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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
Percentage Part – 9 | प्रतिशतता
“MathD Presents “Percentage Part – 9 ” Percentage Part – 9 | प्रतिशतता एक व्यक्ति अपनी आय का 75% राशि खर्च कर देता है । उसकी आय 20% वृद्धि होने पर वह अपने खर्च में 10% वृद्धि करता है । तब उसकी बचत में कितने प्रतिशत वृद्धि होगी ? और उसके बचत का प्रतिशत कितना होगा ? A person expenses his 75% of salary. When his income grows by 20%, he raises his expense by 10%. Then what percentage increase in his savings? And what would be the percentage ofView Page
Percentage Part – 8 | प्रतिशतता
“MathD Presents “Percentage Part – 8 ” Percentage Part – 8 | प्रतिशतता Must watch | salary and expense related question एक गाँव की वर्तमान आबादी 121000 है । यदि इसकी आबादी प्रतिवर्ष 10% वार्षिक दर से बढ़ रही हो तो 2 वर्ष पूर्व गाँव की जनसँख्या कितनी थी ? The present population of a village is 121000. If its population is growing at an annual rate of 10% per annum then what was the population of the village two years ago? (a) 100000 (b) 100100 (c) 112000 (d) 221000 View Page
Percentage Part – 7 | प्रतिशतता
“MathD Presents “Percentage Part – 7 ” Percentage Part – 7 | प्रतिशतता अनिल ने अपनी पूँजी का 65% मशीनरी में तथा 20% कच्चा माल खरीदने में खर्च कर दिया । यदि उसके पास अब 1305 रु. बचे हों तो उसने कितना खर्च कर दिया ? Anil spent 65% of his capital in machinery and 20% to buy raw material. If he now has Rs 1305 left. How much did he spend? (a) 7395 रु. (b) 8720 रु. (c) 8700 रु. (d) 8280 रु. (e) 8050 रु. एक विद्यार्थी अपनेView Page