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Question : Combustion of a candle is an
Option 1: photochemical reaction
Option 2: physical change
Option 3: endothermic reaction
Option 4: exothermic reaction
Correct Answer: exothermic reaction
Solution : The correct option is an exothermic reaction.
Candle combustion is an exothermic process. This indicates that energy is released in the form of heat and light. When the oxygen in the air interacts with the wax in a candle, carbon dioxide, water vapour
Question : P takes twice as long as Q, or three times as long as R, to complete a task. If they work together, they can complete the task in two days. How long will it take Q to complete the task on his own?
Option 1: 8 days
Option 2: 6 days
Option 3: 5 days
Option 4: 7 days
Correct Answer: 6 days
Solution : Given: Q is twice as efficient as P and R is thrice as efficient as P. If P does 1 unit of work per day, then Q will do 2 units per day, and R will do 3 units per day. Now, work done
Question : Which of the following is the tallest dam in India?
Option 1: Indira Sagar dam
Option 2: Tehri dam
Option 3: Mettur dam
Option 4: Koyna dam
Correct Answer: Tehri dam
Solution : The answer is Tehri Dam.
The Tehri Dam, towering at a height of about 260.5 metres, spans over the Bhagirathi River, making it India's tallest dam and the 12th tallest globally. Situated in Uttarakhand, it is a significant engineering feat. The Bhakra Nangal
Question : Directions: Which of the following numbers will replace the question mark (?) in the given series? $\frac{1}{121}, \frac{1}{11}, 1, ?, 121$
Option 1: 11
Option 2: 12
Option 3: 21
Option 4: 1
Correct Answer: 11
Solution : Given: $\frac{1}{121}, \frac{1}{11}, 1, ?, 121$
Multiply the previous term by 11 to obtain the next term. $\frac{1}{121}×11=\frac{1}{11}; \frac{1}{11}×11=1; 1×11=11; 11×11=121$
So, 11 is the missing term in the series. Hence, the first option is correct.
Question : Directions: A word is represented by only one set of numbers as given in any one of the alternatives. The sets of numbers given in the alternatives are represented by two classes of alphabets as in the two matrices, given below. The columns and rows of Matrix (I) are numbered from 0 to 4 and that of Matrix (II) are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column, e.g. Q can be represented by 12, 43, etc, and M can be represented by 67, 99, etc. Similarly, you have to identify the set for the word PRICE.
Option 1: 23, 03, 55, 66, 99
Option 2: 42, 24, 88, 56, 66
Option 3: 11, 10, 96, 97, 85
Option 4: 04, 41, 69, 75, 57
Correct Answer: 04, 41, 69, 75, 57
Solution : Given: PRICE
Number representations of each letter – P→04, 11, 23, 30, 42 R→03, 10, 24, 32, 41 I→55, 69, 77, 88, 96 C→58, 66, 75, 89, 97 E→57, 65, 79, 86, 98
First option: 23, 03, 55, 66, 99; E
Question : Directions: In the following question, select the related word from the given alternatives. Doctor : Hospital :: Teacher : ?
Option 1: Field
Option 2: Laboratory
Option 3: School
Option 4: Industry
Correct Answer: School
Solution : Given: Doctor : Hospital :: Teacher : ?
Like, the doctor works in a hospital. Similarly, a teacher works in School.
Hence, the third option is correct.
Question : Directions: Select the option that represents the correct order of the given words as they would appear in an English dictionary. 1. Manager 2. Mandatory 3. Manuscript 4. Mammoth 5. Marvel
Option 1: 4, 1, 2, 5, 3
Option 2: 5, 1, 2, 3, 4
Option 3: 4, 1, 2, 3, 5
Option 4: 4, 2, 1, 3, 5
Correct Answer: 4, 1, 2, 3, 5
Solution : Given: 1. Manager 2. Mandatory 3. Manuscript 4. Mammoth 5. Marvel
Step 1: Compare the first and second letters of each word. Since all the words start with the same letter M and are followed by a, then move on
Question : Which of the following cities became the capital of Bengal in 1704?
Option 1: Howrah
Option 2: Murshidabad
Option 3: Kharagpur
Option 4: Kolkata
Correct Answer: Murshidabad
Solution : The correct answer is Murshidabad.
The Bengali Nawabs' capital was Murshidabad. The Nawabs of Murshidabad succeeded the Nawabs of Bengal. The first Nawab of Bengal was Murshid Quli Khan, and the last was Mansur Ali Khan. The Afshar, Nasiri, and Najafi dynasties were the three
Question : As of September 2019, the distinction of being the youngest Indian Grandmaster was held by:
Option 1: Parimarjan Negi
Option 2: D Gukesh
Option 3: R Praggnanandhaa
Option 4: Raunak Sadhwani
Correct Answer: D Gukesh
Solution : The correct answer is D Gukesh.
D Gukesh is from Chennai, Tamil Nadu and became India's youngest Grandmaster at the age of 12 years & 7 months. Gukesh Dommaraju has also won an individual gold in the chess Olympiad. He also became the youngest
Question : The difference between a discount of 30% on Rs. 2,000 and two successive discounts of 25% and 5% on the same amount is:
Option 1: Rs. 30
Option 2: Rs. 35
Option 3: Rs. 25
Option 4: Rs. 40
Correct Answer: Rs. 25
Solution : Amount = Rs. 2,000 If discount = 30%, final amount = $\frac{70}{100}$ × 2000 = Rs. 1,400 If two successive discounts of 25% and 5%, final amount = $\frac{75}{100}$ × $\frac{95}{100}$ × 2000 = Rs. 1,425 $\therefore$ Difference = 1425 – 1400 = Rs.
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