Staff Selection Commission Combined Higher Secondary Level Exam
Question : Directions: Four number-pairs have been given, out of which three are alike in some manner and one is different. Select the one that is different. (NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. Eg. 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: 216 : 40
Option 2: 72 : 22
Option 3: 112 : 32
Option 4: 312 : 82
Correct Answer: 216 : 40
Solution : Let's check the options – First option: 216 : 40→(216 + 16) ÷ 4 = 232 ÷ 4 = 58 ≠ 40 Second option: 72 : 22→(72 + 16) ÷ 4 = 88 ÷ 4 = 22 Third option: 112 : 32→(112 +
Question : Directions: In the following number pairs, the second number is obtained by applying certain mathematical operations to the first number. Select the option in which the numbers are related in the same way as the numbers of the following pairs. (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.) 12, 57 16, 77
Option 1: 11, 49
Option 2: 4, 14
Option 3: 8, 37
Option 4: 21, 106
Correct Answer: 8, 37
Solution : Given: 12, 57; 16, 77
Multiply the first number by 5 and then subtract 3 from the resultant value – 12, 57→(12 × 5) – 3 = 60 – 3 = 57 16, 77→(16 × 5) – 3 = 80 – 3 = 77
Question : Joseph Francois Dupleix was the Governor General of which of the following East India Companies in India?
Option 1: Dutch
Option 2: French
Option 3: English
Option 4: Portuguese
Correct Answer: French
Solution : The correct option is French.
Joseph Francois Dupleix was the Governor General of the French East India Company in India. He served in this capacity from 1742 to 1754. Dupleix played a significant role in expanding French influence in India during the 18th century.
Question : If $\sqrt{\frac{a}{b}}=\frac{8}{3}+\sqrt{\frac{b}{a}}$ and $(a+b)=30$, then what is the value of $ab$?
Option 1: 64
Option 2: 28
Option 3: 81
Option 4: 36
Correct Answer: 81
Solution : We have: $\sqrt{\frac{a}{b}} - \sqrt{\frac{b}{a}} = \frac{8}{3}$ Squaring both sides, $\frac{a}{b} + \frac{b}{a} - 2 = \frac{64}{9}$ Or, $\frac{a^2 + b^2}{ab} = \frac{64}{9} + 2$ Or, $\frac{a^2 + b^2}{ab} = \frac{82}{9}$...........................(i) From the given condition, $a + b = 30$ Or, $(a + b)^2 =
Question : Who is the author of the famous book 'A Better India: A Better World'?
Option 1: Azim Prem Ji
Option 2: Rajiv Sikri
Option 3: N.R. Narayana Murthy
Option 4: Prema Mahajan
Correct Answer: N.R. Narayana Murthy
Solution : The Correct Answer is N.R. Narayana Murthy.
The author of "A Better India, A Better World" is N.R. Narayan Murthy. In A Better World, Narayana Murthy combines his opinions on a range of topics, including corporate social responsibility, competitive globalization, competing in a
Question : Direction: The pie chart shows how the school fund is spent under different heads in a certain school. Using the pie chart answer the question.
What is the percentage of the total amount spent on the library?
Option 1: 24.3%
Option 2: 24%
Option 3: 20%
Option 4: 16.6%
Correct Answer: 16.6%
Solution : As per the chart, The sum of all the central angles in a pie chart = 360° The angle at the total amount spent on the library = 60° The required percentage = $\frac{60^\circ}{360^\circ}$ × 100 = 16.6% Hence, the correct answer is 16.6%.
Question : Directions: In the following question, find the odd number from the given alternatives.
Option 1: 125
Option 2: 512
Option 3: 1331
Option 4: 1728
Correct Answer: 1728
Solution : Let's check the options – First option: 125→1 + 2 + 5 = 8 Second option: 512→5 + 1 + 2 = 8 Third option: 1331→1 + 3 + 3 + 1 = 8 Fourth option: 1728→1 + 7 + 2 + 8
Question : Simhastha fair is held in Ujjain on the bank of which river?
Option 1: Kshipra River
Option 2: Son River
Option 3: Ganga River
Option 4: Gandak River
Correct Answer: Kshipra River
Solution : The correct answer is Kshipra River.
The Simhastha Kumbh Mela, a significant religious fair in Ujjain, is held on the banks of the Kshipra River. Ujjain is one of the four cities in India where the Kumbh Mela, a major Hindu pilgrimage and festival,
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).
Wave after wave surrounded the tower.
(1) Engulfed
(2) Circled
(3) Encircled
(4) No Improvement
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (1)
Solution : The sentence can be improved using the first option.
Engulfed means to flow over or cover something completely. In this context, it conveys the idea that successive waves completely covered or surrounded the tower.
The meanings of the other options are as follows:
Circled: It
Question : Which part of the cinchona yields a drug?
Option 1: Pericarp
Option 2: Bark
Option 3: Endosperm
Option 4: Leaf
Correct Answer: Bark
Solution : The correct answer is Bark.
Cinchona tree is a flowering plant of the Rubiaceae family. Quinine drug is derived from the bark of this tree and is used for the treatment of malaria. It is also used for thinning of blood vessels, increasing appetite,
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