Computer Science Engineering
Question : Select the sentence with the appropriate use of preposition.
Option 1: It has been raining till morning.
Option 2: It has been raining from morning.
Option 3: It has been raining by morning.
Option 4: It has been raining since morning.
Correct Answer: It has been raining since morning.
Solution : The right option is the fourth option.
The sentence "It has been raining since morning" uses the preposition "since" correctly to indicate the starting point of the action (raining). "Since morning" implies that the rain started in the morning and
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Question : How many anions surround a sodium ion in a crystal lattice of sodium chloride?
Option 1: Six
Option 2: Eight
Option 3: Seven
Option 4: Nine
Correct Answer: Six
Solution : The correct option is 6.
Every sodium (Na) ion in a sodium chloride (NaCl) crystal lattice has six surrounding chloride (Cl) ions, and every chloride ion has six surrounding sodium ions. This arrangement is a result of the ionic bonding between sodium and chloride
Question : Johann Gregor Mendel is famous for propounding
Option 1: Theory of mutation
Option 2: Laws of heredity
Option 3: Cell theory
Option 4: Theory of acquired characters
Correct Answer: Laws of heredity
Solution : The correct option is Laws of heredity
Johann Gregor Mendel is well known for developing the Laws of heredity and is known as the "Father of Modern Genetics." In the nineteenth century, he conducted ground-breaking studies with pea plants, during which he uncovered
Question : M, N and O are partners in a firm sharing profits in the ratio equally Their Balance Sheet as at 31-3-2019 showed a debit balance of Profit & Loss A/c 90,000. From 1-4-2019 they will share profits 4:3:2. In the necessary journal entry to give effect to the above arrangement when M, N and O decided not to close the Profit & Loss Account:
Option 1: Dr. M by Rs 10,000; Cr. O by Rs 10,000
Option 2: Cr. M by Rs 10,000; Dr. O by Rs 10,000
Option 3: Dr. M by Rs 20,000; Cr. O by Rs 20,000
Option 4: Cr. M by Rs 20,000; Dr. O by Rs 20,000
Correct Answer: Dr. M by Rs 10,000; Cr. O by Rs 10,000
Solution : Answer = Dr. M by Rs 10,000; Cr. O by Rs 10,000
Sacrificing Ratio = O.R.- N.R.
M = 1/3 - 4/9 = 3-4/9 = -1/9 x 90,000 = 10,000
N = 1/3 -3/9 = 3-3/9
Question : Statement 1: Intrinsic motivation is solely driven by external rewards.
Statement 2: Intrinsic motivation originates from within an individual and does not rely solely on external factors.
Option 1: Both statements are correct.
Option 2: Statement 1 is correct, and statement 2 is false.
Option 3: Both statements are incorrect.
Option 4: Statement 2 is correct, and statement 1 is incorrect.
Correct Answer: Statement 2 is correct, and statement 1 is incorrect.
Solution : The correct answer is (d) Statement 2 is correct, and statement 1 is incorrect.
Statement 1 is incorrect. Intrinsic motivation is motivation that comes from within an individual, driven by internal factors such as personal enjoyment, interest,
Question : Directions: What will come in the place of (?) in the following equation, if + and – are interchanged and × and ÷ are interchanged? 9 ÷ 576 × 24 + 109 – 7 = ?
Option 1: 114
Option 2: 214
Option 3: 318
Option 4: 218
Correct Answer: 114
Solution : Given: 9 ÷ 576 × 24 + 109 – 7 = ?
After interchanging + with –, and × with ÷, the equation will be as follows – = 9 × 576 ÷ 24 – 109 + 7 = 9 × 24 – 109 +
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If you are looking forward to pursue B.tech in Computer Science from a reputed or from a top college with great facilities and high placements, then you will have to give entrance exams. To apply to colleges or universities in India, you need to score highly on entrance exams
Question : If the sides of a right-angled triangle are three consecutive integers, then the length of the smallest side is
Option 1: 3 units
Option 2: 2 units
Option 3: 4 units
Option 4: 5 units
Correct Answer: 3 units
Solution : Let one side of a right-angled triangle be $x$. Shortest side = $x-1$ Longest side = $x +1$ Since the three sides form a right-angled triangle. $(x+1)^2=(x-1)^2+x^2$ ⇒ $x^2+1+2x=x^2+1-2x+x^2$ ⇒ $x^2=4x$ ⇒$x=4$ Thus, shortest side = $x-1=4-1=3$ Hence, the correct answer is 3 units.
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