Staff Selection Commission Sub Inspector Exam
Question : Directions: In a certain code language, ACTOR is coded as ROYCA, and NURSE is coded as ESWUN. How will JUDGE be coded in the same language?
Option 1: EGJUI
Option 2: GEIUJ
Option 3: EGUIJ
Option 4: EGIUJ
Correct Answer: EGIUJ
Solution : Given: ACTOR is coded as ROYCA, and NURSE is coded as ESWUN.
Change the position of the first two and last two letters and add 5 to the positional value of the third letter of ACTOR, to obtain the required code –
Thus, ACTOR is
Question : Directions: In the following number series, two numbers have been put within brackets. Select the most appropriate option for these numbers in relation to their inclusion in the series. 21, 24, 19, (29), 17, 28, (15), 30
Option 1: The first bracketed number (from the left) is correct and the second bracketed number (from the left) is incorrect.
Option 2: Both the bracketed numbers are correct.
Option 3: The first bracketed number (from the left) is incorrect and the second bracketed number (from the left) is correct.
Option 4: Both the bracketed numbers are incorrect.
Correct Answer: The first bracketed number (from the left) is incorrect and the second bracketed number (from the left) is correct.
Solution : Given: 21, 24, 19, (29), 17, 28, (15), 30
The pattern is as follows –
Therefore, the first bracketed number (from the left) is incorrect it should
Question : Directions: Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements. Statements: 1. Some dancers are singers. 2. No singer is an actor. Conclusions: I. Some actors are singers. II. All singers are dancers.
Option 1: Neither conclusion I nor II follows
Option 2: Only conclusion I follows
Option 3: Either conclusion I or II follows
Option 4: Only conclusion II follows
Correct Answer: Neither conclusion I nor II follows
Solution : The possible Venn diagram, according to the given statements is as follows –
Let's analyse the conclusions – Conclusion (I): Some actors are singers – From the Venn diagram, it is evident that there is a negative relation between actors
Question : $7 \sin ^2 A+3 \cos ^2 A=4$, then find $\cot A$:
Option 1: $\sqrt{3}$
Option 2: $\sqrt{2}$
Option 3: $\frac{1}{\sqrt{2}}$
Option 4: $\frac{1}{\sqrt{3}}$
Correct Answer: $\sqrt{3}$
Solution : $7 \sin ^2 A+3 \cos ^2 A=4$ $7 \sin ^2 A+3(1-\sin ^2 A)=4$ $7 \sin ^2 A+3-3 \sin ^2 A=4$ $4 \sin ^2 A=1$ $ \sin ^2 A=\frac{1}{4}$ $ \sin A=\frac{1}{2}$ $\therefore A = 30^{\circ}$ $\cot A = \cot 30^{\circ} = \sqrt3 $ Hence, the
Question : In a big garden, 60% of the trees are coconut trees, 25% of the coconut trees are mango trees and 20% of the mango trees are apple trees. If the number of apple trees is 1500, the number of trees in the garden is:
Option 1: 48000
Option 2: 50000
Option 3: 51000
Option 4: 45000
Correct Answer: 50000
Solution : Let us assume that the total number of trees in the garden is 100 units. Coconut trees = 60 units Mango trees = 60 × 0.25 = 15 units Apple trees = 15 × 0.2 = 3 units As per the question, 3 units =
Question : Which of the following wars ended with the Treaty of Salbai?
Option 1: Third Battle of Panipat
Option 2: Battle of Buxar
Option 3: First Maratha War
Option 4: Second Anglo-Maratha War
Correct Answer: First Maratha War
Solution : The correct option is the First Maratha War.
The Treaty of Salbai concluded the First Anglo-Maratha War, which took place from 1775 to 1782. The treaty was signed on May 17, 1782, between the British East India Company and the Maratha Empire.
Question : Directions: A series is given below with one term missing. Choose the correct alternative from the given ones that will complete the series. ABC, BDF, CFI, ?
Option 1: DLH
Option 2: LDH
Option 3: DIL
Option 4: DHL
Correct Answer: DHL
Solution : Given: ABC, BDF, CFI, ?
Add 1, 2, and 3 in the place value of the first, second, and third terms – ABC→A + 1 = B; B + 2 = D; C + 3 = F→BDF BDF→B + 1 = C; D + 2
Question : The average weight of a group of 3 people A. B and C is 70 kg. When D joins this group, the average becomes 60 kg. One man E, whose weight is 5 kg more than that of D, replaces A and the average weight of B, C, D, and E now becomes 59 kg. A's weight (in kg) is:
Option 1: 50
Option 2: 40
Option 3: 39
Option 4: 59
Correct Answer: 39
Solution : Let the weights of A, B, C, D, and E as a, b, c, d, and e respectively. From the problem, a + b + c = 210 -------------(1) a + b + c + d = 240 ----------------(2) e = d + 5 ------------------------(3)
Question : Select the misspelt word.
Option 1: pierce
Option 2: relieve
Option 3: deceive
Option 4: riegn
Correct Answer: riegn
Solution : The correct choice is the fourth option.
The incorrectly spelt word is "riegn". Reign is the correct spelling. It means to rule as a monarch or authority.
The meanings of the other options are as follows:
Question : Directions: In the following question, select the related word from the given alternatives. Alluring : Beautiful :: Playful : ?
Option 1: Whimsical
Option 2: Tragic
Option 3: Vicious
Option 4: Uncanny
Correct Answer: Whimsical
Solution : Given: Alluring : Beautiful :: Playful : ?
Like, alluring and beautiful are synonyms of each other. Similarly, the synonym for playful is whimsical.
Hence, the first option is correct.
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