Staff Selection Commission Combined Graduate Level Exam
Question : Directions: If A × B means that A is the father of B, A – B means that A is the mother of B, and A + B means that A is the brother of B then which of the following expressions shows that Q is the son of P?
Option 1: P × Q + R
Option 2: Q × P + R
Option 3: P + R × Q
Option 4: P × Q – R
Correct Answer: P × Q + R
Solution : Let's check the options – First option: P × Q + R According to the given expression, the family tree will be as follows – Here, the quadrilateral represents the male, and the circular figure represents the female in the figure.
Question : A and B do $\frac{3}{5}$th part of a work and the rest of the work is completed by C. If A, B, and C take the same work for Rs. 5000, then what is the share of C (in Rs.)?
Option 1: 3000
Option 2: 2500
Option 3: 2000
Option 4: 1500
Correct Answer: 2000
Solution : Total amount distributed = Rs. 5000 Let the total work be 1 unit. ⇒ Work done by A and B = $\frac{3}{5}$ unit $\therefore$ Work done by C = $1-\frac{3}{5} = \frac{2}{5}$ unit The ratio of work done between (A + B) and C is
Question : The following table gives the percentage of marks obtained by six students in six different subjects in an examination.
English (100)
The number of students who obtained 60% mark and above in all subjects is:
Option 1: 3
Option 2: 1
Option 3: 2
Option 4: 4
Correct Answer: 2
Solution : A obtained 58% marks in Science. B obtained 36% marks in Social Science. C obtained 58% marks in Science. E obtained 59% marks in Mathematics. D and F obtained more than 60% marks in all subjects. Hence, the correct answer is 2.
Question : Pablo Picasso, the famous painter was
Option 1: French
Option 2: Italian
Option 3: Flemish
Option 4: Spanish
Correct Answer: Spanish
Solution : The correct option is Spanish
Picasso revolutionized the art world and is widely regarded as the greatest artist of the 20th century. Along with Georges Braque, he is renowned for helping to establish Cubism and for his melancholy Blue Period artwork. He lived in France
Question : Direction: In the following question, select the one which is different from other three alternatives.
Option 1: 1331
Option 2: 191
Option 3: 200
Option 4: 808
Correct Answer: 1331
Solution : Let's check the options —
First option: 1331; 113 = 1331. So, 1331 is a perfect cube. This option is different from the other options.
Second option: 191; 191 is not a perfect cube.
Third option: 200; 200 is not a perfect cube.
Fourth
Question : Which of the following rivers flow through a rift valley?
Option 1: Son
Option 2: Kosi
Option 3: Luni
Option 4: Tapi
Correct Answer: Tapi
Solution : The correct answer is Tapi.
The Tapti River flows through a rift valley, also spelt Tapi River. It passes across a rift valley in central India that separates the Ajanta Hills from the Satpura Range. This rift valley is home to a wide range of
Question : Select the most appropriate option to improve the underlined segment in the given sentence. If there is no need to improve it, select ‘No improvement’.
She was smiling but looking pleased about something.
Option 1: and looked
Option 2: but look
Option 3: so looking
Option 4: No improvement
Correct Answer: and looked
Solution : The correct choice is the first option.
The conjunction and is more suitable in this context to indicate a simultaneous action (smiling and looking pleased).
Therefore, the correct sentence is: She was smiling and looked pleased about something.
Question : What is included in the tertiary sector?
Option 1: Banking
Option 2: Manufacturing
Option 3: Forestry
Option 4: Mining
Correct Answer: Banking
Solution : The correct answer is Banking.
The development of the primary and secondary sectors is supported by tertiary activities. A large number of variables, including business, administration, transportation, finance, real estate, business and personal services, education, health care and social work, are also included in
Question : Directions: Which two signs and two numbers should be interchanged in the following equation to make it correct? 686 − 14 × 49 + 400 ÷ 5 = 596
Option 1: 5 and 49, ÷ and −
Option 2: 686 and 5, + and –
Option 3: 14 and 49, × and –
Option 4: 14 and 5, + and ×
Correct Answer: 5 and 49, ÷ and −
Solution : Given: 686 − 14 × 49 + 400 ÷ 5 = 596
Replace the given symbols and numbers in the options one by one with the original symbols and numbers in the given equation. First option: 5 and 49, ÷
Question : The simple interest on a certain sum of money for 2 years at 5% is Rs. 1600. The compound interest at the same rate after 3 years (interest compounded annually) is:
Option 1: Rs. 2520
Option 2: Rs. 2522
Option 3: Rs. 2555
Option 4: Rs. 2535
Correct Answer: Rs. 2522
Solution : Rate, $R$ = 5% Time, $n$ = 2 years Simple interest, SI = Rs. 1600 Let the principal be Rs. $P$. Simple interest after 2 years = $\frac{PnR}{100}$ ⇒ 1600 = $\frac{P × 2 × 5}{100}$ ⇒ $P$ = Rs. 16000 When compounded annually,
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