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Question : Directions: In the following question, find the odd one out from the given alternatives.
Option 1: 13 : 25
Option 2: 31 : 63
Option 3: 21 : 41
Option 4: 19 : 37
Correct Answer: 31 : 63
Solution : Let's check the options – First option: 13 : 25; (13 × 2) – 1 = 26 – 1 = 25 Second option: 31 : 63; (31 × 2) – 1 = 62 – 1 = 61 ≠ 63 Third option: 21 :
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).
A hand pump is very easy to work and it can be fitted in every house.
(1) can be fits
(2) could be fitting
(3) can be fitting
(4) No Improvement
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (4)
Solution : The correct answer is the fourth option.
The original sentence is grammatically correct and clear. There is no need for improvement.
Therefore, the correct answer would be: No Improvement.
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."
Everyone attended the (1) / seminar except (2) / Raman and I. (3) / No Error (4)
Correct Answer: (3)
Solution : The error lies in the third part because ''I'' should be replaced with ''me'' to convey the intended meaning that except for Raman and the speaker, all individuals were present at the seminar.
The use of ''except'' in this context introduces an object,
Question : Which metal ion released from the tannery industry causes acute water pollution?
Option 1: Mg
Option 2: As
Option 3: Cr
Option 4: Zn
Correct Answer: Cr
Solution : The correct answer is Cr.
The metal ion that is often released from the tannery industry and can cause acute water pollution is chromium. Specifically, it is usually hexavalent chromium (Cr(VI)) that poses a significant environmental concern. Tanneries use chromium in the tanning process,
Question : Select the option that can be used as a one-word substitute for the given group of words. Too strong to be defeated or changed.
Option 1: Invincible
Option 2: Headstrong
Option 3: Vigorous
Option 4: Sovereign
Correct Answer: Invincible
Solution : The correct choice is the first option.
Invincible means incapable of being defeated and it signifies a high degree of strength or power that cannot be overcome.
The meanings of the other options are as follows:
Question : Which one out of the following helps in burning?
Option 1: Oxygen
Option 2: Carbon monoxide
Option 3: Nitrogen
Option 4: Carbon dioxide
Correct Answer: Oxygen
Solution : The correct answer is Oxygen.
Oxygen gas helps in burning. In a combustion reaction, a substance reacts with oxygen gas and releases energy in the form of heat and light. It is an exothermic reaction. If the supply of oxygen stops, the combustion reaction
Question : A shopkeeper gives an additional concession of 5% on an item which is already discounted by 15% on the marked price. If the buyer pays INR 3,068.50 for the item, then find the marked price.
Option 1: INR 3,500
Option 2: INR 3,700
Option 3: INR 3,800
Option 4: INR 3,780
Correct Answer: INR 3,800
Solution : We know the formula for successive discounts, Selling price = $MP(1 - \frac{D_1}{100})(1 - \frac{D_2}{100})$ Where $MP$ is the marked price and $D_1, D_2$ are the discounts. $\mathrm{D_1=5}$% $\mathrm{D_2=15}$% On substituting the values, $\mathrm{MP(1 - \frac{5}{100})(1 - \frac{15}{100})}=3068.50$ $⇒\mathrm{MP×( \frac{19}{20})×(\frac{17}{20})}=3068.50$ $⇒\mathrm{MP×( \frac{323}{400})}=3068.50$ $⇒\mathrm{MP}=\frac{400}{323}× 3068.50$
Question : Select the most appropriate word for the given group of words.
A thing that is kept as a reminder of a person, place, or event.
Option 1: Sinecure
Option 2: Panacea
Option 3: Souvenir
Option 4: Regalia
Correct Answer: Souvenir
Solution : The correct choice is the third option.
In this context, the group of words refers to a tangible item kept as a reminder, and "souvenir" is a noun that precisely fits this description. A souvenir is typically an item collected or purchased during a memorable
Question : Directions: Select the option that is related to the third term in the same way as the second term is related to the first term and the sixth term is related to the fifth term. 6 : 646 :: 5 : ? :: 4 : 190
Option 1: 373
Option 2: 377
Option 3: 337
Option 4: 376
Correct Answer: 373
Solution : Given: 6 : 646 :: 5 : ? :: 4 : 190
In the given pairs, multiply the cube of the first number by 3, and then subtract 2 from the resultant. Like, 6 : 646→{(63) × 3} – 2 = {216 ×
Question : The process in which metals are extracted from their ores by heating beyond the melting point is called ________.
Option 1: spinning
Option 2: smelting
Option 3: heaving
Option 4: extracting
Correct Answer: smelting
Solution : The correct answer is smelting.
Smelting is the process of extracting metals from their ores by heating them over their melting point. The molten mixture is then purified and processed further to produce steel. This covers the extraction of iron from iron ore, copper
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