**Q1. Of the three numbers, the ratio of the first and the second is 8 : 9 and that of the second and third is 3 : 4. If the product of the first and third number is 2400, then the second number is**

(a) 45

(b) 40

(c) 30

(d) 35

**Q2. A boat is rowed downstream at 15.5 km/h and upstream at 8.5 km/h the speed of the stream is **

(a) 3.5 km/h

(b) 5.75 km/h

(c) 6.5 km/h

(d) 7 km/h

**Q3. The price of a Maruti car rises by 30% while the sales of the car comes down by 20%. What is the percentage change in the Total revenue ? **

(a) – 4%

(b) – 2%

(c) + 4%

(d) + 2%

**Q4. Zinc and copper are in the ratio 5 : 3 in 400 g of an alloy. How much of copper (in g) should be added to make the ratio 5 : 4? **

(a) 72

(b) 200

(c) 50

(d) 66

**Q5. If 1/3 A=1/4 B=1/5 C then what is (A + B)/(A + B + C) = ? **

(a) 3/4

(b) 7/12

(c) 5/7

(d) 5/12

**Q7. Sum of three consecutive integers is 51. The middle one is?**

(a) 14

(b) 15

(c) 16

(d) 17

(a) 998999

(b) 999899

(c) 989999

(d) 999989

**Q9. Factorize x² + 3x 18**

(a) (x+18)(x1)

(b) (x1)(x+18)

(c) (x+6)(x3)

(d) (x6)(x+3)

**Q10. If sum of the roots of a quadratic equation is –7 and product of the roots is 12. Find the quadratic equation.**

(a) x² + 7x + 12 = 0

(b) x² – 7x + 12 = 0

(c) x² – 7x – 12 = 0

(d) x² + 7x – 12 = 0

**Solutions:**

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