Staff Selection Commission Sub Inspector Exam
Question : A boat covers 24 km upstream and 36 km downstream in 6 hours, while it covers 36 km upstream and 24 km downstream in $6\frac{1}{2}$ hours. The speed of the current is:
Option 1: 1 km/hr
Option 2: 2 km/hr
Option 3: 1.5 km/hr
Option 4: 2.5 km/hr
Correct Answer: 2 km/hr
Solution : Given: Time taken by boat to cover 24 km upstream and 36 km downstream = 6 hours Also, the time taken by boat to cover 36 km upstream and 24 km downstream = $6\frac{1}{2}$ hours Let speed of boat in still water = $x$
Question : The value of $\frac{5.35 \times 5.35 \times 5.35+3.65 \times 3.65 \times 3.65}{53.5 \times 53.5+36.5 \times 36.5-53.5 \times 36.5}$ is:
Option 1: 0.09
Option 2: 0.9
Option 3: 90
Option 4: 9
Correct Answer: 0.09
Solution : Given: $\frac{5.35 \times 5.35 \times 5.35+3.65 \times 3.65 \times 3.65}{53.5 \times 53.5+36.5 \times 36.5-53.5 \times 36.5}$ = $\frac{(5.35)^3+(3.65)^3}{(53.5)^2+(36.5)^2-53.5 \times 36.5}$ = $\frac{(5.35+3.65)((5.35)^2+(3.65)^2-5.35 \times 3.65)}{100\times[(5.35)^2+(3.65)^2-5.35 \times 3.65]}$ = $\frac{5.35+3.65}{100}$ = $\frac{9}{100}$ = 0.09 Hence, the correct answer is 0.09.
Question : Guru Bipin Singh, who received the honour of Sangeet Natak Akademi Award in 1966 and the Kalidas Samman by Madhya Pradesh Government, was an exponent of which of the following Indian classical dance forms?
Option 1: Odissi
Option 2: Manipuri
Option 3: Kuchipudi
Option 4: Kathak
Correct Answer: Manipuri
Solution : The correct answer is Manipuri.
Guru Bipin Singh was a Manipuri dancer and was awarded with Sangeet Natak Akademi Award in 1966. He was a director, choreographer, and teacher of Manipuri dance. He was regarded as the Father of Manipuri dance. Under his guidance,
Question : Directions: In the following question, a sentence is given with a blank that is to be filled in with an appropriate word. Four alternatives are suggested; choose the correct alternative out of them as your answer.
His profession is teaching, but his _______ is photography.
Option 1: vacation
Option 2: vocation
Option 3: vocative
Option 4: avocation
Correct Answer: vocation
Solution : The correct choice is the second option.
Vocation means a person's employment or main occupation is regarded as particularly worthy and requires dedication. This is the correct answer, as it fits the context of the sentence, describing the person's primary profession.
The meanings of other
Question : Directions: Select the number that can replace the question mark (?) in the following series. 1, 1, 2, 3, 7, 22, ?
Option 1: 157
Option 2: 156
Option 3: 155
Option 4: 152
Correct Answer: 155
Solution : Given: 1, 1, 2, 3, 7, 22, ?
Multiply the first two terms and then add 1 to obtain the third term and follow the same pattern for the next term. (1 × 1) + 1 = 2; (1 × 2) + 1 = 3;
Question : Directions: In the following questions, choose the correct alternative which will improve the part of the sentence given in quotes.
The black sky 'was illuminated' by forked lighting.
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 4
Solution : The correct choice is the fourth option.
There is no error in the given sentence. It is grammatically correct. It is in the passive form of the simple past tense, in which we use the past participle form of the main verb.
Therefore, the
Question : What amount of "Seed Capital" is provided as support to a Self-Help Group under the Pradhan Mantri Formalisation of Micro Food Processing Enterprises Scheme?
Option 1: INR 20,000
Option 2: INR 30,000
Option 3: INR 50,000
Option 4: INR 40,000
Correct Answer: INR 40,000
Solution : The correct answer is INR 40,000.
Those involved in food processing will receive seed funding worth Rs. 40,000 per SHG member for working capital and the acquisition of small tools. SHGs engaged in ODOP produce would receive priority when it came to receiving seed
Question : Directions: In a certain language REKHA is written as NOPST, RESHAM is written as NOHSTQ and SHYAM is written as HSLTQ. What will be SHAME written as?
Option 1: SHQTO
Option 2: HSTQO
Option 3: HSTOQ
Option 4: SHQOT
Correct Answer: HSTQO
Solution : Given: REKHA is written as NOPST, RESHAM is written as NOHSTQ and SHYAM is written as HSLTQ.
Each letter of the word is assigned an individual letter code – R→N, E→O, K→P, H→S, A→T Thus, REKHA is written as NOPST. And, RESHAM is written as
Question : A kite is flying at a height of 50 metres. If the length of the string is 100 metres, then the inclination of the string to the horizontal ground in degree measure is:
Option 1: 90°
Option 2: 60°
Option 3: 45°
Option 4: 30°
Correct Answer: 30°
Solution : Given: A kite is flying at a height of 50 metres. The length of the string is 100 metres. We know that $\sin\theta=\frac{\text{perpendicular}}{\text{hypotenuse}}$ $\text{Hypotenuse}$ = 100 m $\text{Perpendicular}$ = 50 m ⇒ $\sin\theta=\frac{50}{100}$ ⇒ $\sin\theta=\frac{1}{2}$ ⇒ $\sin\theta=\sin30°$ ⇒ $\theta=30°$ Hence, the correct answer is 30°.
Question : Directions: In each of the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it? ab_dda_ccd_bb_d_
Option 1: ccaac
Option 2: cbaca
Option 3: cbcba
Option 4: cbbcd
Correct Answer: cbaca
Solution : Given: ab_dda_ccd_bb_d_
To fill the series we have to divide the series – ab_d / da_c / cd_b / b_d_ Let's check the options – First option: ccaac; abcd / dacc / cdab / badc (No
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