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Question : What is the value of $64 x^3+38 x^2 y+20 x y^2+y^3$, when $x=3$ and $y=-4$?
Option 1: 1236
Option 2: 488
Option 3: 536
Option 4: 1256
Correct Answer: 1256
Solution : Substituting $x=3$ and $y=-4$ into the expression. $64 x^3+38 x^2 y+20 x y^2+y^3$ $= 64(3)^3 + 38(3)^2(-4) + 20(3)(-4)^2 + (-4)^3$ $= 64(27) - 38(36) + 20(3)(16) - 64$ $= 1728 - 1368 + 960 - 64 = 1256$. Hence, the correct answer is 1256.
Question : Photosynthesis takes place in which part of the plant cell?
Option 1: Ribosomes
Option 2: Chloroplast
Option 3: Nucleus
Option 4: Mitochondria
Correct Answer: Chloroplast
Solution : The correct option is Chloroplast.
A chloroplast is a specialised organelle found in plant and algal cells that is responsible for photosynthesis by absorbing light energy, and turning it into chemical energy by the synthesis of glucose, and other organic compounds while releasing oxygen.
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.
Bharatanatyam will also (P) / feature in the two-week (Q) / World Music Festival. (R) / No error (S)
Option 1: 1
Option 2: 2
Option 3: 3
Option 4: 4
Correct Answer: 4
Solution : The correct choice is the fourth option.
The sentence is grammatically accurate and doesn't need any changes. The sentence conveys the idea that the dance form Bharatnatyam will be a part of the two-week World Music Festival.
Therefore, the given sentence contains no errors.
Question : The percentage of nitrogen in air is about ______ by volume.
Option 1: 76%
Option 2: 78%
Option 3: 82%
Option 4: 74%
Correct Answer: 78%
Solution : The correct answer is 78%.
The composition of nitrogen in air is about 78%. The other gas composition is 21% oxygen, 0.9% is occupied by argon, and the rest is occupied by gases like carbon dioxide, helium, hydrogen, methane, and ozone.
Question : The famous activist Medha Patkar is associated with which movement?
Option 1: Beti Padhao Andolan
Option 2: Narmada Bachao Andolan
Option 3: Preserve the wetlands
Option 4: Save the Tiger
Correct Answer: Narmada Bachao Andolan
Solution : The correct answer is Narmada Bachao Andolan.
Medha Patkar has been a central organizer and strategist for Narmada Bachao Andolan. A people's movement was organized to stop the construction of a series of dams planned for India's largest westward-flowing river, the Narmada.
Question : Directions: Two statements are given followed by two conclusions I and II. You have to consider these statements to be true, even if they seem at variance from commonly known facts. Choose which of the given conclusions logically follow/s from the given statement. Statements: I. All chairs are wood. II. No wood is furniture. Conclusions: I. All chairs are furniture. II. Some furniture is wood.
Option 1: Only conclusion I follows
Option 2: Only conclusion II follows
Option 3: Both conclusions I and II follow
Option 4: Neither conclusion I nor II follows
Correct Answer: Neither conclusion I nor II follows
Solution : The possible Venn diagram according to the given statements is as follows –
Let's analyse the conclusions – Conclusion (I): All chairs are furniture – From the Venn diagram, all chairs are wood and there is a negative relation between
Question : Directions: Select the term from among the given options that can replace the question mark (?) in the following series based on the English alphabetical order. ZAM, XCK, VEI, TGG, (?)
Option 1: SHH
Option 2: RIH
Option 3: RIE
Option 4: SIT
Correct Answer: RIE
Solution : Given: ZAM, XCK, VEI, TGG, (?)
Subtract 2 from the place value of the first and the third letter and add 2 to the place value of the second letter to get the next term in the series – ZAM→Z – 2 = X; A
Question : Which of the following is a neighbouring country of India?
Option 1: Australia
Option 2: Iran
Option 3: Russia
Option 4: Maldives
Correct Answer: Maldives
Solution : The correct answer is Maldives.
Maldives is a neighbouring island country of India. It is located in the Indian Ocean. Tourism is the mainstay of the Maldivian economy. India provides many training opportunities for the Maldivian National Defence Force(MDNF), meeting around 70% of
Question : Equilibrium price is the price when :
Option 1: Supply is greater than demand .
Option 2: Supply is less than demand .
Option 3: Demand is very high .
Option 4: Supply is equal to demand.
Correct Answer: Supply is equal to demand.
Solution : The correct option is supply is equal to demand.
The equilibrium price is the point at which the quantity of a good or service that producers are ready to sell equals the quantity that consumers are eager to purchase. This is
Question : Directions: What day of the week will be on the 1st of January 2033?
Option 1: Saturday
Option 2: Monday
Option 3: Sunday
Option 4: Tuesday
Correct Answer: Saturday
Solution : Code for months –
Code for days –
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