Staff Selection Commission Sub Inspector Exam
Question : Directions: Which answer figure will complete the pattern in the question figure?
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : On comparing the question figure and all the answer figures, the following figure will combine and make the complete pattern –
Hence, the second option is correct.
Question : Directions: In the following question, some parts of the sentence may have 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".
She has married (1) / a young tall (2) / Australian accountant. (3) / No Error (4)
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (2)
Solution : The correct choice is the second option.
The error is in the order of the adjectives. Adjectives are usually placed in a specific order (size comes before age) before a noun. In this case, "tall" should come before "young".
Therefore, the correct sentence is:
Question : Directions: If A denotes +, B denotes ×, C denotes –, and D denotes ÷ then what will be the value of the following expression? 39 D 13 B 2 C 6 A 8 = ?
Option 1: 10
Option 2: 8
Option 3: 12
Option 4: 9
Correct Answer: 8
Solution : Given: 39 D 13 B 2 C 6 A 8 = ?
After replacing the letters with the mathematical signs, we get – = 39 ÷ 13 × 2 – 6 + 8 = 3 × 2 – 6 + 8 = 6 – 6
Question : A student was asked to find the value of $\frac{\left(2 \frac{1}{3}+2 \frac{1}{2}-\frac{1}{6}\right) \div 2 \frac{1}{3} \times 5 \frac{2}{3} \div 1 \frac{2}{3} \text { of } 4 \frac{1}{4}}{3 \frac{1}{5} \div 4 \frac{1}{2} \text { of } 5 \frac{1}{3}+5 \frac{1}{3} \times \frac{3}{4} \div 2 \frac{2}{3}}$. His answer was $\frac{6}{7}$. What is the difference between the correct answer and his answer?
Option 1: $\frac{9}{14}$
Option 2: $\frac{5}{14}$
Option 3: $\frac{11}{49}$
Option 4: $\frac{6}{49}$
Correct Answer: $\frac{6}{49}$
Solution : Given: $\frac{\left(2 \frac{1}{3}+2 \frac{1}{2}-\frac{1}{6}\right) \div 2 \frac{1}{3} \times 5 \frac{2}{3} \div 1 \frac{2}{3} \text { of } 4 \frac{1}{4}}{3 \frac{1}{5} \div 4 \frac{1}{2} \text { of } 5 \frac{1}{3}+5 \frac{1}{3} \times \frac{3}{4} \div 2 \frac{2}{3}}$ = $\frac{(\frac{7}{3}+\frac{5}{2}-\frac{1}{6}) \div \frac{7}{3} \times \frac{17}{3} \div \frac{5}{3} \text {
Question : Two successive discounts of 30% and 20% are equivalent to a single discount of:
Option 1: 44%
Option 2: 52%
Option 3: 45%
Option 4: 50%
Correct Answer: 44%
Solution : Given: Two successive discounts of 30% and 20%. Single equivalent discount = $(a+b-\frac{a×b}{100})\%$, where $a=30\%$ and $b=20\%$ are successive discounts. $=30+20-\frac{30\times 20}{100}$ $=50-6$ $=44\%$ Hence, the correct answer is 44%.
Question : A _____________ is a deep valley with very steep to straight sides and is almost equal in width at its top and its bottom.
Option 1: gorge
Option 2: relief
Option 3: canyon
Option 4: strait
Correct Answer: gorge
Solution : The correct option is gorge.
A gorge is a deep valley that is about equal in width at both its top and bottom, with walls that range from extremely steep to straight. Rivers and other geological processes erode over time to generate gorges, which
Question : Directions: Study the given pattern carefully and select the number that can replace the question mark (?) in it.
Option 1: 48
Option 2: 52
Option 3: 40
Option 4: 50
Correct Answer: 50
Solution : The sum of the square of columns one, two, and four is equal to the third column –
In the first row: 32 + 22 + 52 = 38 In the third row: 72 + 12 + 22 =
Question : If $x+y+z=19, x y z=216$ and $x y+y z+z x=114$, then the value of $x^3+y^3+z^3+x y z$ is:
Option 1: 1225
Option 2: 1441
Option 3: 361
Option 4: 577
Correct Answer: 1225
Solution : $x + y + z = 19$ --------------(1) $xyz = 216$ --------------------(2) $xy + yz + zx= 114$ -----------(3) Squaring both sides in equation (1) $(x + y + z)^2 = 19^2$ $⇒x^2 + y^2 + z^2 + 2(xy + yz + zx) = 361$
Question : Select the most appropriate phrasal verb to fill in the blank. Though Pradeep _____________ for Jamaica, he landed up in Nigeria.
Option 1: set aside
Option 2: set about
Option 3: set out
Option 4: set up
Correct Answer: set out
Solution : The third option is correct.
The given context implies that Pradeep initiated his journey with the destination in mind (Jamaica), but circumstances or events led him to end up in Nigeria. hence set out is the appropriate phrasal verb that means to begin
Question : Directions: Some equations are solved on the basis of a certain system. Find the correct answer for the unsolved equation on that basis. 4 × 5 = 42 5 × 6 = 56 6 × 7 = 72 7 × 8 = ?
Option 1: 84
Option 2: 90
Option 3: 92
Option 4: 102
Correct Answer: 90
Solution : Given: 4 × 5 = 42; 5 × 6 = 56; 6 × 7 = 72; 7 × 8 = ?
Add 2 to each number and then multiply the resultant numbers, to get the required missing number – 4 × 5 = 42→(4 +
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