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१ देखि ७० सम्मका संख्याहरुमा अन्त्यमा १ वा ९ आउने सङ्ख्या कति प्रतिशत हो ? (What percentage of numbers from 1 to 70 have 1 or 9 in the unit's digit?)
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Mathematics — Set 14
8 Questions with Answers & Explanations
Set 14 of 14
2
A,B,C ले कुनै व्यवसायमा ५०,००० लगानी गरे । A ले B ले भन्दा ४००० बढि लगानी गर्यो र B ले C भन्दा ५००० बढि लगानी गर्यो, भने जम्मा नाफा ३५००० हुँदा भने A ले कति प्राप्त गर्ला ? A, B, C subscribe Rs. 50,000 for a business. A subscribes Rs. 4000 more than B and B Rs. 5000 more than C. Out of a total profit of Rs. 35,000, A receives:
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3
A र B सँग जम्मा रु १२१० छ । यदि A को १५ को ४ भाग र B को ५ को २ भाग बराबर हो भने B सँग जम्मा कति रुपैयाँ होला ? A and B together have Rs. 1210. If 4/15 of A's amount is equal to 2/5 of B's amount, how much amount does B have?
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4
A boat running upstream takes 8 hours 48 minutes to cover a certain distance, while it takes 4 hours to cover the same distance running downstream. What is the ratio between the speed of the boat and speed of the water current respectively?
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5
एउटा व्यारेकमा १५० जनालाई ४५ दिन पुग्ने खाना छ । १० दिनपछि २५ जनाले उक्त व्यारेक छाडे भने बाँकी मानिसलाई उक्त खाना कति दिनलाई पुग्छ ? (A fort had provision of food for 150 men for 45 days. After 10 days, 25 men left the fort. The number of days for which the remaining food will last, is:)
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6
एउटा हल १५ मिटर लामो र १२ मिटर चौडा छ । यदि यसको भुइँ र सिलिङको क्षेत्रफलको योग यसका चार भित्ताको क्षेत्रफलसँग बराबर छ भने उक्त हलको आयतन कति होला ? (A hall is 15 m long and 12 m broad. If the sum of the areas of the floor and the ceiling is equal to the sum of the areas of four walls, the volume of the hall is:)
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7
A ले कुनै काम १८ दिनमा गर्न सक्छ र B ले उक्त काम १५ दिनमा गर्न सक्छ । B ले १० दिन गर्यो र उक्त काम छोड्यो अब बाँकी काम A एक्लैले उक्त काम कति दिनमा पुरा गर्न सक्ला ? (A can finish a work in 18 days and B can do the same work in 15 days. B worked for 10 days and left the job. In how many days, A alone can finish the remaining work?)
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8
४३, ९१ र १८३ लाई भाग गर्दा समान शेष आउने सबैभन्दा ठुलो अंक पत्ता लगाउनुहोस् । (Find the greatest number that will divide 43, 91 and 183 so as to leave the same remainder in each case.)
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