RRB NTPC Mathematics Quiz : 4th September

Dear aspirants,

As you all know, RRB NTPC Exam will be held in the month of September-October 2019. So we are here to help you with the Mathematics subject. We are providing daily quantitative aptitude quizzes, which will help you to score good marks in this section. We aim to provide the best study material to our readers with exam level questions to help them get used to the recent pattern. Attempt this quiz and check your preparation.

Q1. For every set of 19 kites sold, a vendor gives 1 kite extra, free of cost. In order to give a discount of 10%, the number of extra kites he should give in a sale of 27 kites to the nearest integer is?
प्र्त्येक 19 पतंग के सेट के साथ एक विक्रेता 1 पतंग मुफ्त देता है. 27 पतंग के विक्रय के समय 10% की छूट देने के क्रम में उसे कितनी पतंग मुफ्त देनी चाहिए?
(a) 3
(b) 6
(c) 7
(d) 8

Q2. In a village, each of the 60% of families has a cow; each of the 30% of families has a buffalo and each of the 15% of families has both a cow and buffalo. In all there are 96 families in the village. How many families do not have a cow or a buffalo?
एक गावं में, प्रत्येक 60% परिवारों के पास गाय है; प्रत्येक 30% परिवारों के पास भैंस है और प्रत्येक 15% परिवारों के पास दोनों गाय व भैंस हैं. उस गावं में 96 परिवार हैं. कितने परिवारों के पास गाय या भैंस नहीं है?
(a) 20
(b) 24
(c) 26
(d) 28

Q3. The number of seats in a cinema hall is increased by 25%. The cost of each ticket is also increased by 10%. The effect of these changes on the revenue collection will be an increase of ?एक सिनेमा हॉल में सीटों की संख्या में 25% से वृद्धि की जाती है. प्रत्येक टिकट की लागत में भी 10% से वृद्धि की जाती है. राजस्व संग्रह में इन परिवर्तनों से कितने प्रतिशत वृद्धि होगी?
(a) 37.5%
(b) 45.5%
(c) 47.5%
(d) 49.5%

Q4. Tickets for all but 100 seats in a 10,000 seat stadium were unsold. Of the tickets sold, 20% were sold at half price and the remaining tickets were sold at the full price of Rs. 20. The total revenue from the ticket sales, in Rs. was?
एक 10,000 सीट स्टेडियम में 100 सीटें खाली थी. बेचीं गई टिकट में से 20% आधी कीमत पर बेचीं गईं और शेष को 20रु की पूरी कीमत पर बेचा गया. बेचीं गई टिकट से प्राप्त कुल राजस्व है: (रूपये में)?
(a) 158400
(b) 178200
(c) 180000
(d) 198000

Q5. If 24-carat gold is considered to be hundred percent pure gold, then the percentage of pure gold in 22-carat gold is?
यदि 24-तोले सोने को 100% शुद्ध सोना माना जाता है, तो 22-तोले सोने में सोने की मात्र कितने प्रतिशत है?
(a)  91¾ %
(b)  91⅔ %
(c)  91⅓ %
(d)  90⅔ %

Q6. Out of 2500 people, only 60% have the saving habit. If 30% save with bank, 32% with post office and the rest with shares, the number of shareholders are?
2500 व्यक्तियों में से, केवल 60% व्यक्तियों की बचत करने की आदत है. यदि 30% बैंक के साथ बचाते हैं, 32% पोस्ट ऑफिस के साथ बचत करते हैं और शेष शेयर के साथ बचत करते हैं, तो शेयर धारकों की संख्या है?
(a) 450
(b) 570
(c) 950
(d) 1250

Q7. In a factory 60% of the workers are above 30 years and of these 75% are males and the rest are females. If there are 1350 male workers above 30 years, the total number of workers in the factory is?
एक फैक्ट्री में 60% कर्मचारी 30 वर्ष से अधिक आयु के हैं और इनमें से 75% पुरुष हैं और शेष महिलायें हैं. यदि यहाँ 1350 पुरुष कर्मचारी 30 वर्ष से अधिक आयु के हैं, तो फैक्ट्री में कर्मचारियों की कुल संख्या है?
(a) 3000
(b) 2000
(c) 1800
(d) 1500

Q8. Fresh fruit contains 68% water and dry fruit contains 20% water. How much dry fruit can be obtained from 100 kgs of fresh fruits?
ताजे फलों में 68% पानी है और सूखे फलों में 20% पानी है. 100किग्रा ताजे फलों में से कितने सूखे फल निकाले जा सकते हैं?
(a) 32 kgs.
(b) 40 kgs.
(c) 52 kgs.
(d) 80 kgs.

Q9. A spider climbed 62½% of the height of the pole in one hour and in the next hour it covered 12½% of the remaining height. If pole’s height is 192 m, then distance climbed in second hour is?
एक मकड़ी एक घंटे में एक खंबे की ऊँचाई का 62½% चढ़ती है और अलगे एक घंटे में वह शेष ऊँचाई का 12½% चलती है. यदि खंबे की ऊँचाई 192मी है, तो दूसरे घंटे में तय की गई दूरी है?
(a) 3 m
(b) 5 m
(c) 7 m
(d) 9 m

Q10. A reduction of 21% in the price of an item enables a person to buy 3 kg more for Rs. 100. The reduced price of item per kg is?
एक वस्तु की कीमत में 21% की कमी से एक व्यक्ति 100रु पर 3कि.ग्रा अधिक खरीद सकता है. वस्तु की प्रति कि.ग्रा मूल्य कमी है?
(a) Rs. 5.50
(b) Rs. 7.50
(c) Rs. 10.50
(d) Rs. 7.00

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