1
यदि २० वटा संख्याको औसत शून्य छ भने कति संख्या शून्य भन्दा ठूला हुनुपर्छ ? (The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero?)
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Mathematics — Set 10
10 Questions with Answers & Explanations
Set 10 of 14
2
५ वजेर १५ मिनेटमा कति डिग्रीको कोण बन्छ ? At what angle the hands of a clock are inclined at 15 minutes past 5?
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3
दुई ओटा सङ्ख्याहरू तेस्रो सङ्ख्या भन्दा क्रमिक रुपमा २० प्रतिशत र ५० प्रतिशतले बढि छन् भने ती दुई वटा सङ्ख्याहरूको अनुपात कति होला ? Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is:
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4
राम र हरीको तलबको अनुपात २:३ थियो । यदि उनीहरुको तलव रु. ४००० ले बढ्दा तलवको अनुपात ४०:५७ भयो भने हरीको तलव कति होला ? (Salaries of Ram and Hari are in the ratio 2 : 3. If the salary of each is increased by Rs. 4000, the new ratio becomes 40 : 57. What is Hari's salary?)
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5
रोकिएको समय नगन्दा बसको गति ५४ किलोमिटर प्रतिघण्टा छ, रोकिएको समय गन्ने हो भने बसको गति ४५ किलोमिटर प्रतिघण्टा छ भने बस एक घण्टामा कति समय रोकिएको रहेछ। (Excluding stoppages, the speed of a bus is 54 kmph and including stoppages, it is 45 kmph. For how many minutes does the bus stop per hour?)
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6
एउटा भाँडो तरल पदार्थले भरिएको छ जसमा ३ भाग पानी र ५ भाग जुस छ भने उक्त मिश्रणमा पानी र जुसको मात्रा बराबर बनाउन कति मिश्रण झिक्नु पर्ला ? (A vessel is filled with liquid, 3 parts of which are water and 5 parts syrup. How much of the mixture must be drawn off and replaced with water so that the mixture may be half water and half syrup?)
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7
x दिन र x हप्तामा जम्मा कति दिन हुन्छन् ? How many days are there in x weeks x days?
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8
एउटा १२५ मिटर लामो रेलले ५ किलोमिटर प्रति घण्टाको गतिमा उही दिशामा दौडिरहेको मानिसलाई १० सेकेण्डमा पछि पार्छ भने उक्त रेलको गति कति होला ? A train 125 m long passes a man, running at 5 km/hr in the same direction in which the train is going, in 10 seconds. The speed of the train is:
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9
३९ मानिसले कुनै सडक १२ दिनमा दैनिक ५ घण्टका दरले मर्मत गर्न सक्छन् भने ३० मानिसले दैनिक ६ घण्टका दरले काम गर्दा उक्त काम कति दिनमा पुरा गर्लान् ? (39 persons can repair a road in 12 days, working 5 hours a day. In how many days will 30 persons, working 6 hours a day, complete the work?)
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10
तलका मध्ये कुन विकल्प गलत छ ? Which of the following statements is not correct?
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