Define Rectangular Components Of Vector
Rectangular components of the vector are defined as the parts of a vector resolved into vertical and horizontal vectors are... View Article
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Give A Brief Account Of The Tools Of Recombinant DNA Technology.
Recombinant DNA technology is the method that helps in the production of transgenic organisms. This technique uses certain tools. The... View Article
An Electric Bulb Of Resistance 200Ω Draws A Current Of 1 Ampere. Calculate The Power Of The Bulb The Potential Difference At Its Ends And The Energy In Kwh Consumed Burning It For 5H
Power of the bulb, \(\begin{array}{l} P = I^{2}R \\ \Rightarrow (1)^{2} * 200\\\Rightarrow 200 \end{array} \) P = 200 W... View Article
Find The Oxidation Number Of Sodium In NaCl
The oxidation number of Sodium-ion in NaCl is +1. The oxidation number of simple ions is equal to the charge... View Article
Write The Mathematical Relation Between Mobility And Drift Velocity Of Charge Carries In A Conductor Name
The mathematical relation between mobility and drift velocity of charge carriers in a conductor is given by \(\begin{array}{l} \mu =... View Article
Check whether the following statement is true or false: Dividend = Divisor × Quotient + Remainder.
The statement is true. Dividend = Divisor × Quotient + Remainder
Find the sum of all odd numbers between 100 and 200.
The series is 101, 103, 105, …, 199. Let the number of terms be n. a = 101, d =... View Article
There are 5 books on Mathematics, 4 on physics. In how many ways these be placed on shelves if the books on the same subject are to be together?
The number of ways to arrange mathematics books together = 5! The number of ways to arrange physics books together... View Article
Find the difference (5 / 7) – (2 / 7).
(5 / 7) – (2 / 7) = [5 – 2] / 7 = 3 / 7
Convert 4 radians into degree measure and also convert – 47 degree 30′ into radian measure.
To find the respective values. \(\begin{array}{l}(i) \pi radian =180^{\circ}\\ 4 \text \ radians =\frac{180}{\pi} \times 4 degree\\ =\frac{720 \times 7}{22}... View Article
A shopkeeper sold a TV set for Rs 17940 with a discount of 8% and earned a profit of 19.6%. What would have been the percentage of profit earned if no discount was offered?
Let the marked price of the TV set be Rs x. Discount = 8% Selling price of the TV =... View Article
The value of 512-2/9 is
The given expression can be written as \(\begin{array}{l}(512)^{-\frac{2}{9}} =\left(2^{9}\right)^{-\frac{2}{9}} \\ =2^{9 \times \frac{-2}{9}} \left[\left(\mathbf{a}^{\mathrm{b}}\right)^{\mathrm{c}}=\mathrm{a}^{\mathrm{b} \mathrm{c}}\right] \\ =\mathbf{2}^{-2} \\ =\frac{1}{4}\end{array} \)
The number of seats for admission is increased by 10 % every year. If the number of seats in 2001 was 400, what were the number of seats in 2003?
Number of seats in 2001 = 400 10% increased in 2002 from 2001 = 400 + 400 × (10 /... View Article
Convert 3π / 5 radian into sexagesimal system.
The value of \(\begin{array}{l}\pi \text { radian }=180^{\circ} \\ 1 \text { radian }=\frac{180^{\circ}}{\pi} \\ \frac{3 \pi}{5} \text { radians... View Article
Solve the following (3x / 4) – (1 / 4) (x – 20) = (x / 4) + 32.
Consider the given expression. \(\begin{array}{l}\frac{3 x}{4}-\frac{1}{4}(x-20)=\frac{x}{4}+32\\ \text { Multiply by } 4 \text { both sides we get }\\ 3... View Article
Find the Median of 17, 23, 36, 12, 18, 23, 40 and 20.
Arranging in ascending order \(\begin{array}{l}12,17,18,20,23,23,36,40\\ \text { The number of terms =8 which is even}.\\ Median =\frac{1}{2}\left\{\frac{\mathrm{n}}{2}\right. th term +\left(\frac{\mathrm{n}}{2}+1\right)... View Article
Use the systematic method to solve the following equation 3 (x – 2) = 15.
3 (x – 2) = 15 Divide both the sides by 3 [3 (x – 2)] / 3 = 15... View Article
Convert the fraction into decimal 5/8.
Answer: 0.625 In the decimal number system, the numbers are represented with base 10. The way of denoting the decimal... View Article
The total number of subsets of the set {1, 3, 5, 7} is
Set = {1, 3, 5, 7} Number of elements in the set = 4 The number of subsets = 2n... View Article
Simplify: [155 × 155 × 155 – 55 × 55 × 55] / [155 × 155 + 155 × 55 + 55 × 55]
The given expression is \(\begin{array}{l}\frac{155 \times 155 \times 155-55 \times 55 \times 55}{155 \times 155+155 \times 55+55 \times 55} \\... View Article
