RRB JE Mensuration Questions: 20th Feb

Dear aspirants,

As you all know, RRB JE Exam will be held in the month of april/may 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 area of a rectangular football field is 24200 sq. m. It is half as broad as it is long. What is the approx. minimum distance a man will cover if he wishes to go from one corner to the opposite one?
एक आयताकार फुटबॉल मैदान का क्षेत्रफल 24200 वर्ग मीटर है। इसकी चौड़ाई इसकी लंबाई का आधा है। यदि वह एक कोने से विपरीत कोने में जाना चाहता है, तो एक व्यक्ति लगभग कितनी न्यूनतम दूरी तय करेगा?
(a) 283 m
(b) 246 m
(c) 576 m
(d) 289 m

 

Q2. A ladder is resting with one end in contact with the top of a wall of height 60 m and the other end on the ground is at a distance of 11 m from the wall. The length of the ladder is :
एक सीढ़ी का एक सिरा 60 मीटर ऊँची दीवार के शीर्ष के सहारे टिका हुआ है और दूसरा जमीन पर दीवार से 11 मीटर की दूरी पर है। सीढ़ी की लम्बाई कितनी है?
(a) 61 m
(b) 71 m
(c) 87 m
(d) None of these

Q3. The area of a minor sector subtending the central angle at the centre 40° is 8.25 cm². What is the area of the remaining part (i.e., major sector) of the circle?
केंद्र पर 40° केन्द्रीय कोण बनाने वाले लघु त्रिज्यखंड का क्षेत्रफल 8.25 वर्ग सेमी है। वृत्त के शेष भाग (अर्थात दीर्घ त्रिज्यखंड) का क्षेत्रफल कितना है?
(a) 82.5 cm²
(b) 74.25 cm²
(c) 66 cm²
(d) None of these

Q4. If a piece of wire 25 cm long is bent into an arc of a circle subtending an angle of 75° at the centre, then the radius of the circle (in cm) is:
यदि 25 सेमी लंबे एक तार के टुकड़े को केंद्र पर 75° का एक कोण बनाने वाले एक वृत्त के चाप के आकार में मोड़ा गया, तो उस वृत्त की त्रिज्या (सेमी में) है:
(a) π/120
(b) 60/π
(c) 60 π
(d) None of these

Q5.If the circumference of a circle is 4.4 m, then the area of the circle (in m^2) is :
यदि एक वृत्त की परिधि 4.4 मी है, तो वृत्त का क्षेत्रफल (वर्ग मीटर में) है:
(a) 49/π
(b) 49π
(c) 4.9π
(d) None of these

Q6.A circular wire of radius 4.2 m is cut and bent in the form of a rectangle whose longer side is 20% more than its shorter side. The longer side of the rectangle is :
4.2 मीटर त्रिज्या वाले एक वृत्ताकार तार को काटा गया और एक आयत के आकार में मोड़ा गया, जिसकी लंबी भुजा इसकी छोटी भुजा से 20% अधिक है। उस समकोण की लंबी भुजा है:
(a) 7.2 m
(b) 72 cm
(c) 8 m
(d) None of these

Q7. The difference between the circumference and the diameter of the circle is 15 m. What is the area of the circle?
एक वृत्त की परिधि और व्यास के बीच अंतर 15 मीटर है। उस वृत्त का क्षेत्रफल ज्ञात कीजिए?
(a) 225 m²
(b) 165 m²
(c) 156 m²
(d) None of these

Q8. If the driving wheel of a bicycle makes 560 revolutions in travelling 1.1 km. Find the diameter of the wheel:
यदि साइकिल का ड्राइविंग पहिया 1.1 किलोमीटर की यात्रा में 560 चक्कर घूमता है। उस पहिये का व्यास ज्ञात कीजिए:
(a) 31.5 cm
(b) 30.5 cm
(c) 62.5 cm
(d) None of these

Q9. A 5m wide lawn is cultivated all along the outside of a rectangular plot measuring 90m × 40m. The total area of the lawn is :
90मीटर×40मीटर माप वाले आयताकार प्लाट के साथ-साथ उसके बाहर एक 5 मीटर चौड़ा लॉन बनाया जाता है। उस लॉन का कुल क्षेत्रफल है:
(a) 1441 m²
(b) 1400 m²
(c) 2600 m²
(d) 420 m²

Q10. Find the length of the wire required to fence a square field 6 times having its area 5 hectares:
5 हेक्टेयर क्षेत्रफल वाले एक वर्गाकार मैदान में 6 बार बाड़ लगाने के लिए आवश्यक तार की लंबाई ज्ञात कीजिए:
(a)2400√3m
(b) 1600 m
(c) 2400√5 m
(d) 2400 m

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