Staff Selection Commission Combined Higher Secondary Level Exam
Question : Directions: In the following question, some parts of the sentence have errors, and some are correct. Find out which part of the sentence has an error. The number of that part is the answer. If a sentence is error-free, your answer is "No Error".
My wife, having finish her work, (1) / rushed to meet me (2) / at the event. (3) / No Error (4)
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 1
Solution : The first option is the correct choice.
Explanation: The third form of a verb is used after "having". Here, the past participle form of the verb "finish" is "finished" as per the present perfect tense.
Therefore, the correct sentence is: My wife, having finished
Question : Directions: Four triads of numbers have been given out of which three are alike in some manner and one is different. Select a different one. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 – operations on 13 such as adding /subtracting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)
Option 1: 14 – 44 – 29
Option 2: 36 – 66 – 51
Option 3: 29 – 44 – 14
Option 4: 21 – 51 – 36
Correct Answer: 29 – 44 – 14
Solution : Let's check each option – First option: (14 – 44 – 29); (14 + 44) ÷ 2 = 58 ÷ 2 = 29 Second option: (36 – 66 – 51); (36 + 66) ÷ 2 = 102 ÷ 2 = 51
Question : The following sentence has been split into four segments. Identify the segment that contains a spelling error. According to a report / every day / thousands of animals / are slautered.
Option 1: thousands of animals
Option 2: are slautered
Option 3: every day
Option 4: According to a report
Correct Answer: are slautered
Solution : The correct choice is the second option.
Explanation: The incorrectly spelt word is "slautered". The correct spelling is "slaughtered". The misspelling in the given segment is a typographical error, and the correct spelling of the word is needed to maintain proper
Question : Who was the first Indian woman to win an Olympic medal?
Option 1: Neelamshetty Appanna
Option 2: Karnam Malleswari
Option 3: Saina Nehwal
Option 4: Sakshi Malik
Correct Answer: Karnam Malleswari
Solution : The correct option is Karnam Malleswari
The first Indian woman to win an Olympic medal was Karnam Malleswari. She won a bronze medal in weightlifting at the Sydney Olympics in 2000 in the 69 kg category.
Question : If $\sqrt x-\sqrt y=1$ , $\sqrt x+\sqrt y=17$, then $\sqrt {xy}=?$
Option 1: $\sqrt{72}$
Option 2: $72$
Option 3: $32$
Option 4: $24$
Correct Answer: $72$
Solution : $\sqrt{x}-\sqrt{y} = 1$------(1) ⇒ $\sqrt{x} =1 +\sqrt{y}$ Inserting the value of $\sqrt{x}$ in the other equation, we get, $\sqrt{x} +\sqrt{y} = 17$ ⇒ $1+\sqrt{y} +\sqrt{y} = 17$ ⇒ $2\sqrt{y} = 16$ ⇒ $\sqrt{y} = 8$ Putting the value of $\sqrt{y} = 8$ in equation (1),
Question : On dividing a number by 38, we get 90 as the quotient and 19 as the remainder. What is the number?
Option 1: 3401
Option 2: 3382
Option 3: 3458
Option 4: 3439
Correct Answer: 3439
Solution : Given: Divisor = 38, Quotient = 90 and Remainder = 19 We know, Dividend = (Divisor × Quotient) + Remainder = (38 × 90) + 19 = 3420 + 19 = 3439 Hence, the correct answer is 3439.
Question : If $\sqrt{\frac{\mathrm{a}}{\mathrm{b}}}=\frac{8}{3}-\sqrt{\frac{\mathrm{b}}{\mathrm{a}}}$ and $a-b=10$, then the value of $ab$ is:
Option 1: $32 \frac{1}{7}$
Option 2: $32 \frac{3}{7}$
Option 3: $32 \frac{4}{7}$
Option 4: $32 \frac{2}{7}$
Correct Answer: $32 \frac{1}{7}$
Solution : Given: $\sqrt{\frac{\mathrm{a}}{\mathrm{b}}}=\frac{8}{3}-\sqrt{\frac{\mathrm{b}}{\mathrm{a}}}$ ⇒ $\sqrt\frac{a}{b} + \sqrt\frac{b}{a} = \frac{8}{3}$ Squaring both sides, we have, ⇒ $\frac{a}{b}+\frac{b}{a}+2=\frac{64}{9}$ ⇒ $\frac{a^2 + b^2}{ab} = \frac{64-18}{9}$ ⇒ $a^2 + b^2 = \frac{46ab}{9}$ Now, $a-b=10$ Squaring both sides, ⇒ $a^2 + b^2 - 2ab = 100$ ⇒ $\frac{46ab}{9} - 2ab
Question : A shopkeeper allows a 20 percent discount on the marked price of an article and he suffers a loss of 5 percent. If the article is sold at marked price, then what will be the profit percentage?
Option 1: 8.33 percent
Option 2: 16.25 percent
Option 3: 18.75 percent
Option 4: 17.25 percent
Correct Answer: 18.75 percent
Solution : Here, MP denotes the marked price, CP denotes the cost price. Discount = 20% Loss = 5% $\frac{\text{MP}}{\text{CP}} = \frac{(100-\text{Loss})}{(100-\text{Discount})}$ ⇒ $\frac{\text{MP}}{\text{CP}} = \frac{(100-5)}{(100-20)}$ ⇒ $\frac{\text{MP}}{\text{CP}} = \frac{95}{80}= \frac{19}{16}$ If there is no discount, means discount = 0%, then profit % $\frac{\text{MP}}{\text{CP}} = \frac{(100+\text{Profit})}{(100-\text{Discount})}$
Question : Directions: Select the related letters from the given alternatives. RORRIM : MIRROR :: TNESERP : ?
Option 1: TNERESP
Option 2: PRESENT
Option 3: CRESENT
Option 4: STNERPE
Correct Answer: PRESENT
Solution : Given: RORRIM : MIRROR :: TNESERP : ?
On reversing the letters of RORRIM, we get – MIRROR Thus, RORRIM is coded as MIRROR. Similarly, follow the same pattern for TNESERP – On reversing the letters of TNESERP, we get – PRESENT
Thus, TNESERP is
Question : Directions: Words given on the left side of (::) are related to each other by some Logic/Rule/Relation. Select the missing word/word pair on the right side of (::) from the given alternatives based on the same Logic/Rule/Relation. Rain : Patter :: Goat : ?
Option 1: Bleat
Option 2: Neigh
Option 3: Hiss
Option 4: Bark
Correct Answer: Bleat
Solution : Given: Rain : Patter :: Goat : ?
Like, Patter is the sound made by rain. Similarly, bleat is the sound made by the goat.
Hence, the first option is correct.
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