Staff Selection Commission Multi Tasking Staff Exam
Question : The important unit of a microprocessor is:
Option 1: ALU
Option 2: array of registers
Option 3: control unit
Option 4: All of the above
Correct Answer: All of the above
Solution : The correct answer is All of the above.
The microprocessor or processor is another name for the Central Processing Unit (CPU). The Arithmetic Logic Unit (ALU), the Control Unit, and the Registers are the three divisions that comprise the processor. Control unit:
Question : Who is the playback singer and composer of the famous song "Qismat Ki Hawa" which was featured in the movie Ludo in 2020?
Option 1: Arijit Singh
Option 2: C. Ramchandra
Option 3: A. R. Rahman
Option 4: R. D. Burman
Correct Answer: C. Ramchandra
Solution : The correct answer is C. Ramchandra.
C. Ramchandra was an Indian music director and playback singer. He often sang and acted in Marathi movies under the name R. N. Chitalkar.
Yeh Zindagi Usi Ki Hai, Ae Mere Watan Ke Logo and many other
Question : Select the most appropriate option to fill in the blank. Each band is known across a wide area because all residents of a given region are typically tied to one another through a large_________ of kinship and reciprocity.
Option 1: variation
Option 2: mesh
Option 3: network
Option 4: clash
Correct Answer: network
Solution : The correct choice is the third option.
Network best fits the context as it refers to a system of interconnected individuals or groups, which is suitable for describing the connections formed by kinship and reciprocity among the residents of the region.
The meanings of
Question : A person covers the first 30 km in 60 minutes and the next 40 km in 30 minutes. What is his average speed for the whole journey?
Option 1: $\frac{140}{3}$ km/hr
Option 2: 30 km/hr
Option 3: $\frac{160}{3}$ km/hr
Option 4: 60 km/hr
Correct Answer: $\frac{140}{3}$ km/hr
Solution : Given: A person covers the first 30 km in 60 minutes and the next 40 km in 30 minutes. The total time taken = 1 + $\frac{30}{60}$ = 1 + $\frac{1}{2} = \frac{3}{2}$ hr The total distance = 30 + 40 = 70 km.
Question : Directions: In the following question, select the missing number of the given series. 110, 131, 153, 176, 200, ?
Option 1: 220
Option 2: 218
Option 3: 224
Option 4: 225
Correct Answer: 225
Solution : Given: 110, 131, 153, 176, 200, ?
In the above-given series, add consecutive natural numbers to the previous number to get the next number. 110 + 21 = 131; 131 + 22 = 153; 153 + 23 = 176; 176 + 24 = 200; 200
Question : Comprehension: In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank. Nuclear power for civil use is well (1)_________ in India. Since building the two small boiling water reactors (2)___________ Tarapur in the 1960s, its civil nuclear strategy (3)_________ directed towards complete independence in the nuclear fuel cycle, necessarily (4)__________ it is excluded (5)__________ the 1970 Nuclear Non-Proliferation Treaty (NPT).
Question: Select the most appropriate option to fill in the blank number 3.
Option 1: have
Option 2: have been
Option 3: has been
Option 4: has
Correct Answer: has been
Solution : The most appropriate option to fill in the blank is the third option.
Explanation: In this context, "its civil nuclear strategy" is a singular subject, and the correct verb form in the present perfect tense is, has been directed. Therefore, the correct
Question : Directions: Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements. Statements: Some apples are oranges. No orange is a grape. Conclusions: I. Some grapes are apples. II. Some oranges are apples.
Option 1: Only conclusion II follows
Option 2: Both conclusions I and II follow
Option 3: Neither conclusion I nor II follows
Option 4: Only conclusion I follows
Correct Answer: Only conclusion II follows
Solution : The possible Venn diagram according to the given statements is as follows –
Let's analyse the conclusions – Conclusion I: Some grapes are apples – From the above diagram, it is clear that there is no direct relation between the circles of
Question : Directions: In the following question, select the related number from the given alternatives. 12 : 1728 :: 17 : ?
Option 1: 4913
Option 2: 4927
Option 3: 4943
Option 4: 4963
Correct Answer: 4913
Solution : Given: 12 : 1728 :: 17 : ?
The second number is equal to the cube of the first number of the given pair. Like,12 : 1728→(12)3 = 1728 Similarly, 17 : ?→(17)3 = 4913
Hence, the first option is correct.
Question : An atom of an element has an atomic number of 17 and a mass of 36. The number of neutrons in its nucleus is
Option 1: 17
Option 2: 19
Option 3: 36
Option 4: 53
Correct Answer: 19
Solution : The correct answer is 19.
The atomic number of an element is equal to the number of protons in its nucleus. In this case, the atomic number is 17, therefore there are 17 protons in the nucleus. The mass number of an atom is
Question : A boat can travel at a speed of 15 km/hr in still water. If the speed of the stream is 5 km/hr, find the time taken by the boat to go 80 km downstream.
Option 1: 3 hr
Option 2: 4 hr
Option 3: 6 hr
Option 4: 5 hr
Correct Answer: 4 hr
Solution : Given, Speed of boat in still water = 15 km Speed of stream = 5 km/hr Speed of Downstream = Speed of boat + Speed of stream = 15 + 5 = 20 km/hr We know, Time = $\frac{\text{Distance}}{\text{Speed}}$ $\therefore$ Time taken = $\frac{80}{20}$
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