Staff Selection Commission Multi Tasking Staff Exam
Question : Directions: In the following question, select the related number from the given alternatives. 110 : 12100 :: 170 : ?
Option 1: 2890
Option 2: 28900
Option 3: 18900
Option 4: 36100
Correct Answer: 28900
Solution : Given: 110 : 12100 :: 170 : ?
The second number is the square of the first number of the given pair. 110 : 12100→(110)2 = 12100 Similarly, 170 : ?→(170)2 = 28900
Hence, the second option is correct.
Question : Directions: Eight friends Rahul, Ram, Ramesh, Sohan, Sahil, Anil, Sonu, and Monu are sitting around a circular table facing towards the centre (not necessarily in the same order). Monu is to the immediate right of Sahil. Sonu is third to the left of Sahil. Ram is third to the right of Anil. Sohan is second to the right of Monu. Who is fourth to the right of Monu?
Option 1: Rahul
Option 2: Ram
Option 3: Sahil
Option 4: Sonu
Correct Answer: Sonu
Solution : Given: (I) Monu is to the immediate right of Sahil. Sonu is third to the left of Sahil.
(II) Ram is third to the right of Anil. Sohan is second to the right of Monu.
So, Sonu is fourth to the right of Monu. Hence,
Question : Pinki and Rinki together can do a piece of work in 20 days. Rinki and Minki together can do it in 12 days while Pinki and Minki together can do it in 15 days. For how long can Rinki alone do it?
Option 1: 20 days
Option 2: 25 days
Option 3: 30 days
Option 4: 10 days
Correct Answer: 30 days
Solution : Let the rates at which Pinki, Rinki, and Minki can complete the work as P, R, and M as work per day, respectively. From the problem, Pinki and Rinki together can do the work in 20 days. ⇒ P + R = $\frac{1}{20}$ Rinki
Question : Directions: Words given on the left side of (::) are related to each other by some Logic/Rule/Relation. Select the missing word/word pair on the right side of (::) from the given alternatives based on the same Logic/Rule/Relation. Tadpole : Frog :: Kitten : ?
Option 1: Deer
Option 2: Insect
Option 3: Cat
Option 4: Dog
Correct Answer: Cat
Solution : Given: Tadpole : Frog :: Kitten : ?
Like, Tadpole is the young one of Frog. Similarly, the Kitten is the young one of the Cat.
Hence, the third option is correct.
Question : Directions: Select the option that is related to the fifth alphanumeric cluster in the same way as the second alphanumeric cluster is related to the first alphanumeric cluster and the fourth alphanumeric cluster is related to the third alphanumeric cluster.
I81: K121 :: D16 : F36 :: O225 : ?
Option 1: P256
Option 2: P265
Option 3: Q289
Option 4: R324
Correct Answer: Q289
Solution : Given: I81: K121 :: D16 : F36 :: O225 : ?
Add 2 in the positional value of the alphabet to obtain the next cluster alphabet and the number is the square of the positional value of the alphabet.
I81: K121→ I; The positional value
Question : Directions: In the following question, some parts of the sentence may have some errors. Find out which part of the sentence has an error and select the appropriate option. If the sentence is free from error, select "No error".
An emminent surgeon (1) / is visiting the hospital (2) / to attend a surgeons' conference. (3) / No error (4)
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (1)
Solution : The error lies in the first part of the sentence.
The adjective eminent means famous and respected within a particular sphere. This is the correct way to spell the word, and emminent is incorrectly spelt.
Therefore, the correct sentence is: "An eminent surgeon is visiting
Question : Directions: Which two numbers should be interchanged to make the given equation correct? 9 + 6 ÷ 4 − 5 + 3 = 10
Option 1: 6 and 10
Option 2: 10 and 5
Option 3: 9 and 3
Option 4: 4 and 3
Correct Answer: 4 and 3
Solution : Given: 9 + 6 ÷ 4 − 5 + 3 = 10
Let's check the options – First options: 6 and 10 9 + 3 ÷ 4 − 5 + 6 = 10 On solving the L.H.S. of the given equation – =
Question : Directions: By Interchanging the given two numbers which of the following equations will be correct? 5 and 4 I. 4 + 8 × 5 – 7 ÷ 1 = 30 II. 5 × 3 – 4 + 6 ÷ 2 = 11
Option 1: Both I and II
Option 2: Neither I nor II
Option 3: Only II
Option 4: Only I
Correct Answer: Only I
Solution : Given: I. 4 + 8 × 5 – 7 ÷ 1 = 30 II. 5 × 3 – 4 + 6 ÷ 2 = 11 Interchanging the numbers 5 and 4.
Equation I: 4 + 8 × 5 – 7 ÷ 1 = 30
Question : Which of the following laws applies to the force of attraction or repulsion between two point charges?
Option 1: Kirchhoff's Law
Option 2: Newton's Law of Universal Gravitation
Option 3: Coulomb's Law
Option 4: Newton's Laws of Motion
Correct Answer: Coulomb's Law
Solution : The correct answer is Coulomb's Law.
Coulomb's law states that the force of attraction or repulsion between two charged objects is directly proportional to the product of their charges and inversely proportional to the square of the distance between them. This force acts along
Question : Quasi-rent is a __________ phenomenon.
Option 1: medium-term
Option 2: long-term
Option 3: short-term
Option 4: no time
Correct Answer: short-term
Solution : The correct option is short-term.
A transient excess or additional profit made by a resource with a short-term fixed supply is referred to as quasi-rent in economics. It is a transient phenomenon because, over time, the additional profit can be eliminated as the supply
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