Mathematics Question For RRB, Railway Group D,RPF, Rajasthan SI 18-08-2018

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Question(1)Examination, 38% of the test takers failed in general knowledge, 29% of the examinees failed in both mathematics and 10% of the test takers, then what percentage of the candidates would be in both subjects?

परीक्षा में 38% परीक्षार्थी सामान्य ज्ञान में फेल हुए, 29% परीक्षार्थी गणित में तथा 10% परीक्षार्थी दोनों में फेल हुए, तो दोनों विषयों में कितने प्रतिशत परीक्षार्थी पास होंगे?

(A) 45

(B) 43

(C) 50

(D) 40

Question(2) If a trader reduces the cost of its food item by 10%, then what percentage increase in the value of the food item should there be no change in its food value?

कोई व्यापारी अपनी खाद्य वस्तु की कीमत को 10% कम करता है, तो खाद्य वस्तु के मूल्य में कितने प्रतिशत वृद्धि करेगा कि उसके खाद्य मूल्य में कोई परिवर्तन न हो?

(A) 92/11

(B) 111/9

(C) 10

(D) 14

Question(3) If – means × ×, meaning of ×, + means, + means »and» means – yes, then 40 × 12 + 3- 60» 60=?

यदि – का अर्थ × हो, × का अर्थ + हो, + का अर्थ » हो तथा » का अर्थ – हो, तो 40 × 12 + 3 – 60 » 60=?

(A) 45

(B) 16

(C) 44

(D) 4

Question(4) What will be the average of the first ten even numbers?

प्रथम दस सम संख्याओं का औसत क्या होगा?

(A) 11

(B) 12

(C) 19

(D) 13

Question(5) A and B complete any work within 16 days, while A alone completes the same work in 24 days. In how many days alone will that work be completed alone?

A तथा B किसी कार्य को 16 दिनों में पूरा करते हैं, जबकि A अकेला उसी कार्य को 24 दिनों में पूरा करता है। अकेला B उस कार्य को कितने दिनों में पूरा करेगा?

(A) 26

(B) 48

(C) 28

(D) 44

All Solutions (1-5):

Que(1).Ans-(B)

Que(2).Ans-(B)

Que(3).Ans-(D)

Que(4).Ans-(A)

Que(5).Ans-(B)

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