**Q. If A : B = 3 : 4 and B : C = 67, then what is C : A?**

1) 14 : 9

2) 13 : 7

3) 7:4

4) 7 : 13

**Q. How much time will it take for an amount of Rs. 450 to yield Rs. 81 as interest at 4.5% per annum of simple interest?**

1) 2 years

2) 3 years

3) 4 years

4) 5 years

**Q. The HCF of the two numbers is 25 and other factors of their LCM are 14 and 15. The sum of the number is -**

1) 750

2) 775

3) 700

4) 725

**Q. If after selling 30 pens, the seller observes the profit of the sell price of 10 pens, then the profit percentage is -**

1) 200%

2) 66.67%

3) 33.33%

4) 50%

**Q. The relation that is there between 6 and 16, remains the same between 12 and ........**

1) 29

2) 23

3) 42

4) 34

**Q. If the LCM and HCF of two polynomials are (x + 1) (x ^{2} + 6x + 8) and (x + 1) respectively and one of the polynomial is x^{2} + 5x + 4, then the other is -**

1) x

2) x

3) x

4) x

**Q. Three numbers are in the ratio of 3 : 4 : 5 and their HCF and LCM are 40 and 2400, respectively, then the largest number is -**

1) 40

2) 360

3) 240

4) 200

**Q. 11 observations are arranged in ascending order. If 10 and 9 are respectively the arithmetic means of observation on even and odd places, then the mean of all 11 observations is -**

1) 9.48

2) 9.45

3) 9.50

4) 8.63

**Q. The semi-diameters of the bases of two cylinders A and B are in the ratio 3 : 2 and their heights are in the ratio n : 1. If the volume of cylinder A is 3 times of the volume of cylinder B, then the value of n is -**

1) 3/2

2) 4/3

3) 3/4

4) 2/3

**Q. If the area of the base of a cone is increased by 100%, then the volume is increased by -**

1) 141%

2) 182%

3) 100%

4) 200%

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