Staff Selection Commission Sub Inspector Exam
Question : When was our national anthem first sung, and where?
Option 1: 24th January 1950 in Allahabad
Option 2: 24th January 1950 in Delhi
Option 3: 26th December 1942 in Calcutta
Option 4: 27th December 1911 in Calcutta
Correct Answer: 27th December 1911 in Calcutta
Solution : The correct answer is 27 December 1911 in Calcutta.
It was originally a Bengali poem that was later translated into Hindi. The translator of the poem is Abid Ali. It takes a total of 52 seconds to complete this anthem.
Question : The value of $\frac{427 \times 427 \times 427+325 \times 325 \times 325}{42.7 \times 42.7+32.5 \times 32.5-42.7 \times 32.5}$ is:
Option 1: 75.2
Option 2: 752
Option 3: 75200
Option 4: 7520
Correct Answer: 75200
Solution : $\frac{427 \times 427 \times 427+325 \times 325 \times 325}{42.7 \times 42.7+32.5 \times 32.5-42.7 \times 32.5}$ = $\frac{(42.7 \times 42.7+32.5 \times 32.5-42.7 \times 32.5)(42.7+32.5)(10^3)}{42.7 \times 42.7+32.5 \times 32.5-42.7 \times 32.5}$ = $75.2 × 10^3$ = $75200$ Hence, the correct answer is 75200.
Question : Directions: Find the missing number from the given responses.
Option 1: 128
Option 2: 64
Option 3: 72
Option 4: 108
Correct Answer: 64
Solution : On moving in the anticlockwise direction, (starting from 16), the first three numbers are the squares of 4, 6, and 8, and the next three are the cubes of 4, 6, and 8. (4)2 = 16; (6)2 = 36; (8)2 = 64;
Question : Dhiru can dig $\frac{1}{a}$ of a field in 20 hours. What fraction of the same field can Kaku dig 20 hours if the two of them can dig the field in 60 hours, working together at their respective rates?
Option 1: $\frac{(a-3)}{a}$
Option 2: $\frac{1}{3a}$
Option 3: $\frac{3a}{(3-a)}$
Option 4: $\frac{(a-3)}{3a}$
Correct Answer: $\frac{(a-3)}{3a}$
Solution : Time taken by Dhiru and Kaku together = 60 hours Efficiency of Dhiru and Kaku together = $\frac{1}{60}$ Time taken by Dhiru alone to dig $\frac{1}{a}$ of a field = 20 hours Efficiency of Dhiru = $\frac{1}{20a}$ Efficiency of Kaku = $\frac{1}{60}$ – $\frac{1}{20a}$ =
Question : Select the most appropriate option that can substitute the underlined words in the given sentence. Kiran’s teacher was doubtful on her success.
Option 1: doubtful beyond
Option 2: doubtful in
Option 3: doubtful off
Option 4: doubtful of
Correct Answer: doubtful of
Solution : The correct answer to this question is the fourth option.
The substitute "doubted her success" conveys the same meaning in a more grammatically correct and natural way. It accurately reflects that Kiran's teacher had doubts or reservations about Kiran's potential for success.
The correct
Question : The temple at Lepakshi famous for its hanging pillars and constructed in Vijayanagara style is also called _______ temple.
Option 1: Mahalakshmi
Option 2: Veerabhadra
Option 3: Mahakaal
Option 4: Murugan
Correct Answer: Veerabhadra
Solution : The correct answer is Veerabhadra.
Veerabhadra Lepakshi temple is located in Anantapur district in Andhra Pradesh and this temple is famous for its hanging pillars.
Question : A, B and C can do a piece of work in 20 days, 30 days and 60 days respectively. If A works daily and on every third day B and C also work with A, then in how many days, will the work be completed?
Option 1: 21
Option 2: 18
Option 3: 12
Option 4: 15
Correct Answer: 15
Solution : The rates at which A, B, and C can complete the work are $\frac{1}{20}$, $\frac{1}{30}$, and $\frac{1}{60}$ of the work per day, respectively. In a cycle of three days, A works for three days, B works for one day, and C works for one day.
Question : $\frac{\sqrt{24} + \sqrt{216}}{\sqrt{96}}$ is equal to:
Option 1: $3\sqrt{6}$
Option 2: $2\sqrt{6}$
Option 3: $4\sqrt{6}$
Option 4: $2$
Correct Answer: $2$
Solution : Given $\frac{\sqrt{24} + \sqrt{216}}{\sqrt{96}}$ Simplifying this expression by factorising the values, $\frac{\sqrt{2\times2\times2\times 3} + \sqrt{2\times2\times2\times3\times3\times3}}{\sqrt{2\times2\times2\times2\times2\times3}}$ = $\frac{\sqrt{4\times6} + \sqrt{6\times36}}{\sqrt{6\times16}}$ = $\frac{2\sqrt{6} + 6\sqrt{6}}{4\sqrt{6}}$ = $\frac{8\sqrt{6}}{4\sqrt{6}}$ = $\frac{8}{4}$ = $2$ Hence, the correct answer is 2.
Question : 60 men can complete a work in 40 days. They start to work together but after every 10 days, 5 men leave work. In how many days will the work be completed?
Option 1: 47.5
Option 2: 49.5
Option 3: 42.5
Option 4: 45.5
Correct Answer: 47.5
Solution : Given: 60 men can complete a work in 40 days. Total work = 60 × 40 = 2400 units 60 men worked in 10 days = 600 units 55 men worked in 10 days = 550 units 50 men worked in 10 days = 500
Question : Who among the following is known as the 'Father of Medicine'?
Option 1: Charles Darwin
Option 2: Hippocrates
Option 3: Ernst Hackle
Option 4: Edward Jenner
Correct Answer: Hippocrates
Solution : The correct option is Hippocrates.
Hippocrates is known as the "Father of Medicine." He was a Greek physician who practised from 460 to 377 BCE. His contribution to the development of contemporary Western medicine is acknowledged.
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