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Question : A radioactive substance does not undergo any change (in mass or charge) during
Option 1: gamma emission
Option 2: oxidation
Option 3: alpha emission
Option 4: beta emission
Correct Answer: gamma emission
Solution : The correct answer is gamma emission.
Gamma rays do not have mass or charge. Gamma radiation is a type of ionising radiation with a very high energy. Gamma rays are pure electromagnetic energy with no mass or electrical charge. These rays move at
Question : What is the name of a metallic radioactive transuranic element with atomic number 101 in the actinide series, discovered in 1955?
Option 1: Seaborgium
Option 2: Nobelium
Option 3: Mendelevium
Option 4: Rutherfordium
Correct Answer: Mendelevium
Solution : The correct option is Mendelevium.
The metallic radioactive transuranic element with atomic number 101 in the actinide series, discovered in 1955, is called Mendelevium. It is named after Dmitri Mendeleev, the Russian chemist who is best known for creating the periodic table of elements. It
Question : The first state in India to implement Panchayati Raj system was
Option 1: Punjab
Option 2: Rajasthan
Option 3: Gujarat
Option 4: Uttar Pradesh
Correct Answer: Rajasthan
Solution : The correct answer is Rajasthan.
A committee led by Balwant Rai Mehta was appointed by the National Development Council in 1957 to organise and reconstruct local self-government at the rural level and to make recommendations on the matter. A three-tier structure of local self-government from
Question : Directions: In the following question, some parts of the sentences have errors and some are correct. Find out which part of a sentence has an error. The number of that part is the answer. If a sentence is free from error, your answer is "No Error".
You need not tell a lie (1) / when the judge asked you where you were (2) / when the crime was committed. (3) / No Error (4)
Option 1: (1)
Option 2: (2)
Option 3: (3)
Option 4: (4)
Correct Answer: (1)
Solution : The correct choice is the first option.
We use needn't have + past participle form to refer to events which happened but which the speaker considers were unnecessary. So, need not tell a lie should be replaced with need not have told.
Therefore,
Question : Identify the segment that contains a grammatical error. If there is no error, select 'No Error'.
The differences were / imperceptible to all but / the most trained eye.
Option 1: imperceptible to all but
Option 2: No Error
Option 3: the most trained eye.
Option 4: The differences were
Correct Answer: No Error
Solution : The correct choice is the second option.
Explanation:
The sentence is grammatically correct. The sentence effectively communicates that the differences were extremely subtle and that only someone highly trained or observant would be able to perceive them without any grammatical errors.
Therefore, the correct
Question : The table given below shows the salary of 6 employees of a company.
What is the total salary of all the employees?
Option 1: 1800
Option 2: 2400
Option 3: 1600
Option 4: 2200
Correct Answer: 2200
Solution : Salary of employee P = 200 Salary of employee Q = 650 Salary of employee R = 350 Salary of employee S = 250 Salary of employee T = 450 Salary of employee U = 300 $\therefore$ Total salary of all the employees = 200
Question : The LCM of the two numbers is 840 and their HCF is 7. If one of the numbers is 56, find the other.
Option 1: 120
Option 2: 112
Option 3: 105
Option 4: 84
Correct Answer: 105
Solution : Given that the LCM is 840, the HCF is 7 and one of the numbers is 56. Let the other number be $x$. We know, LCM × HCF = Number1 × Number2 Substituting the given values into the equation: $⇒840 × 7 = 56 ×
Question : A sum of money at a fixed rate of simple interest amounts to INR 1630 in 3 years and to INR 1708 in 4 years. Find the sum (in INR).
Option 1: 1132
Option 2: 1296
Option 3: 1396
Option 4: 1448
Correct Answer: 1396
Solution : The difference in the amounts after 3 years and 4 years gives us the simple interest for 1 year. The simple interest for 1 year is INR 1708 – INR 1630 = INR 78 Interest for 3 years = (78 × 3) = INR 234
Question : Directions: From the given words, select the word that cannot be formed using the letters of the given word. PROXIMAL
Option 1: MOLAR
Option 2: AXIOM
Option 3: REALM
Option 4: APRIL
Correct Answer: REALM
Solution : Given: PROXIMAL
Let's compare the given options – First option: MOLAR; All the letters of MOLAR are present in the word PROXIMAL. Second option: AXIOM; All the letters of AXIOM are present in the word PROXIMAL. Third option: REALM; E is not present in the
Question : Match the following items concerning money.
Option 1: i-d, ii-c, iii-a, iv-b
Option 2: i-a, ii-d, iii-b, iv-c
Option 3: i-c, ii-b, iii-a, iv-d
Option 4: i-b, ii-c, iii-d, iv-a
Correct Answer: i-b, ii-c, iii-d, iv-a
Solution : The correct answer is i-b, ii-c, iii-d, iv-a.
i. Primary functions; b. Measure of value
Money is a universal metric for assessing the value of goods or services, allowing their worth to be quantified in monetary terms.
ii. Secondary functions: c. Store
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