Staff Selection Commission Multi Tasking Staff Exam
Question : The sex ratio in India is defined as the number of females per_____.
Option 1: 100 males in the population
Option 2: 1000 males in the population
Option 3: 500 males in the population
Option 4: 100 children in the population
Correct Answer: 1000 males in the population
Solution : The correct option is 1000 males in the population.
The sex ratio in India is a demographic measure indicating the number of females per 1000 males in the population. It serves as a crucial social indicator, reflecting gender imbalances. Persistent variations
Question : Select the option that can be used as a one-word substitute for the given group of words.
The expression of a wish that misfortune or doom befall a person
Option 1: Curse
Option 2: Praise
Option 3: Blessing
Option 4: Oath
Correct Answer: Curse
Solution : The first option is correct.
Curse means a word or words expressing a wish that something terrible will happen to somebody.
So, it is clear that curse can be used as a one-word substitute for the expression of a wish that misfortune or doom befall
Question : Dr. APJ Abdul Kalam, a famous Indian scientist, autobiography is known as_______.
Option 1: One Life is Not Enough
Option 2: Wings of Fire
Option 3: Waiting for a Visa
Option 4: The Race of My Life
Correct Answer: Wings of Fire
Solution : The correct answer is Wings of Fire.
Dr. APJ Abdul Kalam was the former President of India and was also known as the Missile Man of India. He served as the 11th president from 2002 to 2007. He was born in Rameshwaram,
Question : Find the area of the rhombus whose diagonals are 16 cm and 20 cm.
Option 1: 110 cm2
Option 2: 150 cm2
Option 3: 160 cm2
Option 4: 120 cm2
Correct Answer: 160 cm2
Solution : $D_1$ = 16 cm $D_1$ = 20 cm Area of rhombus = $\frac{1}{2}D_1D_2=\frac{1}{2}×16×20=160\;cm^2$ Hence, the correct answer is 160 cm2.
Question : Directions: Seven girls Mansi, Shweta, Monika, Payal, Aarti, Kajal and Laxmi are sitting around a circular table facing opposite the centre (not necessarily in the same order). Kajal is second to the left of Laxmi. Payal is the immediate neighbour of both Mansi and Laxmi. Monika is not the immediate neighbour of Laxmi. Aarti is second to the left of Kajal. Who is sitting second to the left of Payal?
Option 1: Aarti
Option 2: Laxmi
Option 3: Kajal
Option 4: Shweta
Correct Answer: Shweta
Solution : Given: 1. Kajal is second to the left of Laxmi. 2. Payal is the immediate neighbour of both Mansi and Laxmi. 3. Monika is not the immediate neighbour of Laxmi. 4. Aarti is second to the left of Kajal.
From the above-given information, the following
Question : Mosquito belongs to______phylum of the animal kingdom.
Option 1: Ctenophora
Option 2: Chordata
Option 3: Arthropoda
Option 4: Mollusca
Correct Answer: Arthropoda
Solution : The correct answer is Arthropoda.
Mosquitoes belong to the Arthropoda Phylum of the animal kingdom. It is the largest Phylum of the animal kingdom. More than 80% of the animal species belong to this Phylum and has more than 9000 species, and they occur in
Question : A girl wants to plant trees in her garden in rows in such a way that the number of trees in each row to be the same. There are 10 rows and the number of trees in each row is 12, what is the number of trees in each row, if there are 5 more rows?
Option 1: 10
Option 2: 8
Option 3: 6
Option 4: 12
Correct Answer: 8
Solution : The total number of trees in the garden is the product of the number of rows and the number of trees in each row. Currently, there are 10 rows and 12 trees in each row, so the total number of trees is 10 × 12
Question : What is the value of $\frac{\sqrt{24} + \sqrt{216}}{\sqrt{96}}$?
Option 1: $2\sqrt{6}$
Option 2: $4\sqrt{6}$
Option 3: $2$
Option 4: $4$
Correct Answer: $2$
Solution : Given: $\frac{\sqrt{24} + \sqrt{216}}{\sqrt{96}}$ By factorising and simplifying this expression, $\frac{\sqrt{2\times2\times2\times 3} + \sqrt{2\times2\times2\times3\times3\times3}}{\sqrt{2\times2\times2\times2\times2\times3}}$ = $\frac{\sqrt{4\times6} + \sqrt{6\times36}}{\sqrt{6\times16}}$ = $\frac{2\sqrt{6} + 6\sqrt{6}}{4\sqrt{6}}$ = $\frac{(2+6)\sqrt{6}}{4\sqrt{6}}$ = $\frac{8\sqrt{6}}{4\sqrt{6}}$ = $\frac{8}{4}$ = $2$ Hence, the correct answer is $2$.
Question : Directions: How many triangles are there in the given figure?
Option 1: 6
Option 2: 7
Option 3: 8
Option 4: 10
Solution : The given figure can be labeled as shown below –
There are 8 triangles in the above figure. They are ABC, ABD, ADC, AEF, AFC, AEC, ECB, FCD.
Hence, the third option is correct.
Question : Directions: Select the correct mirror image of the given figure when the mirror is placed at AB as shown below.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : As per the mirror image properties, closer things appear closer to the mirror in the reflection. Here, according to the information provided, the mirror is placed on the right side of the figure (on line AB). So, the left side of the reflected image will appear
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