Staff Selection Commission Combined Higher Secondary Level Exam
Question : The ratio of the angles of a triangle is 2 : 2 : 5. What is the largest angle?
Option 1: $120^\circ$
Option 2: $80^\circ$
Option 3: $110^\circ$
Option 4: $100^\circ$
Correct Answer: $100^\circ$
Solution : Let the angles of the triangle be $2x, 2x,$ and $5x$ respectively. We know that the angles of a triangle are $180^\circ$. Therefore, by angle sum property: $2x + 2x + 5x = 180^\circ$ ⇒ $9x = 180^\circ$ $\therefore x = 20^\circ$ So, the largest
Question : ABC is an isosceles right-angled triangle with $\angle$B = 90°. On the sides AC and AB, two equilateral triangles ACD and ABE have been constructed. The ratio of the area of $\triangle$ABE and $\triangle$ACD is:
Option 1: $1 : 3$
Option 2: $2 : 3$
Option 3: $1 : 2$
Option 4: $1 : \sqrt{2}$
Correct Answer: $1 : 2$
Solution : Given: $\angle$ABC = 90°, AB = BC In $\triangle$ABC, AC2 = AB2 + BC2 = AB2 + AB2 = 2AB2 Since, $\triangle$ACD $\sim$ $\triangle$ABE, $\frac{\text{area of} \triangle ABE}{\text{area of} \triangle ACD}=\frac{AB^2}{AC^2}$ ⇒ $\frac{\text{area of} \triangle ABE}{\text{area of}
Question : If $6 \cot \theta=5$, then find the value of $\frac{(6 \cos \theta+\sin \theta)}{(6 \cos\theta-4 \sin\theta)}$
Option 1: 5
Option 2: 1
Option 3: 6
Option 4: 0
Correct Answer: 6
Solution : $6 \cot \theta = 5$ ⇒ $\cot \theta = \frac{5}{6}$ Now, $\frac{(6 \cos \theta+\sin \theta)}{(6 \cos \theta-4\sin \theta)}$ Dividing numerator and denominator by $\sin \theta$ in the above expression ⇒ $\frac{(6 \cos \theta+\sin \theta)}{(6 \cos \theta-4\sin \theta)}=\frac{(6\cot \theta + 1)}{(6\cot \theta-4)}$ $=\frac{6 \times \frac{5}{6} +
Question : The following sentence has been split into four segments. Identify the segment that contains a grammatical error.
I brought / an apple from / a place you recommended / me earlier.
Option 1: I brought
Option 2: me earlier
Option 3: a place you recommended
Option 4: an apple from
Correct Answer: a place you recommended
Solution : The error lies in the third option.
The phrase, "a place you recommended" should be replaced with "a place you had recommended me" as the use of past perfect tense denotes the action that happened earlier than the other.
Therefore, the
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. The entertainment (1)_______ built by Walt Disney is sometimes called the ‘House of Mouse’ in acknowledgement of the leading role played by Disney’s most famous creation, Mickey Mouse. Mickey’s round mouse ears, either in silhouette or adorning a hat, have become one of the most (2)_______ corporate logos in the world. But if a few business decisions in the 1920s had gone differently, they could have been rabbit ears. In the mid-1920s Disney was a young (3)________ producing a series called the Alice Comedies, short films that combined live-action footage with animated images so that human actors appeared to interact with cartoon characters. But he had grown tired of the series and wanted to move on to making completely animated films. In 1927 he got his wish, (4)_______ a deal with Universal to produce a new series based on the adventures of a character called Oswald the Lucky Rabbit. Both the name and the species of the character had been picked by Universal—'Oswald’ was (5)________ picked out of a hat of names, and the character was made a rabbit because there were already too many cartoon cats on the market. Question: Select the most appropriate option to fill in the blank number 4.
Option 1: striking
Option 2: crossing
Option 3: bewitching
Option 4: possessing
Correct Answer: striking
Solution : The first option is the correct answer.
The phrase "got his wish" suggests that Walt Disney successfully achieved what he desired, which makes the term "striking a deal" an appropriate choice as it implies achieving a significant deal.
The meanings of the other options are
Question : A man invests Rs. 44,000 in some shares in the ratio 1 : 4 : 5 which pay dividends of 10%, 15%, and 25% on his investment for one year, respectively. His total dividend income is:
Option 1: Rs. 7,850
Option 2: Rs. 8,580
Option 3: Rs. 7,970
Option 4: Rs. 8,510
Correct Answer: Rs. 8,580
Solution : Total investment = Rs. 44000 Ratio of investments = 1 : 4 : 5 Dividend of 10% on first share $= \frac{10}{100} \times \frac{1}{10}\times 44000 =$ Rs. 440 Dividend of 15% on second share $ = \frac{15}{100} \times \frac{4}{10}\times 44000 =$ Rs. 2,640 Dividend
Question : How many judges are there in the Supreme Court in 2023?
Option 1: 25
Option 2: 26
Option 3: 30
Option 4: 34
Correct Answer: 34
Solution : The correct answer is 34
The Indian Constitution's Article 124 provided the framework for setting up the Supreme Court. The Supreme Court of India consists of the Chief Justice and 33 other judges appointed by the President of India. The sanctioned strength of the Supreme
Question : Directions: What should come in place of ? in the given series? 38, 39, 41, 44, 48, ?
Option 1: 56
Option 2: 53
Option 3: 51
Option 4: 55
Correct Answer: 53
Solution : Given: 38, 39, 41, 44, 48, ?
Add consecutive natural numbers to each term to get the next term of the series. 38 + 1 = 39; 39 + 2 = 41; 41 + 3 = 44; 44 + 4 = 48; 48 + 5
Question : A train is 250 meters long. If the train takes 50 seconds to cross a tree by the railway line, the speed of the train in km/h is:
Option 1: 10
Option 2: 9
Option 3: 5
Option 4: 18
Correct Answer: 18
Solution : Given: A train is 250 meters long. The train takes 50 seconds to cross a tree. So, the speed of the train = $\frac{250}{50}$ = 5 m/sec Converting this to km/h, we have, ⇒ $5×\frac{18}{5}$ = 18 km/h Hence, the correct answer is 18.
Question : According to the Census of India 2011, what is the decadal population growth rate?
Option 1: 16.2%
Option 2: 17.2%
Option 3: 16.7%
Option 4: 17.7%
Correct Answer: 17.7%
Solution : The correct answer is 17.7%.
According to the Census of India 2011, the decadal population growth rate for the period from 2001 to 2011 was 17.7%. This means that India's population increased by 17.7% over that decade. This was a decrease compared to the previous
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