Mathematics Quiz For RRB NTPC : 6th February For Time and Work_00.1
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Mathematics Quiz For RRB NTPC : 6th February For Time and Work

Q1. If 40 men or 60 women or 80 children can do a piece of work in 6 months, then 10 men, 10 women and 10 children together do half of the work in
Mathematics Quiz For RRB NTPC : 6th February For Time and Work_50.1

Q2. Three cubes of sides 6 cm, 8 cm and 1 cm are melted to form a new cube. The surface area of the new cube is
(a) 486 cm²
(b) 496 cm²
(c) 586 cm²
(d) 658 cm²

Q3. I walk a certain distance and ride back taking a total time of 37 minutes. I could walk both ways in 55 minutes. How long would it take me to ride both ways?
(a) 30 minutes
(b) 19 minutes
(c) 37 minutes
(d) 20 minutes

Q4. The compound interest on a certain sum of money at a certain rate per annum for two years is Rs. 2,050, and the simple interest on the same amount of money at the same rate for 2 years is Rs. 3,000. Then the sum of money is
(a) Rs. 20,000
(b) Rs. 18,000
(c) Rs. 21,000
(d) Rs. 25,000

Q5. If ab + bc + ca = 0, then the value of Mathematics Quiz For RRB NTPC : 6th February For Time and Work_60.1 is
(a) 2
(b) –1
(c) 0
(d) 1

Q6. The mean of 20 items is 55. If two items 45 and 30 are removed, the new mean of the remaining items is
(a) 65.1
(b) 65.3
(c) 56.9
(d) 56

Q7. The elimination of θ from x cosθ –y sin θ = 2 and x sin θ + y cos θ = 4 will be
Mathematics Quiz For RRB NTPC : 6th February For Time and Work_70.1

Q8. The value of Mathematics Quiz For RRB NTPC : 6th February For Time and Work_80.1 is
(a) 1
(b) cotθ
(c) cosecθ
(d) tanθ

Q9. If Mathematics Quiz For RRB NTPC : 6th February For Time and Work_90.1 then the value of 1-2 sin² θ is
Mathematics Quiz For RRB NTPC : 6th February For Time and Work_100.1

Q10. The value of Mathematics Quiz For RRB NTPC : 6th February For Time and Work_110.1 is (0°<A<90°)
(a) 2 cosec A
(b) 2 sec A
(c) 2 sin A
(d) 2 cos A

Solutions:

Mathematics Quiz For RRB NTPC : 6th February For Time and Work_120.1

Mathematics Quiz For RRB NTPC : 6th February For Time and Work_130.1

Mathematics Quiz For RRB NTPC : 6th February For Time and Work_140.1

Mathematics Quiz For RRB NTPC : 6th February For Time and Work_150.1

Mathematics Quiz For RRB NTPC : 6th February For Time and Work_160.1

Mathematics Quiz For RRB NTPC : 6th February For Time and Work_170.1

Mathematics Quiz For RRB NTPC : 6th February For Time and Work_180.1

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

Mathematics Quiz For RRB NTPC : 6th February For Time and Work_190.1

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