**Q1. tan(A/2) is equal to**

(a) tanA/(1 + secA)

(b) 1/(cosecA + cotA)

(c) tanA/(1 + cosecA)

(d) 1/(secA + cotA)

**Q2. In ΔPQR, S and T are points on side PQ and PR respectively. ST is parallel to QR. If lengths of PS, SQ and PR are 6 cm, 9 cm and 12.5 cm respectively, what is the length of TR?**

(a) 7.5 cm

(b) 5 cm

(c) 10 cm

(d) 2.5 cm

**Q3. How many balls of radius 2 cm can be made by melting a bigger ball of diameter 16 cm? (Take π = 22/7)**

(a) 64

(b) 128

(c) 32

(d) 96

**Q4. At what point does the line 3x + y = -6 intercept the x-axis?**

(a) (2,0)

(b) (-2,0)

(c) (0,-6)

(d) (0,6)

**Q5. A thief is stopped by a policeman from a distance of 150 metres. When the policeman starts the chase, the thief also starts running. Assuming the speed of the thief as 7 km/hr and that of policeman as 9 km/hr, how far the thief would have run, before he is over- taken by the policeman?**

(a) 420 metres

(b) 630 metres

(c) 315 metres

(d) 525 metres

**Q7. If 2(3x + 5) > 4x- 5 < 3x + 2; then x can take which of the following values?**

(a) 8

(b) 6

(c) -8

(d) 10

**Q8. Two cars travel from city A to city B at a speed of 60 and 108 km/hr respectively. If one car takes 2 hours lesser time than the other car for the journey, then the distance between City A and City B?**

(a) 270 km

(b) 324 km

(c) 405 km

(d) 216 km

**Q9. If (4x – 5) = (3x – 1), then the numerical value of (x+4)2 is**

(a) 16

(b) 64

(c) 32

(d) 8

**Q10. A does 50% of a work in 12 days. He then calls in B and they together finish the remaining work in 8 days. How long B alone would take to complete the whole work?**

(a) 12 days

(b) 24 days

(c) 36 days

(d) 48 days

**Solutions:**

##### RRB NTPC 2019 | RRB JE Classes Day 1 | Review of Previous Year Quant Papers for RRB | Sumit Sir

**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**