Students and Teachers Forum
Here, 4x-2+2 ⨉ 22x-1=17/16 or, 4x.4-2 + 2. 22x.2-1 = 17/16 or, 22x.4-2 + 2. 22x.2-1 = 17/16 or, 22x(4-2 + 1) = 17/16 .....
Let, the cost of the 1 kg goods = Rs. 1000 Then, the cost of the 900 gm goods would be Rs. 900 Now, the profit percent = (Rs. 1000 - Rs. 900) / Rs. 1000 ⨉ 100% .....
Given by the question, Mass of an object (M1) = 30 kg Mass of another object (M2) = 20 kg Distace between them (r) = 8 m We know, Gravitational constant (G) = 6.67408 × 10-11 m3 kg-1 s-2 By using formula, g = .....
Let us recall some formula : cotA = 1 / tanA tan ( A + B ) = (tanA + tanB) / ( 1 - tanA.tanB) Now, LHS .....
LHS : ( sin5θ / sinθ ) - ( cos5θ / cosθ ) Taking LCM = ( sin5θ x cosθ - cos5θ x sinθ ) / ( sinθ.cosθ) = sin (5θ - θ) / ( sinθ.cosθ) .....
Excretion is one of the most basic functions of life. It is the process of eliminating waste products of metabolism and other non-useful materials. It is an essential process in all forms of life. In single-celled organisms, waste products .....
Plants have two systems for the transportation of substances - using two different types of transport tissue. The transport tissues are : Xylem: Xylem transports water and solutes from the roots to the leaves. Phloem: Phloem transports food from .....
Let the matrix B be: B=abcd Given, A=25-21 And, A + 2B = .....
Here, 14, 19, 2x+4, 3x-4, 28, 3x+2 and 34 are in ascendinh order & third quartile is 31. No.of items = n = 7. We know, Third quartile = 3(n+1)/4th item or, 31 = 6th item [ .....
I think in place of A4, there should be A. Now correct question and .....
In Sexagesimal system, 1 right angle = 90 degrees and one degree = 60 minutes So one degree = 1 / 90 right angle 1 minute = 1 / 60 degree = (1 / 60 ) x ( 1 / 90 ) right angle ( one degree = 1 / 90 right .....
3ax2 × .....
Study the following rules for your better .....
Momentum is a vector quantity that is the product of the mass and the velocity of an object or particle.The standard unit of momentum magnitude is the kilogram-meter per second (kg · m/s or kg · m · s -1 ). Therefore, momentum .....
10 to the 12th power is the 10th power of 1 trillion. 1 trillion = .....
Parasite which .....
Factors of 67 = 1, 67. Because 67 is a prime .....
Given by the question, Mass of an object (m1) = 25 kg Mass of another object (m2) = 20 kg Distace between them (r) = 5 m We know, Gravitational constant (G) = 6.67408 × 10-11 m3 kg-1 s-2 By using formula, g = .....
Royal Bengal Tiger is the national animal of .....
But, utilization of hydroelectricity is quite important. For the proper utilization of hydroelectricity, the following things should be done: - institutional capacity development of Nepal Electricity Authority - effective management of electric .....
There are many natural, religious and cultural heritages of Nepal that increase the glory of Nepal. Some of them are: 1. Sagarmatha ( Mount Everest) 2. Swayambunath Stupa 3. Pashupatinath temple 4. Boudhanath Stupa 5. Patan Durbar Square 6. .....
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In the given parallelogram PQRS draw a perpendicular line from the point P to O Given, QR = PS = 4√3 cm .....
In ∆ABE, ∠ AEB = ∠ EAB = 30 [Being isosceles triangle] ∠ AEB + ∠EAB + ∠EBA = 180 [Sum of angles of a triangle] 30 + 30 + ∠EBA = 180 ∠EBA = 120 Area of ∆ABE = 1/2 ˣ .....
Social evils mean the bad customs of four society such as dowry system, untouchability, Chhaupadi etc. Social evils are still prevalent in our Nepalese society. They have created a gap among the people. They have delayed the development of our .....
( xyz )2 = { 3 x 2 x ( -1) } 2 = { - 6 } 2 = .....
By using simple machine we can do our work easily. we can change the direction of force applied. we can transfer the applied .....
In this type of question, you have to follow DMAS rule: First, you have to Divide Second, you have to Multiply Third, you have to Add At last, you have to Subtract For example: In question a, there is no .....
Cot 22.5 - tan 22.5 = 1 / tan 22.5 - tan 22.5 = ( 1 - tan2 22.5 ) / tan 22.5 = 2 ( ( 1 - tan2 22.5 ) / 2 tan 22.5 = 2 / tan ( 2 x 22.5 ) = .....
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Here, Ordered pairs: { (7, 1), (8, 2), (9, 3)} Do similarly for .....
F(a) = a/m i.e f ( x ) = x / m now g [ f { g ( x)}] = g [ f { 5x - 7 } ] = g { ( 5x - 7 ) / m } = 5 { ( 5x - 7 / m } - 7 now use g [ f{ g ( x ) } ] =15x - .....