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Question : Susan can type 12 pages in 6 minutes. Mary can type 6 pages in 12 minutes, working together, how many pages can they type in 32 minutes?
Option 1: 80
Option 2: 65
Option 3: 70
Option 4: 75
Correct Answer: 75
Solution : Susan can type 12 pages in 6 minutes. Mary can type 6 pages in 12 minutes. Total work = Time $\times$ Efficiency Susan can type 12 pages in 6 minutes. Number of pages Susan can type in 1 minute = $\frac{12}{6}$ = 2 Mary can
Question : The average of 100 observations was calculated as 35. It was found later, that one of the observations was misread as 83 instead of 53. The correct average is:
Option 1: 32.7
Option 2: 34.7
Option 3: 35.7
Option 4: 36.7
Correct Answer: 34.7
Solution : Given: The average of the 100 observations = 35 So, the sum of 100 observations = 100 × 35 = 3500 The correct value is 53 and the incorrect value is 83. Difference = 83 – 53 = 30 So, the correct average = $\frac{3500–30}{100}$
Question : Directions: In the following question, the given sentence has four parts marked P, Q, R, and S. Choose the part of the sentence with the error and select it as your answer. If there is no error, select "No Error (S)" as your answer.
(P) According to one survey (Q) only those forests which were (R) not under village management succumbed from fires recently. (S) No Error
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 3
Solution : The correct choice is the third option.
There is an error in the use of the preposition after the verb "succumbed", as it should be followed by the preposition "to" instead of "from". Moreover, the present perfect tense "have succumbed" should be used due to
Question : A invests INR 6,00,000 more than B in a business. B invests his capital for $7 \frac{1}{2}$ months, while A invests his capital for $2 \frac{1}{2}$ more months than B. Out of the total profit of INR 12,40,000, if the share of B is INR 2,48,000 less than the share of A, then the capital of B is:
Option 1: INR 45,00,000
Option 2: INR 42,00,000
Option 3: INR 40,00,000
Option 4: INR 48,00,000
Correct Answer: INR 48,00,000
Solution : Given: Total profit = INR 12,40,000 Let B's share be $x$. A's share = $x+248000$ A's share + B's share = 1240000 ⇒ $x+x+248000=1240000$ ⇒ $x=496000$ A's share = 496000 + 248000 = 744000 The profit share of A to B = 744000 :
Question : Which Chola ruler built the Brihadeshwara Temple at Tanjore?
Option 1: Rajaraja I
Option 2: Rajendra I
Option 3: Vijayalaya
Option 4: Rajendra III
Correct Answer: Rajaraja I
Solution : The correct answer is Rajaraja I.
Rajaraja I, the king of the Chola Dynasty, constructed the Brihadeshwara Temple in the southeast of the capital city of Thanjavur in 1010, in the Kaveri (Cauvery) basin (r. 985–1014). In addition, the king's name, Rajarajeshwara Temple,
Question : The acid which is secreted by the glands in the stomach wall is
Option 1: Sulphuric acid
Option 2: Hydrochloric acid
Option 3: nitric acid
Option 4: Phosphoric acid
Correct Answer: Hydrochloric acid
Solution : The correct answer is hydrochloric acid.
Hydrochloric acid is released in stomach and it has a pH between 1.5 to 3.5. It is the main component of gastric juice and is released by parietal cells of gastric mucosa in the fundus and corpus. This
Question : PA and PB are two tangents from a point P outside the circle with centre O. If A and B are points on the circle such that $\angle {APB}=100^{\circ}$, then $\angle {OAB}$ is equal to:
Option 1: $45^{\circ}$
Option 2: $35^{\circ}$
Option 3: $70^{\circ}$
Option 4: $50^{\circ}$
Correct Answer: $50^{\circ}$
Solution : According to the question, $\angle$APB = 100º Also, $\angle$ OAP = $\angle$ OBP = 90º (the angle between the tangent and radius at the point of contact is 90º) Since the sum of all angles of a quadrilateral is 360º. $\angle$ OAP + $\angle$ OBP
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".
He adviced me (1) / to join (2) / the computer course later in the year. (3) / No Error (4)
Correct Answer: 1
Solution : The correct choice is the first option.
Here, "advice" (with a "c" letter) is a noun, an opinion or recommendation offered as a guide to action, whereas "advise" (with a "s" letter) is a verb, which means to recommend or to give information to
Question : Directions: Words given on the left side of (::) are related to each other by some Logic/Rule/Relation. Select the missing word/word pair on the right side of (::) from the given alternatives based on the same Logic/Rule/Relation. Ottawa : Canada :: ?
Option 1: Nairobi : Kenya
Option 2: Russia : Moscow
Option 3: Greece : Athens
Option 4: Spain : Madrid
Correct Answer: Nairobi : Kenya
Solution : Given: Ottawa : Canada :: ? (Ottawa is the capital city of Canada.)
Let's check the given options – First option: Nairobi : Kenya; Nairobi is the capital city of Kenya. Second option: Russia : Moscow; Moscow is the capital city of Russia,
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