Staff Selection Commission Sub Inspector Exam
Question : A and B can complete a work in 36 days and 45 days respectively. They worked together for 2 days and then A left the work. In how many days will B complete the remaining work?
Option 1: 41.5
Option 2: 40
Option 3: 41
Option 4: 40.5
Correct Answer: 40.5
Solution : The rate at which A works is $\frac{1}{36}$ work per day and the rate at which B works is $\frac{1}{45}$ work per day. Together, A and B can do $\frac{1}{36} + \frac{1}{45} = \frac{9}{180} = \frac{1}{20}$ work per day. So, in 2 days, A and
Question : _______________ received the Naatya Padhmam award from Brahma Gana Sabha on 24 December 2021.
Option 1: Priyadarshini Govind
Option 2: Srekala Bharath
Option 3: Rekha Prakash
Option 4: Harinie Jeevitha
Correct Answer: Srekala Bharath
Solution : The correct option is Srekala Bharath.
Renowned dancer Srekala Bharath was honoured with the prestigious Naatya Padhmam award by Brahma Gana Sabha in Chennai on December 24, 2021. The award ceremony recognised her outstanding contributions to the field of dance, showcasing her excellence
Question : Directions: Select the option that is related to the fifth letter cluster in the same way as the second letter cluster is related to the first letter cluster and the fourth letter cluster is related to the third letter cluster. TEMPLE : SCJLGY :: CHURCH : BFRNXB :: MOSQUE :?
Option 1: LMPYPM
Option 2: LMPYMP
Option 3: LPYMPM
Option 4: LMPMPY
Correct Answer: LMPMPY
Solution : Given: TEMPLE : SCJLGY :: CHURCH : BFRNXB :: MOSQUE :?
Subtract 1 to 6 in increasing order from the letters of TEMPLE, to obtain the required code –
Thus, TEMPLE is coded as SCJLGY. And in, CHURCH : BFRNXB –
Thus, CHURCH is coded
Question : Directions: In the following, two questions, given below are the two matrices each containing two classes of letters from the alphabet. The columns and rows of Matrix I are prime numbered and Matrix II are compositely numbered. Letters from these matrices can be represented first by their row number and next by their column number. e.g. P can be written as 48, 66, 84, etc. In the following questions identify one set of number pairs out of (1), (2), (3), and (4) which represented the given word. ROME
Option 1: 57, 55, 52, 88
Option 2: 23, 25, 27, 49
Option 3: 64, 35, 33, 32
Option 4: 96, 73, 77, 72
Correct Answer: 23, 25, 27, 49
Solution : Given: ROME
Number representations of each letter – R→23, 32, 55, 77 O→25, 33, 57, 72 M→27, 35, 52, 73 E→49, 64, 88, 96
First option: 57, 55, 52, 88; R and O cannot be represented as 57 and 55 respectively. Second
Question : A string of length 24 cm is bent first into a square and then into a right-angled by keeping one side of the square fixed as its base. Then the area of a triangle equals to:
Option 1: 24 cm2
Option 2: 60 cm2
Option 3: 40 cm2
Option 4: 28 cm2
Correct Answer: 24 cm2
Solution : The side of the square = $\frac{24}{4}$ = 6 cm The base of the triangle is 6 cm. The perimeter of the triangle is 24 cm. Using the Pythagoras triplets (i.e. 6, 8, and 10). So, the height of the triangle is 8
Question : Directions: In the following question, select the word that cannot be formed using the letters of the given word. CAPABILITIES
Option 1: PLATE
Option 2: TILE
Option 3: PALATE
Option 4: PAYABLE
Correct Answer: PAYABLE
Solution : Given: CAPABILITIES
Now let's compare all the option words with the word CAPABILITIES – First option: PLATE; All the letters of PLATE are present in the word CAPABILITIES. Second option: TILE; All the letters of TILE are present in the word CAPABILITIES. Third option: PALATE;
Question : The average age of Rustam and Preetam is 39 years. The average age of Preetam and Geetam is 28 years. The average age of Rustam and Geetam is 34 years. What will be the age (in years) of the youngest of the three after 10 years?
Option 1: 13
Option 2: 23
Option 3: 33
Option 4: 43
Correct Answer: 33
Solution : Let the ages of Rustam, Preetam, and Geetam be $r,p,$ and $g,$ respectively. Given: $\frac{r + p}{2} = 39$ ⇒ $r + p = 78$ ⇒ $p = 78-r$ ...........(1) And $\frac{p + g}{2} = 28$ ⇒ $p + g = 56$ ...........(2) Also, $\frac{r
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 B alone complete the same work?
Option 1: 45
Option 2: 60
Option 3: 90
Option 4: 120
Correct Answer: 90
Solution : Let the rates at which A, B, and C can complete the work as $a, b$, and $c$. These rates are the reciprocals of the time it takes each person to complete the work. From the problem, $⇒a + b = \frac{1}{36}$ (A and B
Question : Select the INCORRECTLY spelt word.
Option 1: Quarrelsome
Option 2: Ecclesiastical
Option 3: Bovine
Option 4: Calamitious
Correct Answer: Calamitious
Solution : The fourth option is correct.
Question : Directions: Study the bar diagram and answer the questions. Value per bag was minimum in:
Option 1: 2001
Option 2: 1999
Option 3: 1996
Option 4: 1997
Correct Answer: 1996
Solution : As per the given graph, The value per lakhs bag for the years 2001 = $\frac{120}{50}$ = Rs. 2.4 crores The value per lakhs bag for the years 1999 = $\frac{150}{100}$ = Rs. 1.5 crores The value per lakhs bag for the years 1996 =
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