# Mathematics Question For RRB, Railway Group D,RPF, Rajasthan SI 14-08-2018

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Question(1) There are 40 students in one class One day 7/10 students were present. What is the number of absent students on that day?

एक कक्षा में 40 विद्यार्थी हैं। एक दिन 7/10 विद्यार्थी उपस्थित थे। उस दिन अनुपस्थित विद्यार्थियों की संख्या क्या है?

(A) 25

(B) 21

(C) 15

(D) 12

Question(2) There are 50 boys in a class. Their average weight is 45 kg. If the boy leaves the class, then the average is less than 100 grams. Is the weight of boys leaving the class?

एक कक्षा में 50 लड़के हैं। उनका औसत वजन 45 किग्रा है। यदि लड़का कक्षा छोड़ता है, तो औसत 100 ग्राम से कम हो जाता है। कक्षा छोड़ने वाले लड़कों का वजन है?

(A) 49.9 किग्रा

(B) 45.5 किग्रा

(C) 40.5 किग्रा

(D)55 किग्रा

Question(3) Money is doubled in 10 years. How much money will it be three times in the same rate?

कोई धन 10 वर्ष में दोगुना हो जाता है। उसी दर से वह धन कितने वर्ष में तीन गुना हो जाएगा?

(A) 21

(B) 20

(C) 32

(D) 16

Question(4) How many bricks of 20cm × 10cm can be made of 25m × 16m floor?

20 सेमी ×10 सेमी की कितनी ईंटों से 25 मी ×16 मी का फर्श फर्श बनाया जा सकता है?

(A) 30000

(B) 25000

(C) 20000

(D) 40000

Question(5) A merchant gives a discount of 14% on the face value of an item. If the sale price of the item is Rs. 645, then the face value of the object will be?

एक व्यापारी एक वस्तु के अंकित मूल्य पर 14% की छूट देता है। यदि वस्तु का विक्रय मूल्य रु. 645 हो, तो वस्तु का अंकित मूल्य होगा?

(A) रु. 800

(B) रु. 750

(C) रु. 810

(D) रु. 775

All Solutions (1-5):

Que(1).Ans-(D)

Que(2).Ans-(A)

Que(3).Ans-(B)

Que(4).Ans-(C)

Que(5).Ans-(B)

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