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Home Quantitative Aptitude Mathematics Quiz For RRB NTPC : 9th January 2020

Mathematics Quiz For RRB NTPC : 9th January 2020

Q1. If A is equal to 20% of B and B is equal to 25% of C; then what percent of C is A?
(a) 10
(b) 15
(c) 5
(d) 20

Q2. A gun is fired at a distance of 1.7 km from Ram and he hears the sound after 25 seconds. The speed of sound in meter per second is:
(a) 60
(b) 62
(c) 64
(d) 68

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Q3. A sum of Rs. 3000 yields an interest of Rs. 1080 at 12% per annum simple interest in how many years?
(a) 4 Years
(b) 3 Years
(c) 5 years
(d) 2 1/2 years

Q4. The area of the largest triangle that can be inscribed in a semicircle of radius 6m is:
(a) 36 m2
(b) 72 m2
(c) 18 m2
(d) 12 m2

Q5. Three numbers are in the ratio 5:7:12. If the sum of the first and the third is greater than the second by 50.The sum of the three numbers is:
(a) 125
(b) 120
(c) 95
(d) 85

Q6. If the income of Mohan is 150% higher than Mahesh, then by what percent the income of Mahesh is less than Mohan?
(a) 40%
(b) 50%
(c) 60%
(d) 45%

Q7. If ∆PQR and ∆LMN are similar and 3PQ = LM and MN = 9 cm, then QR is equal to:
(a) 12 cm
(b) 6 cm
(c) 9 cm
(d) 3 cm

Q8. Possible length of the three sides of a triangle are:-
(a) 2 cm, 3 cm, 6 cm
(b) 3 cm, 4 cm, 5 cm
(c) 2.5 cm, 3.5 cm, 6 cm
(d) 4 cm, 4 cm, 9 cm

Q9. A can do a work in 12 days while B can do it in 15 days. They undertake to complete it together for Rs. 450. what will be the share of A in this amount of money?
(a) Rs. 200
(b) Rs. 240
(c) Rs. 250
(d) Rs. 300

Q10. 36 men together can build a wall 140 m long in 21 days; the number of men working at the same rate required to build the same wall in 14 days is?
(a) 54
(b) 48
(c) 36
(d) 18



Important Links for RRB NTPC Recruitment 2019
RRB NTPC Admit Card
RRB NTPC Previous year Cut Off | 1st & 2nd Stage Examination
RRB NTPC Recruitment 2019: Check FAQs
RRB NTPC Exam Pattern 2019 – Check Here
RRB NTPC Previous Year Exam Analysis
RRB NTPC Exam Syllabus


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