# Mathematics Question For RRB, Railway Group D, Rajasthan SI 18-07-2018

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Question(1) 3 cm The ratio of the radius of a circle with the radius and the area of its area will be the ratio of the numbers?

3 सेमी. त्रिज्या वाले किसी वृत्त की परिधि तथा उसके क्षेत्रफल की माप बताने वाली संख्याओं का अनुपात होगा ?

(A) 2:2

(B) 2:3

(C) 3:5

(D) 4:2

Question(2) The base of a triangle is 15 cm And the height is 12 cm Is the height of another triangle whose area is two times the area of this triangle and base 20 cm Is the following?

किसी त्रिभुज का आधार 15 सेमी. है और ऊँचाई 12 सेमी. है एक अन्य त्रिभुज की ऊँचाई जिसका क्षेत्रफल इस त्रिभुज के क्षेत्रफल का दो गुना है और आधार 20 सेमी. है निम्न है ?

(A) 18 सेमी

(B)12 सेमी

(C) 15 सेमी

(D) 38 सेमी

Question(3) In a regular polygon whose ratio of internal and left angle is 2: 1, then the total side will be?

किसी समबहुभुज में जिसके आन्तरिक और बाहा कोणों का अनुपात 2:1 हो , तो कुल भुजाऍं होगी ?

(A) 3

(B) 5

(C) 6

(D) 4

Question(4) If the length and width of any rectangle are increased by 50% each, then what percentage of its growth will it be in the area?

यदि किसी आयत की लम्बाई तथा चौड़ाई में से प्रत्येक में 50% की वृध्दि की जाए, तो इसके क्षेत्रफल में कितने प्रतिशत की वृध्दि होगी ?

(A) 133%

(B) 135%

(C) 166%

(D) 125 %

Question(5)If the area of an intersection of a square is 9½ cm ^ 2, what is the area of the square?

एक वर्ग के अन्तः वृत्त का क्षेत्रफल 9 पाई सेमी^2 है वर्ग का क्षेत्रफल होगा ?

(A)66 सेमी^2

(B) 25 सेमी^2

(C) 36 सेमी^2

(D) 45 सेमी^2

All Solutions (1-5):

Que(1).Ans-(B)

Que(2).Ans-(A)

Que(3).Ans-(C)

Que(4).Ans-(D)

Que(5).Ans-(C)

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