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Staff Selection Commission Combined Higher Secondary Level Exam

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Question : Select the most appropriate ANTONYM of the word given in brackets to fill in the blank.

I can’t believe that you’re ________ (resolute) enough to not even decide what you want for dinner.

Option 1: reluctant

Option 2: indecisive

Option 3: disinclined

Option 4: gullible

Team Careers360 27th Jan, 2024

Correct Answer: indecisive


Solution : The correct choice is the second option.

Resolute denotes having or showing great determination. Indecisive denotes not providing a definite and clear result. The word indecisive means the opposite of resolute, i.e., doubtful.

The meanings of the other options are as follows:

  • Reluctant: It denotes unwillingness and hesitancy.
  • Disinclined: It denotes unwillingness.
  • Gullible: It denotes believing and trusting people too easily and therefore being easily tricked.
7 Views

Question : Jaws are absent in:

Option 1: Birfds

Option 2: Fishes

Option 3: Protochordates

Option 4: Reptiles

Team Careers360 26th Jan, 2024

Correct Answer: Protochordates


Solution : The Correct Answer is Protochordates

Protochordata and cyclostomata lack jaws. The invertebrate subphylum of the chordata phylum is referred to as protochordata. It contains creatures like tunicates.  Cyclostomata are a subclass of group agnatha that lack jaws, girdles, and paired appendages.  Hagfish and lampreys are the two types of fish without jaws. Hagfish typically consume dead or dying fish as food.

22 Views

Question : If in a $\triangle ABC$, as drawn in the figure, $AB = AC$ and $\angle ACD = 120^{\circ}$, then angle A is equal to:

Option 1: $50^{\circ}$

Option 2: $60^{\circ}$

Option 3: $70^{\circ}$

Option 4: $80^{\circ}$

Team Careers360 26th Jan, 2024

Correct Answer: $60^{\circ}$


Solution :
Given that $AB = AC$ in $\triangle ABC$.
This is an isosceles triangle, such that $\angle BAC = \angle ABC$.
We have, $\angle ACD = 120^\circ$
$\therefore \angle ACB = 180^\circ - 120^\circ = 60^\circ$
Since the sum of angles in a triangle is $180^\circ$.
⇒ $\angle BAC + \angle ABC + \angle ACB = 180^\circ$
⇒ $2\angle BAC + 60^\circ = 180^\circ$
$\therefore\angle BAC = \frac{180^\circ - 60^\circ}{2} = 60^\circ$
Hence, the correct answer is $60^\circ$.

14 Views

Question : ABCD is a cyclic quadrilateral, AB is the diameter of the circle. If angle $\angle ACD=45^{\circ}$, then what is the value of $\angle BAD$?

Option 1: $90^{\circ}$

Option 2: $45^{\circ}$

Option 3: $135^{\circ}$

Option 4: $35^{\circ}$

Team Careers360 26th Jan, 2024

Correct Answer: $45^{\circ}$


Solution :

Since, an angle subtended by the diameter of a circle at the circumference = $90^{\circ}$
⇒ $\angle$ ACB = $90^{\circ}$
$\angle$ BCD = $\angle$ ACD + $\angle$ ACB = $45^{\circ} + 90^{\circ}=135^{\circ}$
Since the opposite angles of a cyclic quadrilateral are supplementary,
$\angle$ BCD + $\angle$ BAD = $180^{\circ}$
$\therefore \angle$ BAD = $180^{\circ} - 135^{\circ}=45^{\circ}$
Hence, the correct answer is $45^{\circ}$.

10 Views

Question : 2nd October is observed as________.

Option 1: International Non-Violence Day

Option 2: World Social Justice Day

Option 3: World Wildlife Day

Option 4: International Education Day

Team Careers360 27th Jan, 2024

Correct Answer: International Non-Violence Day


Solution : The correct answer is International Non-Violence Day.

October 2nd is indeed observed as the International Day of Non-Violence. This date is significant because it marks the birthday of Mahatma Gandhi, the leader of the Indian independence movement against British colonial rule and a pioneer of non-violent resistance, known as "Satyagraha."

9 Views

Question : Direct conversion of solar energy with the use of a photo voltaic cell results in the production of

Option 1: Optical energy

Option 2: Electrical energy

Option 3: Thermal energy

Option 4: Mechanial energy

Team Careers360 26th Jan, 2024

Correct Answer: Electrical energy


Solution : The correct option is electrical energy.

The photovoltaic effect is a mechanism used by photovoltaic cells, also referred to as solar cells, to transform light energy from the sun directly into electrical energy. When photons, the light particles hit a solar cell's surface, their energy is transferred to the material's electrons, causing this effect.  These electrons get activated by the energy of the photons, which causes them to flow as an electric current. The generated current can then be harnessed and used to power electrical equipment, or it can be stored in batteries for later use.
 

39 Views

Question : Study the given pie chart and answer the question that follows.

The pie chart represents the marks (out of 100) obtained by Shweta in different subjects - Hindi, English, Maths, Science, Social Science (S.S.) and Commerce in her class examination. The marks obtained in English and S.S. are what percent less than the marks obtained in Hindi and Maths?

The marks obtained in English and S.S. are what percent less than the marks obtained in Hindi and Maths?

Option 1: $30 \frac{1}{8} \%$

Option 2: $31 \frac{5}{8} \%$

Option 3: $30 \frac{5}{8} \%$

Option 4: $31 \frac{1}{8} \%$

Team Careers360 26th Jan, 2024

Correct Answer: $30 \frac{5}{8} \%$


Solution : Share of marks obtained in English = $52^{\circ}$
Share of marks obtained in S.S. = $59^{\circ}$
Share of total marks obtained in English and S.S = $52^{\circ}$+$59^{\circ}$ = $111^{\circ}$------------(i)
Share of marks obtained in Hindi = $72^{\circ}$
Share of marks obtained in Maths = $88^{\circ}$
Share of total marks obtained in Hindi and Maths = $160^{\circ}$ -----------(ii)
Difference in share of marks = $160^{\circ}$–$111^{\circ}$ = $49^{\circ}$
Marks obtained in English and S.S. are less than marks obtained in Hindi and Maths by:
= $\frac{49}{160}×100$
= $30\frac{5}{8}$%
Hence, the correct answer is $30\frac{5}{8}$%.

124 Views

Question : In triangle MNO, AB is parallel NO and MA = 2.5, AN = 7.5, MB = 2.2, find the value of BO.

Option 1: 6.6

Option 2: 8.2

Option 3: 5.4

Option 4: 4.8

Team Careers360 26th Jan, 2024

Correct Answer: 6.6


Solution :
Given:
In triangle MNO, AB is parallel NO and MA = 2.5, AN = 7.5, MB = 2.2
Here, triangles MNO and MAB are similar because angle M in triangle MNO is equal to angle M in triangle MAB.
So, $\frac{MA}{MN}=\frac{MB}{MO}$
⇒ $\frac{2.5}{2.5+7.5}=\frac{2.2}{MO}$
$\therefore MO=8.8$
BO = MO – MB = 8.8 – 2.2 = 6.6
Hence, the correct answer is 6.6.

14 Views

Question : The data given in the table shows the number of boys and girls enrolled for different games in an academy over 5 years.

Years Basketball Football Cricket
Boys Girls Boys Girls Boys Girls
2018 46 34 42 37 45 35
2019 40 41 44 38 42 32
2020 43 40 40 32 44 38
2021 37 44 43 25 34 28
2022 34 41 41 32 41 39

Which game has the maximum enrollment and during which year?

Option 1: Cricket in 2020

Option 2: Basketball in 2019

Option 3: Football in 2019

Option 4: Basketball in 2020

Team Careers360 27th Jan, 2024

Correct Answer: Basketball in 2020


Solution : In 2018,
Basketball: 46 + 34 = 80
Football: 42 + 37 = 79
Cricket: 45 + 35 = 80
In 2019,
Basketball: 40 + 41 = 81
Football: 44 + 38 = 82
Cricket: 42 + 32 = 74
In 2020,
Basketball: 43 + 40 = 83
Football: 40 + 32 = 72
Cricket: 44 + 38 = 82
In 2021,
Basketball: 37 + 44 = 81
Football: 43 + 25 = 68
Cricket: 34 + 28 = 62
In 2022,
Basketball: 34 + 41 = 75
Football: 41 + 32 = 73
Cricket: 41 + 39 = 80
It can be seen that in the year 2020, Basketball has the maximum enrollment.
Hence, the correct answer is Basketball in 2020.

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