Mathematics Question For RRB, Railway Group D, Rajasthan SI 03-08-2018

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Question(1) 30% of the 450 apples are rotting. How many apples are fine?

 450 सेबों में से 30% सड़ें हुए हैं। कितने सेब ठीक हैं?

(A) 135

(B) 146

(C) 124

(D) 196

Question(2) A star is approximately 8.1 × 1013 km away from Earth. Let’s say light runs at a speed of 3.0 × 105 km/second. Find out how much time does the light take to reach the Earth?

 एक तारा पृथ्वी से लगभग 8.1×1013 किमी दूर है। मान लीजिए कि प्रकाश 3.0×105 किमी/सेकण्ड की गति से चलता है। ज्ञात कीजिए कि तारे से प्रकाश को पृथ्वी तक पहुँचने में कितना समय लगता है?

(A) 3.7×112

(B) 5.7×105

(C) 2.7×108

(D) 9.5×103

Question(3) One item Rs. By selling in 220, Nita gained 10% profit. According to how much did she sell it for 30%?

 एक वस्तु रु. 220 में बेचकर, नीता ने 10% लाभ प्राप्त किया। तद्नुसार वह उसे कितने में बेचे कि लाभ 30% हो जाए?

(A) रु. 225

(B) रु. 235

(C) रु. 252

(D) रु. 260

Question(4) 100 × 10 – 100 + 2000 »100 What would be equal to?

100 × 10 – 100 + 2000 » 100 किसके बराबर होगा?

(A) 525

(B) 456

(C) 920

(D) 999

Question(5) One person gave 1/4 of his property to his daughter, gave ½ to his sons and donated 1/5. Accordingly, how much did he give the total?

एक व्यक्ति ने अपनी सम्पत्ति का 1/4 भाग अपनी पुत्री को दिया, ½ अपने पुत्रों को दिया और 1/5 दान कर दिया। तद्नुसार, उसने कुल कितना भाग दे दिया?

(A) 1/23

(B) 19/20

(C) 12/11

(D) 9/15

All Solutions (1-5):

Que(1).Ans-(A)

Que(2).Ans-(C)

Que(3).Ans-(D)

Que(4).Ans-(C)

Que(5).Ans-(B)

 

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