Staff Selection Commission Combined Higher Secondary Level Exam
Question : The area of a sector of a circle is 616 cm2 with a central angle of 10°. The radius of the circle is_____. (use $\pi=\frac{22}{7}$)
Option 1: 84 cm
Option 2: 21 cm
Option 3: 48 cm
Option 4: 28 cm
Correct Answer: 84 cm
Solution : The area of a sector of a circle is 616 cm2 with a central angle of 10°. Let the radius of the circle = $r$ cm We know, The area of a sector of a circle with a central angle of $\theta=(\pi r^2×\frac{\theta}{360^\circ})$
Question : Hari Prasad Chaurasia is associated with which of the following instruments?
Option 1: Tabla
Option 2: Bansuri
Option 3: Veena
Option 4: Drum
Correct Answer: Bansuri
Solution : The correct option is Bansuri.
Hari Prasad Chaurasia is associated with the flute, specifically the bansuri, which is a bamboo transverse flute used in the classical music of India. He is a renowned and highly accomplished Indian flutist known for his mastery of this instrument.
Question : As of November 2022, who is the first citizen of India?
Option 1: Amit Shah
Option 2: Droupadi Murmu
Option 3: Narendra Modi
Option 4: Sonia Gandhi
Correct Answer: Droupadi Murmu
Solution : The correct option is Droupadi Murmu.
Droupadi Murmu is the 15th President of India since 2022. She is the first citizen of this country, as provided by the Constitution of India. She is the first person belonging to the tribal community and the
Question : A manufacturer faces a -1.2 price elasticity of demand for its product. It is presently selling 7,500 units per day. If it wants to increase the quantity sold by 9%, it must lower its price by
Option 1: 7.5%
Option 2: 7.8%
Option 3: 10.2%
Option 4: 10%
Correct Answer: 7.5%
Solution : The correct answer is 7.5%.
To determine how much the manufacturer should lower its price to increase the quantity sold by 9%, we can use the formula for price elasticity of demand:
Price Elasticity of Demand (PED) = (%Change in Quantity Demanded)/(% Change in
Question : Mycoplasma is associated with a diseases that affects the organs of:
Option 1: respiration
Option 2: excretion
Option 3: reproduction
Option 4: digestion
Correct Answer: respiration
Solution : The correct option is respiration.
Mycoplasma is linked to diseases of the respiratory organs, notably infections of the lungs and respiratory tract. Mycoplasma pneumoniae, for example, is responsible for a kind of atypical pneumonia known as "Mycoplasma pneumonia" or "walking pneumonia." This infection typically affects
Question : Directions: In a certain code language, A + B means A is the wife of B, A – B means A is the father of B, A × B means A is the sister of B, A ÷ B means A is the brother of B. Based on the above, how is V related to Z if V ÷ W + X – Y × Z?
Option 1: Brother
Option 2: Father's Brother
Option 3: Mother's Brother
Option 4: Father's father
Correct Answer: Mother's Brother
Solution : Given: V ÷ W means V is the brother of W. W + X means W is the wife of X. X – Y means X is the father of Y. Y × Z means Y is the sister of Z.
According to the
Question : Kadana Dam of Gujarat is built over which of the following rivers?
Option 1: Mahi
Option 2: Manjira
Option 3: Tapti
Option 4: Sabarmati
Correct Answer: Mahi
Solution : The correct answer is Mahi.
Kadana Dam is on the Mahi River in Mahisagar district of Gujarat. Kadana Dam was constructed between 1979 and 1989. This dam also has a hydroelectric power station. Mahi River rises in Madhya Pradesh and, after flowing in Rajasthan,
Question : Mohan lends Rs. 500 to John and a certain sum to Tom at the same time at a simple interest of 8% per annum. If in 4 years, he altogether receives Rs. 210 as interest from the two, then the sum of money he lent to Tom was:
Option 1: Rs. 144.75
Option 2: Rs. 148
Option 3: Rs. 156.25
Option 4: Rs. 165.50
Correct Answer: Rs. 156.25
Solution : Let the money lent to Tom be Rs. $p$. we know, simple interest = $\frac{\text{Principal × Time × Rate}}{100}$ So, $\frac{500 \times 8 \times 4}{100} + \frac{p \times 8 \times 4}{100}$ = 210 ⇒ 160 + $\frac{32p}{100}$ = 210 ⇒ $\frac{32p}{100}$ = 210 –
Question : Directions: Select the option in which the numbers share the same relationship in the set as that shared by the numbers in the given set. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g.13 - operations on 13 such as adding/subtracting/multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.) (36, 48, 45) (72, 96, 90)
Option 1: (24, 24, 30)
Option 2: (48, 64, 72)
Option 3: (72, 120, 90)
Option 4: (60, 80, 75)
Correct Answer: (60, 80, 75)
Solution : Given: (36, 48, 45); (72, 96, 90)
The pattern is as follows – (36, 48, 45) ⇒ 36 ÷ 12 = 3; 3 + 45 = 48 (72, 96, 90) ⇒ 72 ÷ 12 = 6; 6 + 90 = 96
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Question : Directions: The following tables show the worldwide production of steel in 1920-1927. Study the table and answer the question. The average production of steel is (in million tonnes).
Option 1: 76.09
Option 2: 74.07
Option 3: 77.10
Option 4: 75.13
Correct Answer: 77.10
Solution : Based on given graph in question, Sum of production during 1920–1927 = 71.30 + 43.51 + 67.66 + 76.23 + 77.23 + 88.93 + 91.75 + 100.17 = 616.78 Number of given years = 8 Average production during 1920 – 1927 = $\frac{\text{Sum of production
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