Staff Selection Commission Combined Higher Secondary Level Exam
Question : Which was the first country to host the Asian Games?
Option 1: South Korea
Option 2: India
Option 3: Japan
Option 4: China
Correct Answer: India
Solution : The correct answer is India.
The Asian Games is the largest multi-sport event on the Asian peninsula. India has hosted the event twice, the first time in 1951 and again in 1982. India was the first country to host the Asian Games, with the
Question : Directions: From the given answer figures, select the one in which the question figure is hidden/embedded.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : Because there is no restriction on the rotation of the figure, we will check all the possible orientations of the question figure in which of the given option figures it can fit itself. By comparison of all option figures, the question figure is embedded only in
Question : Rama alone can do a work in 5 days working 4 hours a day. Seema alone can do the same work in 3 days working 10 hours a day. How many hours do they need to work together in a day to complete the same work in 6 days?
Option 1: 1 hour
Option 2: 3 hours
Option 3: 5 hours
Option 4: 2 hours
Correct Answer: 2 hours
Solution : Rama's work = 5 × 4 = 20 hours Seema's work = 3 × 10 = 30 hours Hourly work of Rama = $\frac{1}{20}$ Hourly work of Seema = $\frac{1}{30}$ Combined one hour work of Rama and Seema $=\frac{1}{20}+\frac{1}{30}=\frac{2+3}{60}=\frac{1}{12}$ If they want to finish
Question : Directions: A piece of paper is folded and cut as shown below in the question figures. From the given answer figures, indicate how it will appear when opened.
Solution : When the paper is unfolded, the following figures will be obtained –
Hence, the fourth option is correct.
Question : Select the most appropriate 'one word' for the expression given below. One who cures eye disease.
Option 1: Ophthalmologist
Option 2: Prologist
Option 3: Phonologist
Option 4: Biologist
Correct Answer: Ophthalmologist
Solution : The correct answer is the first option.
The most appropriate 'one word' for the expression "one who cures eye disease" is ophthalmologist. This term is derived from the Greek words "ophthalmos" (meaning "eye") and "logos" (meaning "study" or "science"). An ophthalmologist is a medical
Question : Directions: In the following question, which one set of letters/numbers when sequentially placed at the gaps in the given letter series shall complete it? a_baa_baa_ba
Option 1: bbb
Option 2: bab
Option 3: bba
Option 4: aab
Correct Answer: bbb
Solution : Given: a_baa_baa_ba
To fill the series we have to divide the series – a_ba / a_ba / a_ba Let's check the option – First option: bbb; abba / abba / abba (abba is repeated in the series.) Second option:
Question :
Directions: In the following question, select the related number from the given alternatives. 42 : 20 :: 64 : ?
Option 1: 31
Option 2: 32
Option 3: 40
Option 4: 42
Correct Answer: 31
Solution : Given: 42 : 20 :: 64 : ?
The pattern is as follows – Like, 42 : 20→(42 ÷ 2) – 1 = 21 – 1 = 20 Similarly, follow the same pattern for 64 : ?→(64 ÷ 2) – 1 = 32 – 1
Question : In a mixture of 178 litres, the ratio of water and milk is 5 : 7. How much water should be added to make the ratio of water and milk 3 : 4?
Option 1: $3 \frac{17}{24}$ litres
Option 2: $3 \frac{13}{24}$ litres
Option 3: $2\frac{11}{24}$ litres
Option 4: $2\frac{23}{24}$ litres
Correct Answer: $3 \frac{17}{24}$ litres
Solution : Total quantity = 178 litres Quantity of water = $178 \times \frac{5}{12} = \frac{890}{12}$ litres Quantity of milk = $178 \times \frac{7}{12} = \frac{1246}{12}$ litres Now, after adding $x$ litres of water. $⇒\frac{\frac{890}{12} + x}{\frac{1246}{12}} = \frac{3}{4}$ $⇒\frac{\frac{890+12x}{12}}{ \frac{1246}{12}} = \frac{3}{4}$ $⇒\frac{890+12x}{1246} =
Question : If $\theta$ is an acute angle and $\sin \theta \cos \theta=2 \cos ^3 \theta-\frac{1}{4} \cos \theta$, then the value of $\sin \theta$ is:
Option 1: $\frac{\sqrt{15}-1}{8}$
Option 2: $\frac{\sqrt{15}-1}{4}$
Option 3: $\frac{\sqrt{15}+1}{4}$
Option 4: $\frac{\sqrt{15}-1}{2}$
Correct Answer: $\frac{\sqrt{15}-1}{4}$
Solution : Given that $\sin \theta \cos \theta=2 \cos ^3 \theta-\frac{1}{4} \cos \theta$ ⇒ $\sin \theta=2 \cos ^2 \theta-\frac{1}{4}$ ⇒ $\sin \theta=2-2 \sin ^2 \theta-\frac{1}{4}$ ⇒ $2 \sin ^2 \theta + \sin \theta=\frac{7}{4}$ Let $\sin\theta=x$ Hence, the Expression becomes: $8x^2+4x-7=0$ Comparing with $ax^2+bx+c=0$ $a=8, b=4,$ and $c=-7$
Question : A table fan is marked at INR 1,700 and a discount of 15% is given. What is its selling price (in INR)?
Option 1: 1,454
Option 2: 1,425
Option 3: 1,445
Option 4: 1,554
Correct Answer: 1,445
Solution : Marked price = INR 1,700 Discount = 15% of marked price Selling price = 85% of marked price = 0.85 × 1700 = INR 1,445 Hence, the correct answer is 1,445.
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