RRB NTPC Mathematics Quiz : 11th September_00.1
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RRB NTPC Mathematics Quiz : 11th 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. If a hemisphere is melted and four spheres of equal volume are made, the radius of each sphere will be equal to    
यदि एक अर्धगोले को पिघलाकर चार समान आयतन वाले गोले बनाये जाते हैं, तो प्रत्येक गोले की त्रिज्या होगी:
(a) 1/4th of the hemisphere
(b) radius of the hemisphere
(c) 1/2 of the radius of the hemisphere
(d) 1/6th of the radius of the hemisphere
RRB NTPC Mathematics Quiz : 11th September_50.1
Q2. A boat takes half time in moving a certain distance downstream than upstream. The ratio of the speed of the boat in still water that of the current is  
एक नाव को धारा के अनुकूल निश्चित दूरी तय करने में धारा के प्रतिकूल समान दूरी तय करने में लिए गए समय का आधा समय लगता है. स्थिर गति में नाव की गति का धारा की गति से कितना अनुपात है?
(a) 2 : 1
(b) 4 : 3
(c) 1 : 2
(d) 3 : 1
RRB NTPC Mathematics Quiz : 11th September_60.1
Q3. The compound interest on Rs. 5,000 for 3 years at 10% p.a. will amount to:
3 वर्ष के लिए 5,000रु की राशि पर 10% प्रति वर्ष पर चक्रवृधि ब्याज होगा:   
(a) Rs. 1,654
(b) Rs. 1,655
(c) Rs. 1,600
(d) Rs. 1,565
RRB NTPC Mathematics Quiz : 11th September_70.1
Q4.Triangle ABC is an isosceles triangle and AB=AC=2a units, BC = a unit.Draw AD perpendicular to BC and find the length of the AD.
∆ABC एक समद्विबाहु त्रिकोण है और (AB)=(AC)=2a इकाई, (BC)=a इकाई. (AD)⊥ (BC) बनाइए, और (AD) की लम्बाई ज्ञात कीजिये. 
(a)  √15  a unit
(b)  √15/2 a unit
(c)  √17  a unit
(d)  √17/a  unit
RRB NTPC Mathematics Quiz : 11th September_80.1
Q5.   BL and CM are median of triangle ABC , right angled at A and BC = 5 cm , if BL = (3√5)/2  cm , then the length of CM is
BL और CM, ∆ABC की माध्यिका हैं, जो A पर समकोणीय है और BC = 5 से.मी. यदि BL =(3√5)/2 से.मी, तो CM की लम्बाई है:  
(a) 2√5 cm
(b) 5√2 cm
(c) 10√2 cm
(d) 2√10 cm
RRB NTPC Mathematics Quiz : 11th September_90.1
RRB NTPC Mathematics Quiz : 11th September_100.1
Q6. In a circle of radius 17 cm, two parallel chords of length 30 cm and 16 cm are drawn. If both chords are on the same side of the centre. Then the distance between the chords is 
17से.मी वाले एक वृत में, 30से.मी और 16से.मी की दो ज्याएं बनाई गईं. यदि दोनों ज्याएं केंद्र के समान ओर हैं, तो ज्याओं के मध्य की दूरी है 
(a) 9 cm
(b) 7 cm
(c) 23 cm
(d) 11 cm
RRB NTPC Mathematics Quiz : 11th September_110.1
Q7. If x sin 45 = y cosec 30, then x⁴/y⁴ is equal to: 
यदि x sin 45° = y cosec 30°, तो x⁴/y⁴  बराबर है:  
(a) 4³
(b) 6³
(c)  2³
(d)  8³
 RRB NTPC Mathematics Quiz : 11th September_120.1
Q8.    If (sec² 70-cot² 20)/(2 cosecc²  59 – tan² 31) =2/m, then m is equal to
यदि (sec² 70-cot² 20)/(2 cosecc²  59 – tan² 31) =2/m, तो m बराबर है:
(a) 2
(b) 3
(c) 4
(d) 1
RRB NTPC Mathematics Quiz : 11th September_130.1
Q9. Three years ago, the average age of a family of 5 members was 17 years. A baby having been born, the average of the family remains the same today. The age of the baby today is
तीन वर्ष पूर्व 5 सदस्यों वाले एक परिवार की औसत आयु 17 वर्ष थी. एक शिशु पैदा होने के बाद परिवार की औसत आज भी समान रहती है. शिशु की आयु कितनी है? 
(a) 2.5 years
(b) 2 years
(c) 1 year
(d) 1.5 years
RRB NTPC Mathematics Quiz : 11th September_140.1
Q10.   In the given figure, BC = AC=AD, angle EAD = 81, Find the value of x?
दिए गए चित्र में, BC = AC = AD, ∠EAD = 81°, x का मूल्य ज्ञात कीजिये: 

RRB NTPC Mathematics Quiz : 11th September_150.1

(a) 45°
(b) 54°
(c) 63°
(d) 36°
RRB NTPC Mathematics Quiz : 11th September_160.1

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