51.
Out of the four alternatives choose the one which can be substituted for the given words/sentence.To give one’s authority to another
52. The units digit of the expression $$25^{6251} + 36^{528} + 73^{54}$$ is
53. The sum of the square of 3 consecutive positive numbers is 365. The sum of the numbers is
54. In a division sum, the divisor is 10 times the quotient and 5 times the remainder. If the remainder is 46, then the dividend is
55. Akash is thrice as good a workman as Baldev and therefore is able to finish a job in 40 days less than Baldev. Working together, they can do it in
56. The LCM of two numbers is 4 times their HCF. The sum of LCM and HCF is 125. If one of the numbers is 100, then the other number is
57. The difference between a discount of 35% and two successive discounts of 20% on a certain bill was Rs. 22. The amount of the bill was
58. In measuring the side of a rectangle, there is an excess of 5% on one side and 2% deficit on the other. Then the error percent in the area is
59. An equilateral triangle and regular hexagon have the same perimeter. The ratio of the area of the triangle to that of the hexagon is
60. The average of three numbers is 135. The largest number is 195 and the difference between the other two is 20. The smallest number is
61. If I purchased 11 books for Rs. 100 and sold 10 books for Rs. 110, the percentage of profit per book sold is
62. Ratio between the monthly income of A and B is 9 : 8 and the ratio between their expenditures is 8 : 7. If they save Rs. 500 each, find A’s monthly income.
63. If $$x:y=3:4$$, then the value of $$\frac{5x-2y}{7x+2y}=$$
64. In a certain time, the ratio of a certain Principal and the simple interest obtained from it are In the ratio 10:3 at 10% interest per annum. The number of years the money was invested is
65. A cloth merchant sold half of his cloth at 40% profit, half of remaining at 40% loss and rest was sold at the cost price. In the total transaction his gain or loss will be
66. In an examination 1100 boys and 900 girls Appeared. 50% of the boys and 40% of the girls passed the Examination. The percentage of candidates who failed is
67. When the price of cloth was reduce by 25%, the quantity of cloth sold increased by 20%. What was the effect on gross receipt of the shop?
68. Walking at the rate of 4 km per hour, a man covers a certain distance in 3 hours 45 minutes. If he covers the same distance on cycle, cycling at the rate of 16.5 km/hours, the time taken by him is
69. What was the percentage increase in production Of salt in 2008 compared to that of 2001?
70. In how many of the given years was the Production of salt more than the average production Of the given years?
71. What was the percentage decline in the Production of salt from 2003 to 2004?
73. $$\frac{1}{3-\sqrt8}-\frac{1}{\sqrt8-\sqrt7}+\frac{1}{\sqrt7-\sqrt6}-\frac{1}{\sqrt6-\sqrt5}+\frac{1}{\sqrt5-\sqrt4}$$ is equal to
74. A and B can do a piece of work in 8 days, B and C can do it in 24 days, while C and A can do it in $$8 \frac{4}{7}$$ days. In how many days can C do it alone?
75. A sphere and cube have equal surface areas. The ratio of the volume of the sphere to that of the cube is
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