RRB NTPC Mathematics Questions: 1st July_00.1
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RRB NTPC Mathematics Questions: 1st July

Dear aspirants,

As you all know, RRB NTPC Exam will be held in the month of July-September 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. If tanA – cotA = x, then value of x is?
यदि tanA – cotA = x है, तो x का मान है?
(a) (1 + 2cos2A)/(sinA cosA)
(b) (sinA cosA)/(1 – 2cos2A)
(c) (sinA cosA)/(1 + 2cos2A)
(d) (1 – 2cos2A)/(sinA cosA)

RRB NTPC Mathematics Questions: 1st July_50.1

Q2. What is the equation of the line passing through the point (-1,3) and having x-intercept of 4 units?
बिंदु (-1,3) और x अक्ष पर 4 इकाई कटान बिंदु से होकर से गुजरने वाली रेखा का समीकरण क्या है?
(a) 3x – 5y = 12
(b) 3x + 5y = 12
(c) 3x + 5y = -12
(d) 3x – 5y = -12

RRB NTPC Mathematics Questions: 1st July_60.1

Q3. 25% discount is offered on an item. By applying a promo code the customer wins 8% cash back. What is the effective discount?
किसी वस्तु पर 25% छूट दी जाती है। प्रोमो कोड लागू करने से ग्राहक 8% नकद जीत जाता है। प्रभावी छूट कितनी है?
(a) 35.75 percent/प्रतिशत
(b) 35 percent/प्रतिशत
(c) 31 percent/प्रतिशत
(d) 12.5 percent/प्रतिशत

RRB NTPC Mathematics Questions: 1st July_70.1

Q4. Prabhat has done 1/2 of a job in 12 days. Santosh completes the rest of the job in 6 days. In how many days can they together do the job?
प्रभात अपने कार्य का ½ भाग, 12 दिन में करता है।शेष कार्य संतोष 6 दिन में करता है। वे एक साथ कितने दिन कार्य करते हैं?
(a) 12 days/दिन
(b) 4 days/दिन
(c) 8 days/दिन
(d) 16 days/दिन

RRB NTPC Mathematics Questions: 1st July_80.1

Q5. x and y are two numbers such that their mean proportion is 16 and third proportion is 128. What is the value of x and y?
X और Y दो संख्याएं इस प्रकार हैं कि उनका मध्य समानुपात 16 है और तीसरा समानुपात 128 है। x और y का मान कितना है?
(a) 8 and 16/ 8 और 16
(b) 16 and 32/ 16 और 32
(c) 8 and 32/ 8 और 32
(d) 16 and 16/ 16 और 16

RRB NTPC Mathematics Questions: 1st July_90.1

Q6. In the first 32 overs of a cricket match, the run rate was 7.2 runs/over. What is the required run rate in the remaining 18 overs to reach the target of 297 runs?
एक क्रिकेट मैच के पहले 32 ओवर में रन रेट 7.2 रन / ओवर था। शेष 18 ओवर में 297 रन के लक्ष्य तक पहुंचने के लिए आवश्यक रन रेट कितना है?
(a) 4.3
(b) 4.9
(c) 3.1
(d) 3.7

RRB NTPC Mathematics Questions: 1st July_100.1

Q7. Chord AB of a circle when extended meets the tangent to the circle at point P. PT is the tangent touching the circle at point T. If lengths of PT and PB are 6 cm and 4 cm respectively, what is the length of PA?
एक वृत्त की जीवा AB जब विस्तारित की जाती है, तो वृत्त की स्पर्श रेखा बिंदु P पर मिलती है। PT एक स्पर्शरेखा है, जो वृत्त को बिंदु T पर स्पर्श करती है। यदि PT और PB की लंबाई क्रमश: 6 सेमी और 4 सेमी है, तो PA की लंबाई कितनी है?
(a) 12 cm/सेमी
(b) 18 cm/सेमी
(c) 27 cm/सेमी
(d) 9 cm/सेमी

RRB NTPC Mathematics Questions: 1st July_110.1

Q8.A student multiplied a number by 4/5 instead of 5/4. What is the percentage error in the calculation?
एक विद्यार्थी, एक संख्या को 5/4 के बजाय 4/5 से गुणा कर देता है। गणना में त्रुटि प्रतिशत कितना है?
(a) 56.25 percent/प्रतिशत
(b) 18 percent/प्रतिशत
(c) 28.13 percent/प्रतिशत
(d) 36 percent/प्रतिशत

RRB NTPC Mathematics Questions: 1st July_120.1

Q9. Ruchir walks at 20 km/hr and Rukma cycles at 25 km/hr towards each other. What was the distance between them when they started if they meet after 48 minutes?
रुचिर 20 किमी/घंटे की दर से चलता है और रुकमा की साइकिल एक दूसरे की ओर 25 किमी/ घंटे की दर से चलती है। यदि वे दोनों 48 मिनट बाद मिलते हैं तो शुरू करते समय उनके बीच की दूरी कितनी है?
(a) 54 km/किमी
(b) 45 km/किमी
(c) 36 km/किमी
(d) 27 km/किमी

RRB NTPC Mathematics Questions: 1st July_130.1

Q10. A vendor buys chikoos at 15 for Rs 8 and then sells at 10 for Rs 6. What will be the result?
एक विक्रेता 8 रुपये में 15 चीकू की दर से खरीदता है और इन्हें 6 रुपये में 10 की दर से बेचता है। इसका परिणाम क्या होगा?
(a) 12.5 percent loss/हानि प्रतिशत
(b) 11.11 percent gain/लाभ प्रतिशत
(c) 12.5 percent gain/लाभ प्रतिशत
(d) 11.1 percent loss/हानि प्रतिशत

RRB NTPC Mathematics Questions: 1st July_140.1

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