Staff Selection Commission Combined Graduate Level Exam
Question : Directions: Select the set in which the numbers are related similarly to the numbers of the following set. (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.) (23, 14, 9) (37, 19, 18)
Option 1: (125, 25, 5)
Option 2: (125, 100, 5)
Option 3: (125, 25, 100)
Option 4: (125, 5, 25)
Correct Answer: (125, 25, 100)
Solution : Given: (23, 14, 9); (37, 19, 18)
Here, (23, 14, 9)→14 + 9 = 23 (37, 19, 18)→19 + 18 = 37
Let's check the options – First option: (125, 25, 5)→25 + 5 = 30 ≠ 125 Second option: (125, 100, 5)→100
Question : ABC is an equilateral triangle with a side of 12 cm. What is the length of the radius of the circle inscribed in it?
Option 1: $2 \sqrt{3}$ cm
Option 2: $8 \sqrt{3}$ cm
Option 3: $4 \sqrt{3} $ cm
Option 4: $6 \sqrt{3}$ cm
Correct Answer: $2 \sqrt{3}$ cm
Solution : Given: ABC is an equilateral triangle with a side of 12 cm. The length of the inradius of the equilateral triangle = $\frac{\text{side}}{2\sqrt3}=\frac{12}{2\sqrt3}=2\sqrt3$ cm Hence, the correct answer is $2\sqrt3$ cm.
Question : Directions: The second number in the given number pairs is obtained by performing certain mathematical operation(s) on the first number. The same operation(s) is/are followed in all the number pairs except one. Find that odd number pair.
Option 1: 20 : 11
Option 2: 6 : 4
Option 3: 15 : 9
Option 4: 12 : 7
Correct Answer: 15 : 9
Solution : Let's check the options – First option: 20 : 11; (11 × 2) – 2 = 22 – 2 = 20 Second option: 6 : 4; (4 × 2) – 2 = 8 – 2 = 6 Third option: 15 : 9; (9
Question : Gandhi's inspiration for Civil Disobedience came from the writings of
Option 1: Henry David Thoreau
Option 2: David Ricardo
Option 3: Henry Kissinger
Option 4: Bertrand Russell
Correct Answer: Henry David Thoreau
Solution : Correct Answer is Henry David Thoreau
Civil disobedience began after the British ignored Gandhi’s 11 demands. In response, Gandhi allied himself with young activists to lead a movement known as the ‘Civil Disobedience’ Movement. During Gandhi’s anti-British protests, he called on all Indians
Question : Select the option that can be used as a one-word substitute for the given group of words.
The property left to someone by a will
Option 1: Ledger
Option 2: Legacy
Option 3: Legend
Option 4: Lexical
Correct Answer: Legacy
Solution : The second option is the correct answer.
A legacy is the property or money that is left to someone in a will. It is a bequest or inheritance that is passed down from one generation to another.
The meanings of the other options are as
Question :
Directions: In the following question, select the related word from the given alternatives. Fingers : Hand :: ? : Feet
Option 1: Nails
Option 2: Toes
Option 3: Ankle
Option 4: Heels
Correct Answer: Toes
Solution : Given: Fingers : Hand :: ? : Feet
Like, fingers are the extensions of our hands. Similarly, toes are the extensions of our feet.
Hence, the second option is correct.
Question : If $\operatorname{cosec} \theta=\frac{b}{a}$, then $\frac{\sqrt{3} \cot \theta+1}{\tan \theta+\sqrt{3}}$ is equal to:
Option 1: $\frac{\sqrt{b^2-a^2}}{b}$
Option 2: $\frac{\sqrt{b^2-a^2}}{a}$
Option 3: $\frac{\sqrt{a^2+b^2}}{a}$
Option 4: $\frac{\sqrt{a^2+b^2}}{b}$
Correct Answer: $\frac{\sqrt{b^2-a^2}}{a}$
Solution : Given, $\operatorname{cosec} \theta=\frac{b}{a}$ ⇒ $\sin\theta=\frac ab$ We have to find the value of $\frac{\sqrt{3} \cot \theta+1}{\tan \theta+\sqrt{3}}$ We know, $\cot\theta=\frac{\cos\theta}{\sin\theta}$ and $\tan\theta=\frac{\sin\theta}{\cos\theta}$ $\frac{\sqrt{3} \cot \theta+1}{\tan \theta+\sqrt{3}}=\frac{\sqrt3\times\frac{\cos\theta}{\sin\theta}+1}{\frac{\sin\theta}{\cos\theta}+\sqrt3}$ = $\frac{\cos\theta(\sqrt3\cos\theta+\sin\theta)}{\sin\theta(\sin\theta+\sqrt3\cos\theta)}$ = $\frac{\cos\theta}{\sin\theta}$ = $\frac{\sqrt{1-\sin^2\theta}}{\sin\theta}$ [As $\sin^2\theta+\cos^2\theta=1$] = $\frac{\sqrt{1-(\frac ab)^2}}{\frac ab}$ = $\frac{\sqrt{b^2-a^2}}{a}$ Hence, the correct answer is
Question : Directions: Each vowel in the word CAPSULE is changed to the previous letter in the English alphabetical series and each consonant is changed to the following letter in the English alphabetical series. In the newly formed word, how many alphabets are there in the English alphabetical series between the alphabet which is 3rd from the left and 3rd from the right?
Option 1: Three
Option 2: Four
Option 3: One
Option 4: Two
Correct Answer: Two
Solution : Given: Each vowel in the word CAPSULE is changed to the previous letter in the English alphabetical series and each consonant is changed to the following letter in the English alphabetical series.
In the newly formed word, Q is 3rd from left and T
Question : Directions: In a certain code language, TELEVISION is written as UDMDWKQKMP and PUNISHMENT is written as QTOHTJKGLV. How will HELICOPTER be written in that language?
Option 1: IDMHDQCVNT
Option 2: IDMHQDVNCT
Option 3: IDMHDQNVCT
Option 4: IDMHDQVCNT
Correct Answer: IDMHDQNVCT
Solution : Given: TELEVISION is coded as UDMDWKQKMP PUNISHMENT is coded as QTOHTJKGLV
Add and subtract 1 alternatively from the place values of the first 5 letters, and add and subtract 2 alternatively from the place values of the remaining letters. Like, TELEVISION ⇒ T + 1
Question : Directions: Select the figure from among the given options that can replace the question mark (?) in the following series.
Option 1:
Option 2:
Option 3:
Option 4:
Correct Answer:
Solution : According to the given figures – 1. A figure at the centre rotates 90° in the anti-clockwise direction. 2. The letters are placed diagonally – In Box 1, the letters M and N are placed diagonally in the southwest and northeast directions. In Box 2, the
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