# Mathematics Question For RRB, Railway Group D, Rajasthan SI 10-08-2018

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Question(1) How much money will be doubled by 20% of the annual interest rate?

कोई धन 20% वार्षिक ब्याज की दर से कितने समय में दोगुना हो जाएगा?

(A) 5 वर्ष

(B) 6 वर्ष

(C) 10 वर्ष

(D) 80 वर्ष

Question(2) What will be the average of the first eight natural numbers?

प्रथम आठ प्राकृतिक संख्याओं का औसत क्या होगा?

(A) 3½

(B) 4½

(C) 5½

(D) 6½

Question(3) Ram is at number 14 in his queue and is down from 18 to the number, how many students are there in the queue?

राम अपनी कतार में ऊपर से 14वें स्थान पर है तथा नीचे से 18वें स्थान पर है, तो कतार में कुल कितने छात्र हैं?

(A) 31

(B) 30

(C) 32

(D) 29

Question(4) A chair is worth Rs. If there is a profit of 20% on selling in 720 then what will be the purchase price of the chair?

एक कुर्सी को रु. 720 में बेचने पर 20% का लाभ होता है, तो कुर्सी का क्रय मूल्य क्या होगा?

(A) रु. 660

(B) रु. 580

(C) रु. 600

(D) रु. 560

Question(5) If an item has a cumulative discount of 20% and 30%, then what will be its equivalent discount?

किसी वस्तु पर क्रमागत बट्टा 20% तथा 30% हो, तो उसका समतुल्य बट्टा क्या होगा?

(A) 40%

(B) 56%

(C) 62%

(D) 44%

All Solutions (1-5):

Que(1).Ans-(A)

Que(2).Ans-(B)

Que(3).Ans-(A)

Que(4).Ans-(C)

Que(5).Ans-(D)

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