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The Vermiform Appendix Is Called Abdominal Tonsil.(True/False)

The given statement is true. The vermiform is a small, narrow tube-like organ, usually located at the lower right side of the abdomen. The... View Article

If A Is The Set Of The Divisors Of The Number 15, B Is The Set Of Prime Numbers Smaller Than 10 And C Is The Set Of Even Numbers Smaller Than 9, Then (A∪C) ∩ B Is The Set.

Given: A is the set of the divisors of the number 15 A = {1, 3, 5, 15} B is the set of prime numbers smaller than 10 B = {2, 3, 5, 7} C... View Article

Who Developed The Concept Of Elasticity Of Demand?

Alfred Marshall developed the concept of elasticity of demand. Explore more such questions and answers at BYJU’S.... View Article

In A Single Throw Of A Die, What Is The Probability Of Getting A Number Than 4?

Sol: When a die is thrown, we have S = {1, 2, 3, 4, 5, 6} Let E= event of getting a number greater than 4 = {5,6} Therefore, the probability... View Article

A Battery Converts Chemical Energy Into Electric Energy (True/False)

The given statement is true. A battery converts chemical energy into electrical energy by producing a voltage between its output terminals and... View Article

Number Of Ways In Which 7 Green Bottles And 8 Blue Bottles Can Be Arranged In A Row If Exactly 1 Pair Of Green Bottles Is Side By Side Is (Assume All Bottles To Be A Like Except For The Colour).

Sol: Consider the two green bottles as one entity. Let us refer to the green bottle as G and the blue bottle as B. So now we have 14 units to... View Article

Which Of The Following Metal Does Not Conduct Electricity? (A) Brass. (B) Barium.(C) Bismuth.(D) All Of These.

The correct answer is (C) Bismuth. Bismuth (Bi) is a chemical element with the atomic number 83, which is very stable as it is half-filled and... View Article

The Centres Of Two Identical Spheres Are 1.0m Apart If The Gravitational Force Between The spheres be 1.0 N, then what is the mass of each sphere? (G = 6.67 * 10-11m kg-s-2)

Given: G = 6.67 * 10-11m kg-1s-2 Gravitational Force = 1N Distance between the two centres = 1 m f = As given in the question, the... View Article

Calculate The Uncertainty In The Velocity Of A Wagon Of Mass 3000 Kg. Whose Position Is Known To An Accuracy Of 10pm.

Sol: By Heisenberg's Uncertainty Principle, Explore more such questions and answers at BYJU’S.... View Article

The Most Populous Union Territory In India, According To The 2011 Census, Is _____. (A) Delhi. (B) Ladakh. (C) Chandigarh. (D)Andaman and Nicobar Islands.

The correct answer is (A) Delhi. Delhi is the largest union territory in India in terms of population. Explore more such questions and answers... View Article

The Saturation Point Of CO2 In C4 Plants Is (A) 360 μl/L.(B) 390 μl/L. (C) 450 μl/L. (D) 460 μl/L

The correct answer is (A) 360 μl/L. The optimum CO2 concentration in C4 plants is 360 μl/L or 360 ppm. Explore more such questions and... View Article

Solve: (x+2) (x+3) + (x−3) (x−2) − 2x (x+1) = 0

Sol: Given: (x+2) (x+3) + (x−3) (x−2) − 2x (x+1) = 0 ⇒ x2 + 2x + 3x + 6 + x2 - 3x - 2x + 6 - 2x2 - 2x = 0 ⇒ 2x2 - 2x2 + 5x - 2x + 12 = 0 ⇒... View Article

How Does Oscillating Charge Produce Electromagnetic Waves?

An oscillating charge produces an oscillating electric field in space, which produces an oscillating magnetic field. The oscillating electric and... View Article

The Number 31,13,11,31,13,11,31,13,11,311 Is Divisible By both 3 And 11. (True / False)

The given statement is false. The number 31,13,11,31,13,11,31,13,11,311 is neither divisible by 3 nor by 11. According to the rules of... View Article

Find The Smallest Number By Which 3645 Must Be Divided So That It Becomes Perfect Square. Also, Find The Square Root Of The Resulting Number.

Sol: 3645 = (3 * 3) * (3 * 3) * 5 * 3 ⇒ 32 * 32 * 5 * 3 To make the unpaired 5 and 3 into paired, the number 3645 has to be divided by 5 × 3 =... View Article

The Selling Price Of A Sofa-Set Is 3/5 Times Of Its Cost Price. Find The Gain Or The Loss As Percent.

Sol: Let the cost price (CP) be x Let the selling price (SP) be Loss = CP - SP ⇒ ⇒ Loss percent ⇒ ⇒ 0.4 * 100 = 40 Explore more... View Article

A Solution Is Obtained Bby Mixing 300 G Of 25 Percent Solution And 400 G Of 40 Percent Solution By Mass. Calculate The Mass Percentage Of The Resulting Solution.

The total amount of solute present in the solution is ⇒ ⇒ ⇒ 75 + 160 ⇒ 235 g. The total amount of solution = 300 + 400 = 700 g. The... View Article

A Given Sample Of Drinking Water Was Found To Be Severely Contaminated With Chloroform (CHCl3) Supposed To Be A Carcinogen. The Level Of Contamination Was 15 Ppm By Mass. Answer The Following Questions.

(I) Express This In Percent By Mass. The amount of chloroform (CHCl3) is 15 ppm. The precent by mass is ⇒ 1.5 * 10-5 % (II) Determine The... View Article

State The Function Of Decomposers In An Ecosystem

Decomposers are micro-organisms that digest things that are dead or decaying and turn the dead plants and animals into humus. Bacteria and Fungi... View Article

What Is The Purpose Of Contra Entry

The entries which take place between bank and cash are termed as contra entries. In contra entries, the deposited cash in the bank and cash... View Article