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Question : If the price of a product is first increased by 15% and then decreased by 20%, then what is the percentage change in the price?
Option 1: 5% decrease
Option 2: 8% increase
Option 3: 5% increase
Option 4: 8% decrease
Correct Answer: 8% decrease
Solution : Let the initial price be Rs. 100. After an increase of 15%, the price becomes: $100 +\frac{15}{100}\times100 = 100 + 15 =$ Rs. 115 Now, After a decrease of 20%, the price becomes: $115 -\frac{20}{100}\times115 = 115 - 23 =$ Rs. 92 ⇒ Total
Question : What is the total area of India?
Option 1: 8,511,965 sq. km
Option 2: 3,897,950 sq. km
Option 3: 5,926,780 sq. km
Option 4: 3,287,590 sq. km
Correct Answer: 3,287,590 sq. km
Solution : The correct answer is 3,287,590 sq. km.
India is the seventh-largest country in the world in terms of geographical area. The total geographical area of India is 3,287,590 sq. km. It lies in the Northern Hemisphere, and the Tropic of Cancer passes through
Question : In India, National Statistics Day is celebrated on ______.
Option 1: 22nd June
Option 2: 15th June
Option 3: 28th June
Option 4: 29th June
Correct Answer: 29th June
Solution : The correct option is 29th June.
In India, National Statistics Day is celebrated on June 29th every year. This day is observed to commemorate the birth anniversary of Prof. P.C. Mahalanobis, an eminent statistician, and to recognise his invaluable contribution to the field of
Question : Fungi can grow on which of the following items?
I. Bread II. Pickles III. Leather IV. Clothes Select the correct option.
Option 1: I and III
Option 2: I and II
Option 3: I, II, III and IV
Option 4: I, II and III
Correct Answer: I, II, III and IV
Solution : The correct answer is I, II, III and IV.
Fungi are versatile organisms that can grow on a variety of substrates, and items such as bread, pickles, leather, and clothes provide suitable conditions for fungal growth under certain circumstances. Fungi,
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".
The people gathered at the funeral to pay respect.
(1) No Error
(2) The people gathered
(3) at the funeral
(4) to pay respect.
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (2)
Solution : The second option is the correct answer.
People is a plural noun that means multiple people in general. There is no need to use the definite article "the" before the noun.
Therefore, the correct sentence is: People gathered at the funeral to pay respect.
Question : If $\tan^{2}\alpha=1+2\tan^{2}\beta$ ($\alpha,\beta$ are positive acute angles), then $\sqrt2\: \cos\alpha -\cos\beta$ is equal to:
Option 1: $0$
Option 2: $\sqrt2$
Option 3: $1$
Option 4: $–1$
Correct Answer: $0$
Solution : $\tan^{2}\alpha=1+2\tan^{2}\beta$ $⇒\sec^{2}\alpha-1=1+2(\sec^{2}\beta-1)$ $⇒\sec^{2}\alpha-1=2\sec^{2}\beta-1$ $⇒\frac{1}{\cos^{2}\alpha}=\frac{2}{\cos^{2}\beta}$ Taking square root on both sides, we get, $⇒\sqrt2\cos\alpha=\cos\beta$ $⇒\sqrt2\cos\alpha-\cos\beta=0$ Hence, the correct answer is $0$.
Question : Limestone, chalk and marble are different forms of ______.
Option 1: Calcium Phosphate
Option 2: Calcium Hydroxide
Option 3: Calcium Oxide
Option 4: Calcium Carbonate
Correct Answer: Calcium Carbonate
Solution : The correct answer is Calcium Carbonate.
Limestone, chalk and marble are different forms of Calcium Carbonate (CaCO3), a chemical compound that occurs in nature. Limestone is a sedimentary rock composed mainly of calcium carbonate. Chalk is a soft, white, porous sedimentary
Question : Who among the following was one of the founders of Rahnumai Mazdayasnan Sabha or Religious Reform Association?
Option 1: Keshub Chandra Sen
Option 2: Dadabhai Naoroji
Option 3: Muhammad Iqbal
Option 4: Atmaram Pandurang
Correct Answer: Dadabhai Naoroji
Solution : The correct answer is Dadabhai Naoroji.
Naoroji Furdunji, Dadabhai Naoroji, S. S. Bengalee, and others founded the Rehnumai Mazdayasan Sabha, or Religious Reform Association, in 1851. The organization set out to regenerate the social condition of the Parsis and restore the Zoroastrian
Question : Fill in the blank with the most appropriate choice. During treatment, patients lay____ on the treatment couch for around 3 hrs.
Option 1: arsine
Option 2: alpine
Option 3: repine
Option 4: supine
Correct Answer: supine
Solution : The fourth option is correct.
Supine means lying on the back with the face upward. In a medical context, it often refers to a position where the back is resting against a surface, which is likely the case on a treatment couch.
The meanings of
Question : Select the most appropriate meaning of the underlined idiom in the given sentence. This man's taking a bribe is only the tip of an iceberg.
Option 1: problem a ship faces on the ocean
Option 2: a legally punishable crime
Option 3: something that has been in existence for a long time
Option 4: something which is a small part of something much bigger
Correct Answer: something which is a small part of something much bigger
Solution : The most appropriate meaning of the underlined idiom is the fourth option.
Explanation: The idiom "the tip of an iceberg" is a metaphorical expression referring to a small, visible part of a much larger, concealed
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