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Question : Three solid iron cubes of edges 4 cm, 5 cm, and 6 cm are melted to make a new cube. 62 cm3 of the melted material is lost due to improper handling. The area (in cm2) of the whole surface of the newly formed cube is:
Option 1: 294
Option 2: 343
Option 3: 125
Option 4: 216
Correct Answer: 294
Solution : Length of edges of cubes = 4 cm, 5 cm, and 6 cm. Volume of the cube = a3 Volume of all three cubes = 43 + 53 + 63 = 64 + 125 + 216 = 405 cm3 Volume
Question : A shopkeeper weighs an item of 930 grams instead of 1 kg and sells it at its cost price. Find his profit percentage on selling 15 kg of the item.
Option 1: $8\frac{79}{93}$%
Option 2: $5\frac{21}{93}$%
Option 3: $7\frac{49}{93}$%
Option 4: $6\frac{19}{93}$%
Correct Answer: $7\frac{49}{93}$%
Solution : Faulty weight = 930 gm True weight = 1000 gm Gain % = $\frac{\text{Error}}{\text{True Value - Error}}×100$ Error = 1000 – 930 = 70 gm The profit percentage on buying 15 kg will be the same as buying 1 kg. Gain % = $\frac{70}{1000-70} \times
Question : Zubin Mehta is associated with _______.
Option 1: literature
Option 2: painting
Option 3: music
Option 4: journalism
Correct Answer: music
Solution : The correct option is music.
Zubin Mehta, an Indian conductor of Western classical music, was born on April 29, 1936. He serves as the Los Angeles Philharmonic's conductor emeritus and the Israel Philharmonic Orchestra's (IPO) emeritus music director. He received the Padma Bhushan (1966),
Question : The following sentence has been divided into parts. One of them may contain an error. Select the part that contains the error from the given options. If you don’t find any error, mark ‘No error’ as your answer.
The mountain lion is / one of the slyest and more / elusive animals in the woods.
Option 1: one of the slyest and more
Option 2: No error
Option 3: The mountain lion is
Option 4: elusive animals in the woods.
Correct Answer: one of the slyest and more
Solution : The error lies in the first option.
More is incorrect, as the correct form of comparison to be used in the sentence is the superlative form, which is most. that is used when comparing more than two things. Thus,
Question : Different computers are connected to a LAN by a cable and a
Option 1: modem
Option 2: interface card
Option 3: special wires
Option 4: telephone lines
Correct Answer: interface card
Solution : The correct option is interface cards.
Connecting several computers to a Local Area Network (LAN) through cables and interface cards is a usual procedure to enable communication and data exchange among these systems. Ethernet cables are commonly used to physically link PCs to LANs.
Question : Who is the author of the book "The Three Mistakes In My Life"?
Option 1: Ruskin Bond
Option 2: Chetan Bhagat
Option 3: Amrita Pritam
Option 4: Jhumpa Lahiri
Correct Answer: Chetan Bhagat
Solution : The correct answer is Chetan Bhagat
Chetan Bhagat's third book is titled The Three Mistakes in My Life. The book was published in May 2008. Omi, Ishaan, and Govind, three young people trying to make a living while remaining in a Gujarati
Question : A can finish a work in 7 days. B can finish the same work in 9 days. The number of days required to finish the same work by both of them together is:
Option 1: $1\frac{15}{16}$
Option 2: $2\frac{15}{16}$
Option 3: $3\frac{15}{16}$
Option 4: $4\frac{15}{16}$
Correct Answer: $3\frac{15}{16}$
Solution : Given: A can finish a work in 7 days. B can finish the same work in 9 days. LCM of 7 and 9 = 63 Let total work = 63 units Now A's efficiency $=\frac{63}{7}=9$ units B's efficiency $=\frac{63}{9}=7$ units Total efficiency = (9 +
Question : When the East India Company was formed, the Mughal emperor in India was:
Option 1: Jahangir
Option 2: Humayun
Option 3: Aurangzeb
Option 4: Akbar
Correct Answer: Akbar
Solution : The correct answer is Akbar.
Akbar, the Mughal emperor was in charge when the East India Company was founded in 1600. Elizabeth I of England granted the British monarch a royal charter on December 31, 1600, allowing it to conduct business in the East
Question : The sum of the length and breadth of a cuboid is 40 cm. If the height of the cuboid is $\frac{1}{5}$ of the sum of its length and breadth, then what is the lateral surface area of the cuboid?
Option 1: $580 {~cm}^2$
Option 2: $320 {~cm}^2$
Option 3: $640 {~cm}^2$
Option 4: $720 {~cm}^2$
Correct Answer: $640 {~cm}^2$
Solution : The sum of the length ($l$) and breadth ($b$) is 40 cm ⇒ $l+ b = 40$ cm The height of the cuboid = $\frac{1}{5}(l+b)$ = $\frac{1}{5}(40)$ = 8 cm lateral surface area (L.S.A) of the cuboid = 2$(l+b)$ × height, where $l$ =
Question : Parts of a sentence are given below in jumbled order. Arrange the parts in the correct order to form a meaningful sentence. A. and he shone like a beacon B. but also for the whole world C. our country gave birth to a mighty soul D. not only for India
Option 1: DBCA
Option 2: ACDB
Option 3: CADB
Option 4: ADBC
Correct Answer: CADB
Solution : The correct order is CADB.
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