Staff Selection Commission Sub Inspector Exam
Question : The average run rate of a cricket team during the first 20 overs is 4.5. What should be the asking rate per over for the next 30 overs, if it has to chase a target of 282 runs in total?
Option 1: 6.3
Option 2: 6.0
Option 3: 6.4
Option 4: 6.8
Correct Answer: 6.4
Solution : Total runs required in 50 overs = 282 Average of runs in 20 overs = 4.5 ⇒ Total runs scored in first 20 overs = 4.5 × 20 = 90 So, runs needed in the remaining 30 overs = 282 – 90 = 192 $\therefore$
Question : Which among the following is responsible for the rotation of the plane of oscillation of Foucault's pendulum?
Option 1: Centripetal force
Option 2: Viscous drag of air
Option 3: Centrifugal force
Option 4: Coriolis force
Correct Answer: Coriolis force
Solution : The correct answer is Coriolis force.
Coriolis force is responsible for the rotation of the plane of oscillation of Foucault’s pendulum. It is an experiment which was demonstrated in 1851 by a French scientist J. B. Leon Foucault. Coriolis force is due to the
Question : A bus moving at 40 km/hr covers a distance in 6 hours 15 minutes. If it travels the same distance at 50 km/hr, how long will it take to cover the distance?
Option 1: 2 hours
Option 2: 6 hours
Option 3: 4 hours
Option 4: 5 hours
Correct Answer: 5 hours
Solution : Speed = 40 km/hr Time = 6 hr 15 min = 6.35 hours Distance = Speed $\times$ Time = 40 $\times$ 6.25 ⇒ Distance = 250 km Now, speed = 50 km/hr Distance is the same as the distance covered by the bus with
Question : Directions: In the following question, find the odd number from the given alternatives.
Option 1: 95
Option 2: 145
Option 3: 114
Option 4: 152
Correct Answer: 145
Solution : Let's check the given options –
First option: 95; 95 ÷ 19 = 5 Second option: 145; 145 is not divisible by 19. Third option: 114; 114 ÷ 19 = 6 Fourth option: 152; 152 ÷ 19 = 8
So, 145 is not divisible by
Question : A and B can do a piece of work in 36 days. B and C can do the same work in 60 days. A and C can do the same work in 45 days. In how many days can A alone complete the same work?
Option 1: 90
Option 2: 60
Option 3: 120
Option 4: 45
Correct Answer: 90
Solution : According to the question, Let the total Work = LCM of 36, 60 and 45 = 180 The efficiency of (A + B) = $\frac{180}{36}$ = 5 units/day The efficiency of (B + C) = $\frac{180}{60}$ = 3 units/day The efficiency of (C + A)
Question : Which among the following is incorrect about the salient features of the 73rd Amendment Act?
Option 1: The Act gives a Constitutional status to the Panchayati Raj Institutions
Option 2: It contains 29 functional items of the Panchayats and deals with Articles 243 to 243(O)
Option 3: The act has added the Eleventh Schedule to the Constitution of India
Option 4: The act corresponds to Part III of the Constitution of India
Correct Answer: The act corresponds to Part III of the Constitution of India
Solution : The correct answer is The act corresponds to Part III of the Constitution of India.
Part IX of the Indian Constitution (The Panchayats) was included by the 73rd Constitution Amendment Act of 1992. It
Question : The hydrophilic nature of DNA is due to the presence of:
Option 1: thymine base
Option 2: many hydrogen bonds
Option 3: phosphate group
Option 4: deoxyribose sugar
Correct Answer: phosphate group
Solution : The correct option is the phosphate group.
Being hydrophilic refers to having an affinity for water or having the ability to interact with it by forming hydrogen bonds. Due to the presence of phosphate groups, which have a negative charge from extra electrons, and
Question : Select the most appropriate option to substitute the underlined segment in the given sentence. If there is no need to substitute it, select ‘No substitution required’. Because she didn’t love him, she had to marry him
Option 1: Despite
Option 2: No substitution required
Option 3: Since
Option 4: Although
Correct Answer: Although
Solution : The fourth option is the correct answer.
The sentence currently presents a causal relationship, indicating that the reason for her marrying him is because she didn't love him. "Although" introduces a contrast or concession, indicating that despite the fact that she didn't love him, she
Question : The number 1563241234351 is:
Option 1: divisible by 11 but not by 3
Option 2: neither divisible by 3 nor by 11
Option 3: divisible by both 3 and 11
Option 4: divisible by 3 but not by 11
Correct Answer: neither divisible by 3 nor by 11
Solution : The sum of the digits of the number 1563241234351 $=1\ +\ 5\ +\ 6\ +\ 3\ +\ 2\ +\ 4\ +\ 1\ +\ 2\ +\ 3\ +\ 4\ +\ 3\ +\ 5\ +\ 1$ $= 40$ As we know,
Question : Directions: In the following question, select the one different from the other three alternatives.
Option 1: BADC
Option 2: JILK
Option 3: NMPO
Option 4: VUWX
Correct Answer: VUWX
Solution : Let's check each option –
First option: BADC; B – A = 1 and D – C = 1; The difference between the letters is equal. Second option: JILK; J – I = 1 and L – K = 1; The difference between the letters
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