railways
Profit & Loss Part – 3 | लाभ तथा हानि
“MathD Presents “Profit and Loss Part – 3” Profit and Loss Part – 3 | लाभ तथा हानि Must watch it किसी वस्तु को 2000 रु. में बेचने पर दुकानदार को 25% का लाभ होता है । यदि उसे 40% लाभ पर बेचा जाता तो उस वस्तु का विक्रय मूल्य क्या होता ? The shopkeeper has 25% gain on selling any item for Rs.2000. If it was sold at 40% profit, then what would the selling price of that item be? किसी वस्तु को 720 रु. में बेचने पर 20View Page
Profit & Loss Part – 2 | लाभ तथा हानि
“MathD Presents “Profit and Loss Part – 2” Profit and Loss Part – 2 | लाभ तथा हानि Must watch it एक दुकानदार किसी वस्तु को 5% हानि पर बेचता है, यदि वह इसे 80रु. अधिक में बेचता तो उसे 5 % का लाभ होता, तो बताइए वस्तु की कीमत कितनी है ? A shopkeeper sold an article at a loss of 5%. If the selling price had been increased by Rs. 80, there would have been a gain of 5%. What is the cost price of the article? किसीView Page
Profit & Loss Part – 1 ( BASICS) | लाभ तथा हानि
“MathD Presents “Profit and Loss Part – 1” Profit and Loss Part – 1 ( BASICS) | लाभ तथा हानि Beginners must watch it
Simplification Part – 16 ( सरलीकरण ) | comparison x and y
“MathD Presents “Simplification Part – 16” comparison x and y Here two equations numbered I and II are given. You have to solve both the equations and give answer नीचे दिए दो समीकरणों I व II को हल करके सही विकल्प चुनिए- i) x3× 13 = x2× 247 ii) y1/3× 14 = 294 ÷ y2/3 A. If x > y B. If x ≥ y C. If x < y D. If x ≤ y Here two equations numbered I and II are given. You have to solve both the equations and give answerView Page
Simplification Part – 15 ( सरलीकरण )
“MathD Presents “Simplification Part – 15” 1/3 of a number is 6 more than the 1/6 of the same number? यदि किसी संख्या का, उस संख्या के से 6 ज्यादा हो, तब वह संख्या क्या होगी ? A. 6 B. 18 C. 36 D. 24 If x/2y = 2a, then what is the value of 2x/(x – 2ay) ? यदि x/2y = 2a हो तब 2x/(x – 2ay) का मान क्या होगा? A. 4 B. 8 C. 16 D. 2 E. 1 If x + y = 25 and x2y3 +View Page
Simplification Part – 14 ( सरलीकरण ) | Easy Tricks
“MathD Presents “Simplification Part – 14” 1. The square root of 3 + root5 is : 3 + root5 का वर्गमूल क्या होगा? 2. If 2(2x-1)= 8(3-x), then the value of x is: यदि 2(2x-1)= 8(3-x) तब x का मान क्या होगा ? 3. If (11)3 is subtracted from the square of a number, the answer so obtained is 6590. What is the number? यदि किसी संख्या के वर्ग में से (11)2 को घटाया जाये तब 6590 प्राप्त होता है, तब वह संख्या क्या होगी ? A. 36 B. 58 C. 89 D. 48 4. If (78)2 is subtracted from the square of the number, the answerView Page
Simplification Part – 12 ( सरलीकरण ) | approximation
“MathD Presents “Simplification Part – 12” Approximate solution/Simplification 1. What approximate value will come in place of question mark (?) in the following question? नीचे दिए गये प्रश्न का लगभग मान ज्ञात कीजिए – 499.99 + 1999 ÷ 39.99 × 50.01 = ? A. 3200 B. 2700 C. 3000 D. 2500 E. 2400 2. 2. What approximate value will come in place of question mark (?) in the following question? नीचे दिए गये प्रश्न का लगभग मान ज्ञात कीजिए – [(7.99)2 – (13.001)2 + (4.01)3] 2 = ? A. -1800 B. 1450 View Page
Simplification Part – 10 ( सरलीकरण ) | Surds and Indices | घातांक तथा करणी | Devesh Sir | mathd
Surds and Indices | घातांक तथा करणी