = 3 Fourth option: 154; 154 is not divisible by 17
So, only the fourth option is different
Question : Who is hailed in India as the Mozart of the Madras?
Option 1: Udit Narayan
Option 2: S. P. Balasubrahmanyam
Option 3: Arijit Singh
Option 4: A. R. Rahman
Correct Answer: A. R. Rahman
Solution : The correct option is A. R. Rahman.
The well-known Indian composer and musician A. R. Rahman is frequently referred to as the " Mozart of the Madras;. A. R. Rahman, is regarded as one of the most well-known and significant composers of music
Question : Directions: In the following question a word is followed by four other words, one of which cannot be formed by using the letters of the given word. Find this word. COMPLETION
Option 1: COME
Option 2: TEN
Option 3: TEA
Option 4: LION
Correct Answer: TEA
Solution : Given: COMPLETION
Now, let's compare all the option words with the word COMPLETION – First option: COME; All the letters of COME are present in the word COMPLETION. Second option: TEN; All the letters of TEN are present in the word COMPLETION. Third option: TEA;
Question : Directions: In the following question, a sentence is given with a blank that is to be filled in with appropriate words. Four alternatives are suggested; choose the correct alternative out of them as your answer. His teacher ____ an explanation of his conduct.
Option 1: Called up
Option 2: Called for
Option 3: Called off
Option 4: Called on
Correct Answer: Called for
Solution : The second option is the correct answer since ''called for'', which means to demand or request something, fits perfectly in the sentence. It conveys that the teacher is demanding an explanation for the student's conduct.
The option ''called up'' means to make a phone
Question : Choose the word that is opposite in meaning to the given word. Anomaly
Option 1: Omen
Option 2: Tangible
Option 3: Regularity
Option 4: Tangent
Correct Answer: Regularity
Solution : The third option is the correct choice.
Anomaly refers to something that is irregular or deviates from the norm. In contrast, regularity describes the quality of being regular or conforming to a standard.
The meanings of the other options are as follows:
Question : A sum of money, when invested at the rate of 6.25% simple interest per annum, amounts to $\frac{11}{8}$ times itself in $n$ years. What is the value of $n$?
Option 1: 6
Option 2: 8
Option 3: 5
Option 4: 7
Correct Answer: 6
Solution : Given: Rate $(r)$ = 6.25% per annum Time $(t)$ = $n$ years Let the principal be $x$. Amount $=\frac{11}{8}\times $ Principal $= \frac{11x}{8}$ Simple interest = Amount – Principal $= \frac{11x}{8} - x= \frac{3x}{8}$ We know, Simple interest = $\frac{\text{Principal × Rate × Time}}{100}$ According
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