Staff Selection Commission Combined Higher Secondary Level Exam
Question : Law of Demand states that there is a negative relationship between ______.
Option 1: demand for a commodity and its supply
Option 2: demand for a commodity and its price
Option 3: tax on a commodity and its price
Option 4: supply of a commodity and its price
Correct Answer: demand for a commodity and its price
Solution : The correct option is demand for a commodity and its price.
The Law of Demand asserts a negative relationship between the price of a commodity and the quantity demanded. As the price rises, demand tends to decrease, and
Question : Directions: Select the correct option that indicates the arrangement of the given words in a logical and meaningful order. 1. Thighs 2. Stomach 3. Nose 4. Lips 5. Skull
Option 1: 1, 2, 5, 3, 4
Option 2: 1, 2, 3, 4, 5
Option 3: 1, 2, 4, 3, 5
Option 4: 1, 2, 3, 5, 4
Correct Answer: 1, 2, 4, 3, 5
Solution : Given: 1. Thighs 2. Stomach 3. Nose 4. Lips 5. Skull
Starting from the top of the human body, we have the skull, which houses and protects the brain. Just below that, we have the nose, which is responsible for our
Question : A substance used as an antifreeze in radiators of automobiles is:
Option 1: Methyl alcohol and H2O.
Option 2: Methyl alcohol
Option 3: Ethyl alcohol
Option 4: Ethyl alcohol and H2O.
Correct Answer: Methyl alcohol and H2O.
Solution : The correct option is Methyl alcohol and H2O.
Methyl alcohol (CH3OH), usually known as methanol, is a kind of alcohol that may be used as an antifreeze in automotive radiators. It works as a coolant and
Question : Select the most appropriate option that can substitute the underlined segment in the given sentence.
Mr Arvind was accused of beating up the students in the class.
Option 1: accused of beating up off the
Option 2: accused of beating up of the
Option 3: accused of beating up on the
Option 4: accused of beating up in the
Correct Answer: accused of beating up on the
Solution : The correct choice is the third option.
The preposition "before" should be replaced with "on," as it helps correct the phrase "beat up on," which means "to assault and injure someone".
Therefore, the correct sentence is: "Mr. Arvind was accused
Question : Select the most appropriate idiom for the given situation.
Shayam was accused of bribery, but he submitted proof of his innocence.
Option 1: Buying the pig in a poke.
Option 2: Cast pearls before they swine.
Option 3: Chapter and verse.
Option 4: Beating about the bush.
Correct Answer: Chapter and verse.
The idiom, chapter and verse means giving precise details or citing specific evidence about something. It means providing detailed information or being able to refer to specific sources accurately, which makes it the appropriate choice.
Question : Two parallel lines touch the circles at P and Q. The area of the circle is 154 cm2. Find the length of PQ (Take $\pi=\frac{22}{7}$)
Option 1: 85.2 cm
Option 2: 14 cm
Option 3: 7 cm
Option 4: 77 cm
Correct Answer: 14 cm
Solution : Given: Area of the circle = 154 $cm^2$ We know that, Area of the circle = $\pi r^2$ According to the question, 154 = $\pi r^2$ ⇒ 154 = $\frac{22}{7}×r^2$ ⇒ $\frac{154×7}{22}$ = $r^2$ ⇒ $r$ = 7 Thus, length of PQ = 7
Question : Directions: How many triangles are there in the given figure?
Option 1: 16
Option 2: 17
Option 3: 20
Option 4: 18
Correct Answer: 17
Solution : The given figure can be labelled as shown below –
Now, in the above figure, there are a total of 17 triangles. They are ABK, BCG, DGN, DEF, HIF, IJK, LUT, STM, QRS, OQP, jPZ, igh, gbf, abY, Yec, cXW, WVd.
Therefore, there are 17
Question : If the triangles ABC and PQR are similar and if $\angle A=35°, \angle B=65°$ then $\angle R=$?
Option 1: 80°
Option 2: 90°
Option 3: 35°
Option 4: 65°
Correct Answer: 80°
Solution : $\triangle ABC \sim \triangle PQR$ ⇒ $\angle C=\angle R$ In $\triangle ABC,$ $\angle A + \angle B + \angle C = 180°$ ⇒ $35°+65°+\angle C = 180°$ ⇒ $\angle C = 180° - 100°$ ⇒ $\angle C = 80°$ ⇒ $\angle R = 80°$ Hence,
Question : If $x^2+\frac{1}{x^2}=4$, then what is the value of $x^4+\frac{1}{x^4}$?
Option 2: 14
Option 3: 12
Option 4: 20
Correct Answer: 14
Solution : Given that $x^2+\frac{1}{x^2}=4$, Squaring both sides, we get, $⇒(x^2+\frac{1}{x^2})^2 = 4^2$ $⇒x^4 + 2 + \frac{1}{x^4} = 16$ $⇒x^4 + \frac{1}{x^4} = 16 - 2 = 14$ Hence, the correct answer is 14.
Question : Directions: In the following question, from the given alternative words, select the word that cannot be formed using the letters of the given word. CALCULATE
Option 1: CAT
Option 2: TEA
Option 3: LATE
Option 4: TEAM
Correct Answer: TEAM
Solution : Given: CALCULATE
Now, let's compare all the option words with the word CALCULATE – First option: CAT; All the letters of CAT are present in the word CALCULATE. Second option: TEA; All the letters of TEA are present in the word CALCULATE. Third option: LATE;
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