Staff Selection Commission Sub Inspector Exam
Question : Directions: Which one of the given responses would be a meaningful order of the following words? (a) Birth (b) Death (c) Childhood (d) Infancy (e) Adolescence (f) Adulthood (g) Old age
Option 1: b, f, g, e, d, c, a
Option 2: a, d, c, e, f, g, b
Option 3: a, d, c, f, e, g, b
Option 4: b, g, f, d, e, c, a
Correct Answer: a, d, c, e, f, g, b
Solution : Given:
(a) Birth (b) Death (c) Childhood (d) Infancy (e) Adolescence (f) Adulthood (g) Old age
The given words can be arranged in a meaningful order that accurately represents the different stages of the human life cycle. This order
Question : Directions: Select the related cluster of letters from the given alternatives. MTBO : KRZM :: RJMD : ?
Option 1: PHKB
Option 2: PHKA
Option 3: HPKA
Option 4: PHBK
Correct Answer: PHKB
Solution : Given: MTBO : KRZM :: RJMD : ?
Subtract 2 from each letter MTBO and RJMD to obtain the related clusters. M – 2 = K; T – 2 = R; B – 2 = Z; O – 2 = M Similarly, R – 2
Question : Which of the following is the major copper-producing country?
Option 1: Sri Lanka
Option 2: Indonesia
Option 3: Chile
Option 4: Russia
Correct Answer: Chile
Solution : The correct answer is Chile.
Chile is the largest copper producer and exporter in the world. It accounts for 27% of the global copper production. China is the main importer of Copper. Chile is followed by the Democratic Republic of Congo, China, the United
Question : Directions: In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it? b_cd_d_bcc_cdb_
Option 1: dbbbc
Option 2: bddcb
Option 3: dccbd
Option 4: bcccb
Correct Answer: bddcb
Solution : Given: b_cd_d_bcc_cdb_
To fill the series we have to divide the series – b_cd_/d_bcc/_cdb_ Let's check the options – First option: dbbbc; bdcdb/dbbcc/bcdbc (No pattern has been found.) Second option: bddcb; bbcdd/d
Question : Directions: Select the option that is related to the third letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster. ZODIAC : DOZCAI :: MISTER : ?
Option 1: SFUTJN
Option 2: NITUFS
Option 3: SIMRET
Option 4: SMIRTE
Correct Answer: SIMRET
Solution : Given: ZODIAC : DOZCAI :: MISTER : ?
Change the position of the letters of ZODIAC as shown, to obtain the required code –
Thus, ZODIAC is coded as DOZCAI. Similarly, follow the same pattern for MISTER : ? →
Thus, MISTER is coded as
Question : Directions: In the following question, some parts of the sentence may have some errors. Find out which part of the sentence has an error and select the appropriate option. If the sentence is free from error, select "No error".
I have (1) / known him (2) / since two years. (3) / No error (4)
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (3)
Solution : The error lies in the third part of the sentence.
The preposition since should be changed to for. When referring to a duration of time, one should use for to indicate how long something has been happening. Since is used to pinpoint a specific point
Question : Sudeep invested $\frac{1}{8}$th of a certain sum at 5% p.a. for two years and $\frac{3}{5}$th of the sum at 6% p.a. for two years and the remaining at 10% p.a. for two years. If the total interest received is INR 1,674, then the total sum invested is:
Option 1: INR 13,000
Option 2: INR 12,000
Option 3: INR 10,500
Option 4: INR 12,500
Correct Answer: INR 12,000
Solution : Let total sum be INR $x$. Remaining part $=x - \frac{x}{8} - \frac{3x}{5}=\frac{40x - 5x - 24x}{40}=\frac{11x}{40}$ According to the question ⇒ $\frac{(x × \frac{1}{8} × 5 × 2)}{100} + \frac{(x × \frac{3}{5} × 6 × 2)}{100} + \frac{(x × \frac{11}{40} × 10 ×
Question : A man read $\frac{2}{5}$th of a book on the first day. He read $\frac{1}{3}$rd more on the second day than he read on the first day. 15 pages were left for the third day. The number of pages in the book is:
Option 1: 100
Option 2: 105
Option 3: 225
Option 4: 250
Correct Answer: 225
Solution : Let the number of pages be $x$. Given: 1st day he read = $\frac{2x}{5}$ 2nd day = $\frac{2x}{5} + [\frac{2x}{5}\times\frac{1}{3}] = \frac{2x}{5} + \frac{2x}{15} = \frac{8x}{15}$ Remaining pages = $x - [\frac{2x}{5} + \frac{8x}{15}]$ = $x - \frac{14x}{15}$ = $\frac{x}{15}$ According to the question, $\frac{x}{15}$
Question : In a triangle ABC, if $\angle B=90^{\circ}, \angle C=45^{\circ}$ and AC = 4 cm, then the value of BC is:
Option 1: $\sqrt{2} \mathrm{~cm}$
Option 2: $4 \mathrm{~cm}$
Option 3: $2 \sqrt{2} \mathrm{~cm}$
Option 4: $4 \sqrt{2} \mathrm{~cm}$
Correct Answer: $2 \sqrt{2} \mathrm{~cm}$
Solution : AC = 4 cm $\angle B=90^{\circ}$ $\angle C=45^{\circ}$ $\therefore \angle A = 180^{\circ}-(90^{\circ}+45^{\circ}) = 45^{\circ}$ Since $\angle A= \angle C$, $AB = BC$ -----------(i) By Pythagoras theorem, $AB^2 + BC^2 = AC^2$ ⇒ $BC^2 + BC^2 = 4^2$ ⇒ $2BC^2 = 16$ ⇒
Question : A big cube is formed by arranging the 160 coloured and 56 non-coloured similar cubes in such a way that the exposure of the coloured cubes to the outside is minimal. The percentage of exposed area that is coloured is:
Option 1: 25.9%
Option 2: 44.44%
Option 3: 35%
Option 4: 46%
Correct Answer: 44.44%
Solution : Total number of cubes = 160 + 56 = 216 Thus, side of cube = $\sqrt[3]{216}$ = 6 unit No. of cubes without exposure = (6 – 2)3 = 64 Thus, 64 coloured cubes will not be exposed. Now, Number of coloured cubes on
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