Staff Selection Commission Sub Inspector Exam
Question : Directions: Which letter cluster will replace the question mark (?) to complete the given series? MKPN, LMOP, ?, JQMT, ISLV
Option 1: KOLT
Option 2: KNNQ
Option 3: KNMR
Option 4: KONR
Correct Answer: KONR
Solution : Given: MKPN, LMOP, ?, JQMT, ISLV
Subtract 1 from the place value of the first and the third letters and add 2 to the place value of the second and fourth letters of the previous term to obtain the next term in the series –
Question : Simplify: $(x+y)^3-(x-y)^3-6y(x^2-y^2)$
Option 1: $8y^3$
Option 2: $x^3$
Option 3: $8x^2$
Option 4: $y^3$
Correct Answer: $8y^3$
Solution : $(x+y)^3-(x-y)^3-6y(x^2-y^2)$ $=(x^3+3x^2y+3xy^2+y^3)-(x^3-3x^2y+3xy^2-y^3)-6x^2y+6y^3$ $=x^3+3x^2y+3xy^2+y^3-x^3+3x^2y-3xy^2+y^3-6x^2y+6y^3$ $=y^3+y^3+6y^3$ $=8y^3$ Hence, the correct answer is $8y^3$.
Question : Directions: Given here is a graph showing the number of workers with their daily payment by a workshop. Study the graph and answer questions based on this graph. The total daily payment made to the group, which contains 9 workers, is (in Rs.):
Option 1: 400
Option 2: 315
Option 3: 480
Option 4: 135
Correct Answer: 315
Solution : According to given bar graph in question, The daily payment made to each worker which contains 9 workers = Rs. 35 $\therefore$ Required total daily payment = 35 × 9 = Rs. 315 Hence, the correct answer is 315.
Question : Study the graph and answer the question. In how many years were the exports of type B cars more than the average exports of type A cars from 2012 to 2016?
Option 1: 2
Option 2: 3
Option 3: 1
Option 4: 4
Correct Answer: 4
Solution : Average exports of type A cars from 2012 to 2016 = $\frac{275+250+225+260+340}{5}$ = $\frac{1350}{5}$ = 270 Required number of years = 4 Hence, the correct answer is 4.
Question : The Summer Olympic Games 2000 were held at:
Option 1: Paris
Option 2: Athens
Option 3: Seoul
Option 4: Sydney
Correct Answer: Sydney
Solution : The correct answer is Sydney.
The 2000 Summer Olympic Games were hosted in Sydney, Australia. The event, held from September 15 to October 1, marked the first time the Olympics took place in the Southern Hemisphere in over four decades. Sydney successfully organized the Games,
Question : Select the most appropriate synonym of the given word.
Accredit
Option 1: Certify
Option 2: Confide
Option 3: Rely
Option 4: Trust
Correct Answer: Certify
Solution : The correct choice is the first option.
The word accredit means to officially recognise or give authority to someone or something, typically after meeting certain standards or requirements. Similarly, certify also means to confirm or attest that someone or something has met specific standards or
Question : What is the full form of 'CARE' the third credit rating agency in India?
Option 1: Credit Analysis and Rating Enterprise
Option 2: Credit Agency of Rating Equities
Option 3: Credit Agency of Rating Enterprise
Option 4: Credit Analysis and Research
Correct Answer: Credit Analysis and Research
Solution : The correct answer is Credit Analysis and Research.
CARE Rating Agency started its operations in 1993 and has established itself as the leading credit rating agency in India. CARE provides ratings for industries such as the infrastructure sector, financial sectors, banking and
Question : The President of India decides on the question as to the disqualification of members of Parliament in consultation with the ________.
Option 1: Supreme Court of India
Option 2: Parliament
Option 3: Vice president
Option 4: Election Commission of India
Correct Answer: Election Commission of India
Solution : The correct answer is the Election Commission of India.
In the event of a dispute regarding the disqualification of a Member of Parliament, the matter should be presented to the President, whose decision, as per Article 103, will be conclusive, taking
Question : Directions: Four pairs of letter clusters have been given out of which three are alike in some manner, while one is different. Choose the odd one.
Option 1: GJB – ROW
Option 2: EFR – VUI
Option 3: DFL – USM
Option 4: IKN – PNK
Correct Answer: EFR – VUI
Solution : Let's check each option: First Option: GJB – ROW; In the second letter cluster opposite alphabet are written of the first letter cluster; G→R; J→O; B→W Second Option: EFR – VUI→This doesn't follow the rule as R is not opposite to I. Third
Question : If $x:y=3:4$, then $4x+5y:5x–2y=?$
Option 1: $7:32$
Option 2: $32:7$
Option 3: $4:3$
Option 4: $5:2$
Correct Answer: $32:7$
Solution : Given: $x:y=3:4$ --------------------------------(1) Or, $\frac{x}{y}=\frac{3}{4}$ Now, $(4x+5y):(5x–2y)$ Dividing by $y$ in the numerator and the denominator, we get, $[4(\frac{x}{y})+5]:[5(\frac{x}{y})–2]$ = $[4(\frac{3}{4})+5:5(\frac{3}{4})–2]$ (Putting the value of $\frac{x}{y}$ from equation 1) = $(3+5):(\frac{15}{4}–2)$ = $8:(\frac{15–8}{4})$ = $8:\frac{7}{4}$ = $32:7$ Hence, the correct answer is $32:7$.
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