Mathematics Question For RRB, Railway Group D, Rajasthan SI 08-08-2018
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Question(1)The smallest number in which 27, 42, 63 and 84 divided into 21 left in every condition?
वह छोटी-से छोटी संख्या ज्ञात करें जिसमें 27, 42, 63 और 84 से भाग देने पर प्रत्येक दशा में 21 शेष बचे?
(A) 762
(B) 741
(C) 777
(D) 712
Question(2) How many numbers are up to 200 which are divisible by both 2 and 3?
200 तक कितनी संख्याएँ ऐसी हैं, जो 2 और 3 दोनों से विभाज्य हैं?
(A) 31
(B) 23
(C) 21
(D) 33
Question(3) There are 850 students in a school. Of these, 44% are Muslims, 28% are Hindus, 10% are Sikhs, and the rest of the other communities, how many students are there in the number of other communities?
एक विद्यालय में 850 छात्र हैं। इनमें 44% मुस्लिम, 28% हिन्दू, 10% सिख और शेष अन्य समुदायों के हैं, तो अन्य समुदायों की संख्या में कितने छात्र हैं?
(A) 171
(B) 153
(C) 113
(D) 133
Question(4) A table whose value is about Rs. 750 was sold at 4% loss. What was his sales price?
एक मेज जिसकी कीमत रु. 750 थी 4% हानि पर बेची गई। उसका विक्रय मूल्य क्या था?
(A) रु. 726
(B) रु. 720
(C) रु. 781
(D) रु. 720
Question(5) The average age of 15 boys in a class is 11 years. If the 5-year-old 5 boys are in the class, then their average age will now be?
एक कक्षा में 15 लड़कों की औसत आयु 11 वर्ष है। यदि 9 वर्ष के 5 लड़के कक्षा में और सम्मिलित हो जाएँ, तो अब उनकी औसत आयु होगी?
(A) 20 वर्ष
(B) 10 वर्ष
(C) 10.5 वर्ष
(D) 10.33 वर्ष
All Solutions (1-5):
Que(1).Ans-(C)
Que(2).Ans-(D)
Que(3).Ans-(B)
Que(4).Ans-(D)
Que(5).Ans-(C)
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