Important Triangle Questions For RRB JE : 9th February 2019

Dear aspirants,

As you all know, the upcoming months are lined up with various important exams like SSC Stenographer, RRB JE , SSC CGL , SSC JE and many more, so we are here to help you with the subject that is common to all of the given exams. We are providing daily quantitative aptitude quizzes, practice 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. ABC is an isosceles triangle with AB = AC, A circle through B touching AC at the middle point of Q, intersects AB at P. Then AP : AB is:
ABC, AB = AC वाला एक समद्विभुज त्रिभुज है, B के माध्यम से एक वृत AC को Q के मध्य बिंदु पर स्पर्श करता है, AB को P पर प्रतिच्छेद करता है. तो AP:AB है:
(a) 4 : 1
(b) 2 : 3
(c) 3 : 5
(d) 1 : 4

Q2. ∆ABC is an isosceles triangle and ¯AB=¯AC = 2a unit, ¯BC = a unit. Draw ¯AD⊥¯BC, and find the length of ¯AD.
ΔABC एक समद्विभुज त्रिभुज और ¯AB=¯AC = 2a इकाई, ¯BC = a इकाई है. ¯AD⊥¯BC बनाइये, और ¯AD की लंबाई ज्ञात कीजिये.
(a) √15 a unit / इकाई
(b) √15/2 a unit/ इकाई
(c) √17 a unit/ इकाई
(d) √17/2 a unit/ इकाई

Q3. ABC is an isosceles triangle with AB = AC. The side BA is produced to D such that AB = AD. If ∠ABC = 30°, then ∠BCD is equal to
ABC, AB = AC के साथ एक समद्विभुज त्रिभुज है. भुजा BA को D तक इस प्रकार बढाया जाता है कि AB = AD होता हिया. यदि ∠BCD = 30 डिग्री है, तो ∠BCD किसके बराबर है
(a) 45°
(b) 90°
(c) 30°
(d) 60°

Q4. ABC is a triangle. The bisectors of the internal angle ∠B and external angle ∠C intersect at D. If ∠BDC = 50°, then ∠A is
ABC एक त्रिभुज है. आंतरिक कोण ∠B और बाहरी कोण ∠C के द्विभाजक D पर प्रतिच्छेद अंतर करते हैं. यदि ∠BCD = 50 डिग्री है, तो ∠A कितना है
(a) 100°
(b) 90°
(c) 120°
(d) 60°

Q5. In a triangle ABC, the side BC is extended up to D such that CD = AC. If ∠BAD = 109° and ∠ACB = 72° then the value of ∠ABC is
एक त्रिभुज ABC में, भुजा BC को D तक इस प्रकार बढ़ाया जाता है कि CD=AC हो जाता है. यदि ∠BAD = 109 डिग्री और ∠ACB = 72 डिग्री है ,तो ∠ ABC का मान कितना है
(a) 35°
(b) 60°
(c) 40°
(d) 45°

Q6. In ∆ABC, P and Q are the middle points of the sides AB and AC respectively. R is a point on the segment PQ such that PR : RQ = 1 : 2. If PR = 2 cm, then BC =
∆ABC में, P और Q क्रमशः भुजा AB और AC पर मध्य बिंदु हैं। R, रेखाखंड PQ पर एक बिंदु इस प्रकार है कि PR : RQ = 1 : 2 है। यदि PR = 2 सेमी है, तो BC =
(a) 4 cm
(b) 2 cm
(c) 12 cm
(d) 6 cm

Q7. In a right-angle ∆ABC, ∠ABC = 90°, AB = 5 cm and BC = 12 cm. The radius of the circumcircle of the triangle ABC is
समकोण ΔABC में, ∠ABC = 90 डिग्री, AB = 5 सेमी और BC = 12 सेमी है. त्रिभुज ABC के परिवृत्त की त्रिज्या कितनी है
(a) 7.5 cm/सेमी
(b) 6 cm/सेमी
(c) 6.5 cm/सेमी
(d) 7 cm/सेमी

Q8. D and E are two points on the sides AC and BC respectively of ∆ABC such that DE = 18 cm, CE = 5 cm and ∠DEC = 90°. If tan ∠ABC = 3.6, then AC : CD =
D और E ∆ABC की कर्मशल भुजा AC और BC पर दो बिंदु इस प्रकार हैं DE = 18 सेमी, CE = 5 सेमी और ∠DEC = 90 डिग्री है. यदि tan ∠ABC = 3.6 है, तो AC: CD =
(a) BC : 2 CE
(b) 2CE : BC
(c) 2BC : CE
(d) CE : 2BC

Q9. BL and CM are medians of ∆ABC right-angled at A and BC = 5 cm. If BL = (3√5)/2 cm, then the length of CM is
BL और CM, A पर समकोण ∆ABC की मध्यिका है और BC = 5 सेमी हैं. यदि BL = (3√5) / 2 सेमी है, तो CM की लंबाई कितनी है
(a) 2√5 cm/सेमी
(b) 5√2 cm/सेमी
(c) 10√2 cm/सेमी
(d) 4√5 cm/सेमी

Q10. If the circumradius of an equilateral triangle ABC be 8 cm, then the height of the triangle is
यदि एक समभुज त्रिकोण ABC की परित्रिज्या 8 सेमी है, तो त्रिभुज की ऊंचाई कितनी है
(a) 16 cm/सेमी
(b) 6 cm/सेमी
(c) 8 cm/सेमी
(d) 12 cm/सेमी

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