Students and Teachers Forum
We have given Ramita borrowed Rs. 13,000 from sadan at the rate of 21% per annum. And we have to calculate how much compound interest and simple interest will she have to pay at the end of 1 year 6 months. To find this, let P = Rs. .....
Here, LHS = sec2A + tan2A = 1/cos2A + sin2A/cos2A = (1 + sin2A)/cos2A RHS = (tanA + cotA)2 = (sinA/cosA + cosA/sinA)2 = {( sin2A + cos2A)/(sinA cosA)}2 = 1/(sin2A cos2A) Which is not LHS. Please check this question .....
Universal indicator:- A mixture of dyes that changes colour gradually over a range of pH and is used as an indicator paper in testing for acid. It is used to test wheather a solution is acid or a base.it changes colour according to the PHof the .....
It is said that 'think before you speak'. Do you know why people say this? Becasue we have to think a lot before speaking to someone else or somewhere else. If we speak without analysing the truth we may face problems. People may not .....
This can be solved by direct comparision. If x = 4, both sides will be equal. Thus, x = .....
क) हामी एउटै एकाङ्की मनिक्रमराज शर्मा (२०२७–२०५४) द्वारा रचिएको एकाङ्की हो । यसमा राष्ट्रिय .....
Given equation is 3x + 4y = 24 or, 3x/24 + 4y/24 = 1 or, x/8 + y/6 = 1 Compare this with x/a + y/b = 1, we get a = 8 and b = 6, Thus, area of triangle is .....
Please post the question with .....
Here, limx→64x6-2 x 3-4 = limx→64x6-2 x (6)2-22 = limx→641 x 6+2 = 1/(6√64 + 2) = .....
Here, k - 2, k - 6 & 2k + 3 are in GP, So, (k - 6)/(k - 2) = (2k + 3)/(k - 6) [ Snce, common ratio is constant.] or, .....
Here, External volume of Box = L x B x H = 15ft x 10 ft x 6 ft = 900ft3 Internal volume of Box = (15 - 0.125)ft x ( 10 - 0.125)ft x (6 - 0.125)ft .....
Sandwiched between Asian giants India and China, Nepal is highly prone to earthquake as there are frequent and regular grinding and collision between the Indian plate and the Tibetan plate giving rise to Nepal's magnificent Peaks. Due to .....
The second is the Standard International ( SI ) unit of time. One second is the time that elapses during 9,192,631,770 (9.192631770 x 10 9 ) cycles of the radiation produced by the transition between two levels of the cesium 133 .....
३. पोः तिमी आए पो मजा हुन्छ त । टाउको खानुः छोरो रोएर मेरो त टाउको खाइसक्यो .....
Here, x + 30o = 180o [ Since, Angles in a stright line.] or, x = 180o - 30o or, x = .....
Let y be the no.to be added. According to the question, (5 + y)/(8 + y) = 4/5 or, 25 + 5y = 32 + 4y or, 5y - 4y = 32 - 25 or, y = 7. Thus, the required no. .....
Here, tan3x - tanx - √3 tan3x tanx = √3 or, tan3x - tanx = √3(1 + tan3x tanx) or, ( tan3x - tanx )/(1 + tan3x tanx) = √3 or, .....
Here, Tanx + tan2x + tan3x = tanx.tan2x.tan3x or, Tan x + tan 2x + tan 3x - tan x tan 2x tan 3x = 0 or, tan x + tan 2x + tan 3x ( 1 - tan x tan 2x ) = 0 or, tan x + tan 2x = - tan 3x ( 1 - tan .....
Here, cos2x+√3sin2x=1 or, 1 - 2 sin2x + √3 ( 2sinx cosx) = 1 or, 2√3 sinx cosx - 2 sin2x = 0 or, 2 sinx( √3 cosx - sinx) = 0 Either, 2 sinx = 0 ⟹ sinx = 0⟹ x = 0, 180, .....
Here, LHS = 1 /(tan3θ - tanθ) - 1/(cot3θ-cotθ) = 1 /(tan3θ - tanθ) - 1/(1/tan3θ - 1/tanθ) = 1 /(tan3θ - tanθ) - tan3θ.tanθ/(tan3θ - .....
Here, LHS = cosec2β + cot4β = 1/Sin2β+Cos4β/Sin4β
= 2cos2β/(2cos2β.sin2β) + cos4β/sin4β
= 2cos2β/sin4β + cos4β/sin4β
= .....
Lut MP be y. Then, from the 1st case, SP = MP = y. So, SP = CP + P% of CP or, y = CP + 20/100 ⨯ CP or, CP = 5y/6..............(i) Again, froom the second .....
Quartz movements are very accurate and require minimal maintenance aside from battery replacements. They tend to be low-cost since they are battery powered and have few moving parts. Quartz watches aren’t as desirable to most watch enthusiasts .....
Lumbini lies in Kapilvastu district of western Terai. Like other terai districts, it is a hot place throughout the year with normal temperature 20-24oC. Lumbini is a plain with Mahabharat hill range to the north and Indian border to the .....
To use this method, the absolute value of the oxidation number of the first ion is used as the subscript of the second, and vice versa. The subscripts are then reduced by the greatest common factor. For .....
Do you know how many club are there in a deck of 52 cards? There are 13 card of club. So, Here, n(A) [Sample number for club and jack occurance] = 13 + 3 = 16. And, n(S) = Sample space = 52. You may know that, P(A)= n(A) / n(S) = 16/52 .....
Here, Annual income = 12 x Rs.22000 = Rs.264000 Taxable income = Total annula income - Tax free allowance .....
मुख्य कुरा दिइएको छ, मिलाएर लेख्नुहोला ।
Here, S = {10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20} n(S) = 11. Multiple of 5 or 2 = {10, 12, 14, 16, 18, 20} n(M) = 6 Probability of getting multiple of 5 or 2 is, P(M) = n(M)/n(S) .....
Last Sunday it was cloudy. I, along with my friends visited the zoo. As we reached the main gate of the zoo, we saw a huge crowd. Some were buying, entrance tickets, some were gossiping and chatting while others were relaxing under the shady .....
We know, Refractive index = Sini / Sinr or, 1.4 = sin45o/sinr or, sinr = 1.4/(1/√2) or, sinr = 0.50 or, r = sin-1(0.5) = 30o. Thus, angle of refraction = .....
कुन प्रश्नको उत्तर चाहिएको हो, मिलाएर लेख्नुहोस् है त .....
Here, tanx + cotx = 2 cosecx or, sinx/cosx + cosx/sinx = 2/sinx or, (sin2x + cos2x) / (sinx cosx) = 2/ sinx or, 1 = 2 sinx cosx / sinx or, sinx = 2 sinx cosx or, 2 sinx cosx - sinx = 0 or, sinx( 2 cosx - 1) = 0 Now find the solution within .....
We know that like Nepal, most of the African nations are underdeveloped and are suffering by rampant corruption, illiteracy, and many other social evils. Nepal's climate is almost similar to the climate found across Africa varying from Tundra .....
Some of the achievements of Subarna Shamsher led government are listed below: Promulgation of new constitution of Nepal 2015 BS. conduction of the first general election of 1st of Falgun 2015 BS. peaceful transition of power from Ranas to .....
सुनौलोः सुनौलो (सुनजस्तै देखिने) रङको हिमाल देख्दा पर्यटकहरू रमाए .....
The Delhi agreement brought Rana regime to its end after the period of 103 years. It also brought an end of armed revolution waged by various political parties. The agreement may be termed as the political agreement for the following reasons: it .....
Of the various systems, GIS is more reliable for the purpose of Mapmaking for reasons: GIS uses any information that includes location such as latitude and longitude, address, or ZIP code. It can include information about the landscape, such as .....
Since Mercury is the closest planet to the sun, the temperature on the surface of Mercury is very high. The temperature of the surface of Mercury changes from day to night. Before the sunrise the temperature on the surface of Mercury is as low as .....
महत्वपूर्ण कुरा दिइएको छ, मिलाएर लेख्नुहोला है ।
महत्वपूर्ण कुरा दिइएको छ, मिलाएर लेख्नुहोला है ।
८. (क) उनीहरु कविता लेखून् । (ख) तिमीहरु बजार जाओ । (ग) ठूलो पानी नपर्ला । (घ) तिनीहरु कता जाँदै छन् .....
४.(क) पाठशाला अविस्मरणीय (ख) “एकपटक हामी कोसिस गर्छौँ । हामी पाँच भाइ जान्छौँ ।” अर्जुनले .....
Construction: Join AC. Proof: Let ABCD be a quadrilateral. Clearly, ∠1 + ∠2 = ∠A ...... (i) And, ∠3 + ∠4 = ∠C ...... .....
Here, Cot3A + Cot2A = 0 or, Cot3A = - Cot2A or, Cot3A = Cot(180o - 2A) & Cot(360o - 2A). [ Since, cot(180o .....