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RRB NTPC Mathematics Quiz : 18th 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. The difference between 90% of a number and 83% of the same number is 175. What is 99% of that number?
एक संख्या का 90% और समान संख्या का 83% के बीच का अंतर 175 है. उस संख्या का 99% क्या है? 
(a) 2420
(b) 2475
(c) 2500
(d) 1750
Q2. Two cones have their heights in the ratio 1:3 and the radii of their bases in the ratio 3:1. Find the ratio of their volumes?
दो शंकुओं की ऊंचाई का अनुपात 1:3 है और उनके आधार की त्रिज्या का अनुपात 3:1 है. उनके आयतन का अनुपात ज्ञात कीजिए? 
(a) 3:1
(b) 2:1
(c) 4:1
(d) 5:1
Q3. Ram, Karan and Rohan invested capital in the ratio of 2:3:4 for the time period of 6:4:3. Find the ratio of profit distributed?
राम, कारण और रोहन की 6:4:3 की अवधि के लिए निवेश की गयी पूंजी का अनुपात 2:3:4 है.  वितरित लाभ का अनुपात ज्ञात कीजिए? 
(a) 12:13:14
(b) 13:12:14
(c) 13:14:12
(d) None of these
Q4. A sum of money becomes triple itself in 16 years. In how many years will it become 5 times at the same rate?
कुछ धनराशि अपने आप 16 वर्षों में तीन गुना हो जाती है. समान दर पर वह धनराशि कितने वर्षों में 5 गुना हो जाएगी? 
(a) 32
(b) 15
(c) 27
(d) 30
Q5. The compound interest on Rs.30,000 at 7% per annum is Rs. 4347. The period (in years) is:
7% प्रति वार्षिक पर 30,000 रु पर चक्रवृद्धि ब्याज 4347 रु है. अवधि है (वर्षों में)?:
(a) 2
(b) 2½
(c) 3
(d) 4
Q6. Thirty-five percent of 740 is 34 more than a number. What is two-fifths of the number?
740 का 35% एक संख्या से 34 अधिक है. संख्या का 2/5 है? 
(d) 120
Q7. If 2x + 3y = 87 and 3x – 3y = 48, what is the value of x?
यदि 2x + 3y = 87 और 3x – 3y = 48 है तो x का मान क्या है?
(d) None of these
Q8. The no of revolutions a wheel of diameter 40cm makes in travelling a distance of 176m is
एक 40 सेमी व्यास वाले एक पहिये के चक्रों की संख्या क्या है जो 176 मी की दूरी तय करता है? 
(a) 240
(b) 140
(c) 40
(d) 340
Q9. The curved surface area of a cylindrical pillar is 264 square meter and its volume is 924 cubic meters. Find the ratio of its diameter to its height
एक बेलनाकार स्तम्ब का वक्रीय पृष्ठीय क्षेत्रफल 264 वर्ग मीटर है और उसका आयतन 924 घन मीटर है. उसके व्यास से उसकी ऊंचाई का अनुपात ज्ञात कीजिए? 
(a) 3 : 7
(b) 7 : 3
(c) 6 : 7
(d) 7 : 6
Q10. If the volume of the cube is 729 cm³, then the surface area of the cube will be
यदि घन का आयतन 729सेमी3 है तो घन का पृष्ठीय क्षेत्रफल होगा:
(a) 486 cm²
(b) 456 cm²
(c) 446 cm²
(d) 476 cm²

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