Petrol pump पर मिलने वाली 5 मुफ्त सुविधाएं #shorts

A man could not decide between discount of 30% or two successive discounts of 25% and 5%, both given on a shopping of Rs 2,000. What is the difference between both the discounts? एक व्यक्ति 2000 की खरीदारी पर मिलने वाली 30% की छूट अथवा 25% एवं 5% की क्रमिक छूट को लेकर निर्णय नहीं ले पा रहा था दोनों छूट के बीच अंतर ज्ञात करें |

If a number multiplied by 25% of itself gives a number which is 200% more than the number, then the number is यदि किसी संख्या को उसके 25% से गुणा करने पर मिलने वाली संख्या उस संख्या से 20% अधिक हो, तो वह संख्या है-

A person buys an article for Rs. 16. If he had to buy a dozen of articles, then he would have to pay a total amount of Rs. 160. What would be the discount percentage ( correct to the nearest integer ) on buying a dozen of articles ? कोई व्यक्ति रु 16 में एक वस्तु खरीदता है | यदि उसे एक दर्जन वस्तुएँ खरीदनी होतीं तो उसे रु 160 की कुल राशि का भुगतान करना पड़ता | एक दर्जन वस्तुएं खरीदने पर उसे मिलने वाली छूट लगभग कितनी प्रतिशत (निकटतम पूर्णाक में ) होती?

My Scooty gives an average of 40 kmpl of petrol. But after recent filling at the new petrol pump, its average dropped to 38 kmpl. I investigated and found out that it was due to adulterated petrol. Petrol pumps add kerosene, which is 2/3 cheaper than petrol, to increase their profits. Kerosene generates excessive smoke and knocking and gives an average of 18 km per 900 ml. If I paid Rs. 30 for a litre of petrol, what was the additional amount the pump-owner was making ?

My scooty gives an average of 40 kmpl of petrol. But after recent filling at the new petrol pump, its average dropped to 38 kmpl. I investigated and found out that it was due to adulterated petrol. Petrol pumps add kerosene, which is 2/3 cheaper than petrol, to increase their profits. Kerosene generates excessive smoke and knocking and gives an average of 18 km per 900 ml. If I paid Rs 30 for a litre of petrol, what was the additional amount the pump-owner was making? (a) Rs 1.75 (b) Rs 1.80 (c) Rs 2 (d) Rs 2.30

An oil company has two depots A and B with capacities of 7000 L and 4000 L respectively. The company is to supply oil to three petrol pumps, D, E and F whose requirements are 4500L, 3000L and 3500L respectively. The distances (in km) between the depots and the petrol pumps is given in the following table: Assuming that the transportation cost of 10 litres of oil is Re 1 per km, how should the delivery be scheduled in order that the transportation cost is minimum? What is the minimum cost?

A shopkeeper bought 80 kg of rice at a discount of 10%. Besides 1 kg rice was offered free to him on the purchase of every 20 kg rice. If he sells the rice at the marked price, his profit percentage will be: एक दुकानदार ने 10% छूट पर 80 किलो ग्राम चावल ख़रीदा | इसके अलावा, प्रत्येक 20 किलो चावल की ख़रीद पर उसे 1 किलो चावल मुफ्त दिया गया | यदि वह चावल को बाज़ार मूल्य पर बेच देता है, तो उसके लाभ का प्रतिशत होगा :

At the rate of simple interest per annum, the interest on a certain sum of money for 10 years will be 2/5 part of the amount, then the rate of simple interest is- प्रतिवर्ष साधारण ब्याज दर से, किसी राशि पर 10 वर्ष में मिलने वाला ब्याज उस राशि का 2/5 भाग होगा, तो साधारण ब्याज की दर कितनी हैं?