RRB NTPC Mathematics Quiz : 1st November

Dear aspirants,
As you all know, RRB NTPC Exam will be held in the month of November-December 2019. So we are here to help you with the Mathematics subject. We are providing daily quantitative aptitude quizzes, which will help you to score good marks in this section. We aim to provide the best study material to our readers with exam level questions to help them get used to the recent pattern. Attempt this quiz and check your preparation.

Q1.For one year the population of a town increased by 5% and during the next year, the population decreased by 5%. If the total population is 9975 at the end of the second year, then what was the population size in the beginning of the first year?
एक वर्ष के लिए एक शहर की जनसंख्या में 5% की वृद्धि होती है और अगले वर्ष के दौरान, जनसंख्या में 5% की कमी होती है. यदि दुसरे वर्ष के अंत में कुल जनसंख्या 9975 है, तो पहले वर्ष की शुरुआत में जनसंख्या कितनी थी?
(a) 10000
(b) 12000
(c) 15200
(d) 13500


Q2.If A earns 33(1/3)% more than B, how much percent does B earn less than A?
यदि A, B से 33(1/3)% अधिक कमाता है, B, A से कितने प्रतिशत कम कमाता है? 
(a) 20%
(b) 12.5%
(c) 25%
(d) 37.5%


Q3.If A’s salary is 30% less than that of B, then how much percent is B’s salary more than that of A?
यदि A का वेतन B से 30% कम है, तो A के मुकाबले B का वेतन कितना प्रतिशत अधिक है?
(a) 65(6/7)%
(b) 42(6/7)%
(c) 25%
(d) 24(2/7)%


Q4.10% of 5 and 5% of 10 add up to
5 का 10% और 10 का 5% का जोड़ हैं
(a) 0.10
(b) 0.25
(c) 1.0
(d) 2.5


Q5.36% of 245 – 40% of 210 = 10 – ?
245 का 36% – 210 का 40% = 10 – 
(a) 4.2
(b) 4.9
(c) 6.8
(d) None of these/ इनमें से कोई नहीं


Q6.45% of 300 + √(?)  = 56% of 750 – 10% of 250
300 का 45% + √(?) = 750 का 56% – 250 का 10%
(a) 60
(b) 130
(c) 260
(d) 67600


Q7.15% of 578 + 22.5% of 644 = ?
578 का 15% + 644 का 22.5% = ?
(a) 231.4
(b) 231.6
(c) 231.8
(d) 233.6


Q8.140% of 56 + 56% of 140 = ?
56 का 140% + 140 का 56% = ?
(a) 78.4
(b) 87.4
(c) 156.8
(d) 158.6


Q9.15% of 45% of a number is 105.3 What is 24% of that number?
किसी संख्या के 45% का 15% 105.3 है. उस संख्या का 24% क्या होगा?
(a) 374.4
(b) 375
(c) 385.5
(d) 390


Q10.If 0.03 is X% of 0.3, then the value of x is
यदि 0.3 का X% 0.03 है, तो x का मान ज्ञात करे.
(a) 3
(b) 10
(c) 30
(d) Cannot be determined/ ज्ञात नहीं किया जा सकता

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