Staff Selection Commission Multi Tasking Staff Exam
Question : Directions: By Interchanging the given two numbers which of the following equations will be not correct? 8 and 2 I. 8 × 4 – 6 ÷ 3 + 2 = 14 II. 6 – 8 × 3 + 2 ÷ 1 = 9
Option 1: Only I
Option 2: Neither I nor II
Option 3: Only II
Option 4: Both I and II
Correct Answer: Only II
Solution : Given: 8 and 2 are interchanged – I. 8 × 4 – 6 ÷ 3 + 2 = 14 II. 6 – 8 × 3 + 2 ÷ 1 = 9
For equation I – After interchanging the given numbers, we get – ⇒
Question : Select the most appropriate option that can substitute the underlined segment in the given sentence.
Mihir teased and joking with Aastha until she started laughing.
Option 1: was teasing and joking
Option 2: has joked and teased
Option 3: teased and joked
Option 4: will tease and joke
Correct Answer: teased and joked
Solution : The correct choice is the third option.
Explanation:
Question : Weaving clothes by using cotton fibre comes under which sector of economic activity?
Option 1: Secondary sector
Option 2: Primary sector
Option 3: Tertiary sector
Option 4: Quaternary sector
Correct Answer: Secondary sector
Solution : The correct answer is the Secondary sector.
Weaving clothes from cotton fibre is classified as a secondary economic activity. Weaving cotton fibre garments is an industrial technique. Raw cotton is then spun into yarn that is subsequently woven into fabric. This fabric can
Question : Which one of the following terms describes not only the physical space occupied by an organism but also its functional role in the community of the organism?
Option 1: Eco-niche
Option 2: Ecosystem
Option 3: Ecozone
Option 4: Habitat
Correct Answer: Eco-niche
Solution : The correct answer is Eco-niche.
The term "Eco-niche" is short for "ecological niche". It refers to the position and role of a species or population in its environment, including its interactions with other organisms and the way it uses resources. It involves how a species
Question : The lengths of the three sides of a triangle are in the ratio of 2 : 2 : 3. If the perimeter of the triangle is 42 cm, then what is the length of the largest side?
Option 1: 12 cm
Option 2: 18 cm
Option 3: 20 cm
Option 4: 15 cm
Correct Answer: 18 cm
Solution : Given: perimeter = 42 cm Let the sides of the triangle be $2x, 2x$, and $3x$. Perimeter = Sum of the sides of the triangle ⇒ $42=2x+2x+3x$ ⇒ $42=7x$ ⇒ $x=6$ $\therefore$ The largest side $= 3x=3\times6=18$ cm Hence, the correct answer is 18
Question : Select the number that will come in place of the question mark (?) in the following mathematical statement. 49 × 57 – 41 × 18 = (?)2 × 3 + 1380
Option 1: 15
Option 2: 21
Option 3: 3
Option 4: 7
Correct Answer: 15
Solution : 49 × 57 – 41 × 18 = (?)2 × 3 + 1380 On simplifying the left-hand side of the equation, 49 × 57 – 41 × 18 = 2793 – 738 = 2055 This means that (?)2 × 3 + 1380 =
Question : The average of ten numbers is 24. If each number is divided by 2, then what will be the new average?
Option 1: 12
Option 2: 6
Option 3: 20
Option 4: 5
Correct Answer: 12
Solution : The average of ten numbers = 24 Let's assume the sum of the ten numbers is S. Then, according to the given information, we have: Average = $\frac{\text{Sum of the numbers}}{\text{Total numbers}}$ = $\frac{\text{S}}{10}$ = 24 ⇒ S = 240...(1) Now, if each number is
Question : Directions: Select the option figure that will replace the question mark (?) in the figure given below to complete the pattern.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : On comparing the question figure and all the answer figures, the following figure will combine and make the complete pattern –
Hence, the fourth option is correct.
Question : Who among the following authors wrote 'Train to Pakistan'?
Option 1: Kiran Desai
Option 2: R. K. Narayan
Option 3: Arundhati Roy
Option 4: Khushwant Singh
Correct Answer: Khushwant Singh
Solution : The correct option is Khushwant Singh.
Author Khushwant Singh's historical fiction book Train to Pakistan was released in 1956. It tells the story of the August 1947 Partition of India from the viewpoint of a made-up border village called Mano Majra.
Question : Directions: Select the option that is related to the third number in the same way as the second number is related to the first number. 7 : 343 :: 4 : ?
Option 1: 58
Option 2: 72
Option 3: 84
Option 4: 64
Correct Answer: 64
Solution : Given: 7 : 343 :: 4 : ?
Cube the first number, to obtain the second number in each number pair – Like, 7 : 343→73 = 343 Similarly, 4 : ?→43 = 64
So, 64 is the required missing number. Hence, the
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