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 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?
(a) (1 + 2cos²A)/(sinA cosA)
(b) (sinA cosA)/(1 – 2cos²A)
(c) (sinA cosA)/(1 + 2cos²A)
(d) (1 – 2cos²A)/(sinA cosA)
Q2. What is the equation of the line passing through the point (-1,3) and having x-intercept of 4 units?
(a) 3x – 5y = 12
(b) 3x + 5y = 12
(c) 3x + 5y = -12
(d) 3x – 5y = -12
Q3. 25% discount is offered on an item. By applying a promo code the customer wins 8% cash back. What is the effective discount?
(a) 35.75 percent
(b) 35 percent
(c) 31 percent
(d) 12.5 percent
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?
(a) 12 days
(b) 4 days
(c) 8 days
(d) 16 days
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?
(a) 8 and 16
(b) 16 and 32
(c) 8 and 32
(d) 16 and 16
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?
(a) 4.3
(b) 4.9
(c) 3.1
(d) 3.7
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?
(a) 12 cm
(b) 18 cm
(c) 27 cm
(d) 9 cm
Q8.A student multiplied a number by 4/5 instead of 5/4. What is the percentage error in the calculation?
(a) 56.25 percent
(b) 18 percent
(c) 28.13 percent
(d) 36 percent
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?
(a) 54 km
(b) 45 km
(c) 36 km
(d) 27 km
Q10. A vendor buys chikoos at 15 for Rs 8 and then sells at 10 for Rs 6. What will be the result?
(a) 12.5 percent loss
(b) 11.11 percent loss
(c) 12.5 percent loss
(d) 11.1 percent loss
