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Home Quantitative Aptitude RRB NTPC Mathematics Questions: 19th June

RRB NTPC Mathematics Questions: 19th June

Dear aspirants,

As you all know, RRB NTPC Exam will be held in the month of June-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.

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Q3. When the price of a radio was reduced by 20%, its sale increased by 80%. What was the net effect on the sale?
जब एक रेडियो की कीमत में 20% की कमी आती है, तो इसकी बिक्री में 80% की वृद्धि हुई थी। बिक्री पर शुद्ध प्रभाव क्या था?
(a) 44% increase /44% वृद्धि
(b) 44% decrease/44% कमी
(c) 66% increase /66% वृद्धि
(d) 75% increase/75% वृद्धि

Q4. How much water must be added to 48 ml of alcohol to make a solution that contains 25% alcohol ?
48 मिली अल्कोहल में कितना पानी मिलाया जाना चाहिए ताकि 25% अल्कोहल युक्त एक घोल बन जाएँ?
(a) 24 ml
(b) 72 ml
(c) 144 ml
(d) 196 ml

Q5. Ravi’s salary is 150% of Amit’s salary. Amit’s salary is 80% of Ram’s salary. What is the ratio of Ram’s salary to Ravi’s salary ?
रवि का वेतन अमित के वेतन का 150% है. अमित का वेतन राम के वेतन का 80% है. राम के वेतन से रवि के वेतन का अनुपात क्या है?
(a) 1 to 2
(b) 2 to 3
(c) 5 to 6
(d) 6 to 5

Q6. A sum of money invested at compound interest amounts in 3 years to Rs. 2,400 and in 4 years to Rs. 2,520. The interest rate per annum is :
चक्रवृद्धि ब्याज पर निवेश की गयी कुछ राशि 3 वर्षों में रु 2,400 और 4 साल में रु 2,520 हो जाती है. प्रति वर्ष ब्याज दर क्या है?
(a) 6%
(b) 5%
(c) 10%
(d) 12%

Q7 By selling a table for Rs 330, a trader gains 10%. Find the cost price of the table.
330 रुपये में एक टेबल बेचकर, एक व्यापारी को 10% लाभ होता है। टेबल का क्रय मूल्य ज्ञात कीजिए।
(a) 300
(b) 363
(c) 297
(d) 270

Q8. At what percentage above the cost price must an article be marked so as to gain 33% after allowing the customer a discount of 5% ?
क्रय मूल्य से कितने प्रतिशत अधिक पर एक वस्तु चिह्नित की जानी चाहिए ताकि ग्राहक को 5% की छूट देने के बाद 33% लाभ प्राप्त हो सके?
(a) 48%
(b) 43%
(c) 40%
(d) 38%

Q9. If a dividend of Rs 57,834 is to be divided among Meena, Urmila and Vaishali in the proportion of 3:2:1, find Urmila’s share.
यदि मीना, उर्मिला और वैशाली के बीच 57,834 रुपये का लाभांश 3: 2: 1 के अनुपात में विभाजित किया जाए। तो उर्मिला का हिस्सा क्या होगा?
(a) Rs 19,281
(b) Rs 17,350
(c) Rs 23,133
(d) Rs 19,278

Q10. A certain number of men can do a work in 60 days. If there were 8 men more it could be finished in 10 days less. How many men are there ?
पुरुषों की एक निश्चित संख्या एक काम को 60 दिनों में कर सकते हैं। यदि 8 अधिक पुरुष होते तो इसे 10 दिन कम में समाप्त किया जा सकता है। तो कुल कितने आदमी हैं?
(a) 75 men/ पुरुष
(b) 40 men/ पुरुष
(c) 48 men / पुरुष
(d) 45 men/ पुरुष

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