Mathematics Question For RRB, Railway Group D, Rajasthan SI 16-07-2018

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Question(1) If the sides of a triangle are 5 meters, 12 meters, and 13 meters, what will be the area of the triangle?

 किसी त्रिभुज की भुजाएँ 5 मीटर , 12 मीटर तथा 13 मीटर है तो त्रिभुज का क्षेत्रफल क्या होगा ?

(A) 50 वर्ग मीटर

(B) 30 वर्ग मीटर

(C) 34 वर्ग मीटर

(D) 66 वर्ग मीटर

Question(2) The dome is to be laid on the floor of the 12 meters * 8-meter measurement. The width of the valley is 3 meters, then what should be the length?

12 मीटर * 8 मीटर माप के फर्श पर दरी बिछायी जानी है | दरी की चौड़ाई 3 मीटर है तो लम्बाई क्या होनी चाहिए ?

(A) 55 मीटर

(B)34 मीटर

(C) 32 मीटर

(D) 23 मीटर

Question(3) What will be the ratio of the area of the square created on a square and its diagonal?

 एक वर्ग तथा इसके विकर्ण पर बनाये गये वर्ग के क्षेत्रफलों का अनुपात क्या होगा ?

(A) 1:2

(B) 3:7

(C)2:5

(D) 2:4

Question(4) What will be the ratio of areas of first and second class when the length of diagonals of a square is 3/2 times?

 एक वर्ग के विकर्ण की लम्बाई 3/2 गुना कर देने पर पहले तथा दूसरे वर्ग के क्षेत्रफलों का अनुपात क्या होगा ?

(A) 1:2

(B) 4:2

(C) 4:4

(D) 4:9

Question(5) The ratio of arms to a triangle is 1/2: 1/3: 1/4 and perimeter 52 cm What is the length of the smallest arm of this triangle?

 एक त्रिभुज की भुजाओं का अनुपात 1/2:1/3:1/4 तथा परिमिति 52 सेमी. है इस त्रिभुज की सबसे छोटी भुजा की लम्बाई क्या होगी ?

(A)14 सेमी

(B) 12 सेमी

(C)43 सेमी

(D) 11सेमी

All Solutions (1-5):

Que(1).Ans-(B)

Que(2).Ans-(C)

Que(3).Ans-(A)

Que(4).Ans-(D)

Que(5).Ans-(B)

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