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) (x2 + 6x + 8) and (x + 1) respectively and one of the polynomial is x2 + 5x + 4, then the other is -
1) x2 + 3x + 2
2) x2-3x + 2
3) x2 + 2x + 3
4) x2-2x + 3
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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