**Q1. In a triangle the length of the side opposite the angle which measures 30° is 9 cm, what is the length of the side opposite to the angle which measures 60°?**

(a) 3√3 cm

(b) 3/2 cm

(c) 9/2 cm

(d) 9√3 cm

**Q2. For triangle ABC, what would be the equation of median AD if co-ordinates of A, B and C are (-5,4), (-4,0) and (-2,2) respectively?**

(a) 3x – 2y = -11

(b) 3x + 2y = 7

(c) 3x + 2y = -7

(d) 3x – 2y = 11

**Q3. A wholesaler sells a watch to a retailer at a gain of 37% and the retailer sells it to a customer at a loss of 25%. If the customer pays Rs 2,620.125, what had it cost the wholesaler?**

(a) Rs 2550

(b) Rs 2692

(c) Rs 3327

(d) Rs 2408

**Q4. The ratio of present ages of Rasika and Shami is 7:5. After 17 years the ratio of their ages will be 12:11. What is Rasika’s present age?**

(a) 5

(b) 80

(c) 16

(d) 7

**Q5. If tanA + tanB = X, then the value of X is**

(a) (tanA – tanB)/(1 + tanAtanB)

(b) (tanA + tanB)/(1 – tanAtanB)

(c) (tanA + tanB)/(1 + tanAtanB)

(d) (tanA – tanB)/(1 – tanAtanB)

**Q6. At least one diagonal bisects the other in a _____.**

(a) Trapezium

(b) Isosceles trapezium

(c) Kite

(d) Cyclic quadrilateral

**Q7. 25% discount is offered on an item. By applying a promo code the customer wins 4% cash back. What is the effective discount?**

(a) 28 percent

(b) 29.12 percent

(c) 29 percent

(d) 5 percent

**Q8. What is the HCF (highest common factor) of 133 and 112?**

(a) 15

(b) 7

(c) 19

(d) 16

**Q9. Value of (4a2 + 12ab + 9b2)/(2a + 3b) is**

(a) 2a – 3b

(b) 2a + 3b

(b) 2a

(d) 3b

**Q10. What is the equation of line whose slope is -1/2 and passes through the intersection of the lines x – y = -1 and 3x – 2y = 0?**

(a) x + 2y = 8

(b) 3x + y = 7

(c) x + 2y = -8

(d) 3x + y = -7

**Solutions:**

##### RRB NTPC 2019-20 | RRB NTPC Maths | Practice Set

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