Staff Selection Commission Combined Graduate Level Exam
Question : Directions: If P denotes ÷, Q denotes ×, R denotes + and S denotes –, then what is the value of 18 Q 12 P 4 R 5 S 6 = ?
Option 1: 64
Option 2: 53
Option 3: 81
Option 4: 24
Correct Answer: 53
Solution : Given: 18 Q 12 P 4 R 5 S 6 =?
After replacing the letters with mathematical signs, the equation becomes – = 18 × 12 ÷ 4 + 5 – 6 = 18 × 3 + 5 – 6 = 54 + 5 –
Question : Direction: In the following question, select the one which is different from the other three alternatives.
Option 1: 12 - 144
Option 2: 13 - 156
Option 3: 15 - 180
Option 4: 16 - 176
Correct Answer: 16 - 176
Solution : Let's check the options —
First option: 12 - 144; 144 ÷ 12 = 12. 144 is divisible by 12 and the quotient is 12.
Second option: 13 - 156; 156 ÷ 13 = 12. 156 is divisible by 13 and the quotient
Question : In $\triangle A B C, P$ and $Q$ are points on $AB$ and $BC$, respectively, such that $PQ\parallel AC$. Given that $AB=26, PQ=7$ and $AC=10$, then find the value of $AP$.
Option 1: 7.1
Option 2: 7.8
Option 3: 18.2
Option 4: 16.4
Correct Answer: 7.8
Solution : In $\triangle A B C, PQ\parallel AC$. Also, $A B=26, P Q=7$ and $A C=10$ Since $PQ\parallel AC$, So, $\triangle ABC \sim \triangle PBQ$ ⇒ $\frac{AB}{BP}=\frac{AC}{PQ}$ ⇒ $\frac{26}{BP}=\frac{10}{7}$ ⇒ $BP = 26\times 0.7$ ⇒ $BP=18.2$ Now, $AB=BP+PA$ ⇒ $26=18.2+AP$ ⇒ $AP=26-18.2$ ⇒ $AP=7.8$ Hence, the
Question : A certain sum of money lent at simple interest amounts to INR 1,200 in 2 years and INR 1,600 in 4 years. The rate percentage per annum is:
Option 1: 20%
Option 2: 30%
Option 3: 25%
Option 4: 16%
Correct Answer: 25%
Solution : Interest for 2 years = Amount after 4 years - Amount after 2 years = 1600 - 1200 = INR 400 ⇒ Interest for 1 year = INR 200 Principal = Amount after 2 years - Interest for 2 years = 1200 - 400 =
Question : If $a+\frac{1}{b}=1$, $b+\frac{1}{c}=1$ , then the value of $(abc)$ is:
Option 1: $0$
Option 2: $–1$
Option 3: $1$
Option 4: $ab$
Correct Answer: $–1$
Solution : Given: $a+\frac{1}{b}=1$, $b+\frac{1}{c}=1$. $a+\frac{1}{b}=1$ $ab+1=b$ (equation 1) Also, $b+\frac{1}{c}=1$ $1–\frac{1}{c}=b$ (equation 2) Substitute the value of b in equation 1, we get $ab+1=1–\frac{1}{c}$ $ab=–\frac{1}{c}$ $abc=–1$ Hence, the correct answer is $–1$.
Question : Who was the inventor of frozen foods?
Option 1: Alfred Nobel
Option 2: Clarence Birdseye
Option 3: Frank Whittle
Option 4: Ives W. McGaffey
Correct Answer: Clarence Birdseye
Solution : The correct option is Clarence Birdseye.
Clarence Birdseye, an American businessman and inventor (born in New York on December 9, 1886), is best known for creating a method for freezing food in manageable retail-sized quantities. In frozen technology, food is stored at -180
Question : If a perfect square, not divisible by 6, is divided by 6, the remainder will be:
Option 1: 1, 3 or 5
Option 2: 1, 2 or 5
Option 3: 1, 3 or 4
Option 4: 1, 2 or 4
Correct Answer: 1, 3 or 4
Solution : Given: Perfect square numbers not divisible by 6 are 9, 16, 25, 49, 64, 81..... $⇒ \frac{9}{6}$ ⇒ Remainder = 3 $⇒ \frac{16}{6}$ ⇒ Remainder = 4 $⇒ \frac{25}{6}$ ⇒ Remainder = 1 $⇒ \frac{49}{6}$ ⇒ Remainder = 1 $⇒ \frac{64}{6}$ ⇒
Question : Which of the following is correctly matched?
Option 1: Kalbaisakhi - Autumn winds
Option 2: Trade winds - Winter snowstorm
Option 3: Loo - Hot wind
Option 4: Loo - Winter stormy winds
Correct Answer: Loo - Hot wind
Solution : The correct option is Loo - Hot Wind.
Loo refers to a strong, hot and dry wind that blows across the plains of North India during the summer season. It is known for its scorching heat and is a significant meteorological phenomenon
Question : Mohan Das Karamchand Gandhi was called as ' Mahatma' by
Option 1: Bal Gangadhar Tilak
Option 2: Motilal Nehru
Option 3: Jawaharlal Neharu
Option 4: Rabindra Nath Tagore
Correct Answer: Rabindra Nath Tagore
Solution : Correct Answer is Rabindra Nath Tagore
"Mahatma" is a title attributed to Gandhi by some authors. According to Tagore, Gandhi used this title on 6 March 1915 in South Africa. "Mahatma" literally means 'great soul'. "Father of the Nation" is another name given
Question : Directions: In the question, a part of the sentence is in bold. Below are given alternatives to the bold part at (1), (2), and (3) that may improve the sentence. Choose the correct alternative. In case no improvement is needed, your answer is (4).
The teacher asked him where did he live.
(1) he has been living
(2) he lives
(3) he lived
(4) No Improvement
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (3)
Solution : The correct answer is the third option.
When forming indirect questions, we don't use the auxiliary verb "do" or "did" in the subordinate clause. Instead, we use the word order of a declarative sentence The correct one is the third option, as it follows
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