76. If the remainder obtained by subtracting anumber from its own square is 3times the number, what is the number ?
77. If 100 is 20% of a number, then what the 120% of the number is ?
78. The next number in the following sequence is10,20,32,46,62________
79. If sin A = 3/5,then tan A=
80. There are 3 white balls and 2 black balls. If ball is taken random, what is the probability that it is a black ball ?
81. A and B start business in partnership by investing Rs. 3,000 and Rs. 4,000 respectively. At the end of one year a profit of Rs. 1,400 is made. How much amount would A get as his share of profit ?
82. The arithmetic average of 10 numbers is 10. If one is added to each number, by how much would the average increase ?
83. What is the sum of n terms of the series 2 + 4 + 6 + ... ?
84. The value of 0.23 x 0.23 x 0.23 + 0.023 x 0.023 x 0.023 0.69 x 0.69 x 0.69 + 0.069 x 0.069 x o‘069 is
85. If a2 + b2 = 25 and ab = 12, then is a-b
86. The area of the largest circle that can be drawn inside a rectangle with 8 cm by 22 7 cm is (take x = —)1452?77 Po22889
87. A work can be completed by 24 men in 17 days. To complete the work in 12 days, the number of additional men required is
88. A deposits an amount Rs. 30,000 to obtain a simple interest at the rate of 12% per year for three years. What total amount will A get at the end of 3 years ?
89. — 3/64 is what part of 1/16
90. If the fractions5/14,6/11,7/9,8/13and9/10are arranged in ascending order of their values, which one will be the fourth ?
91. The compound interest on Rs, 2,500 at the rate of 5% per year after two years will be
92. The ratio between ages of A and B is 2:3 and that between B and C is 1 :2. If the sum of the ages of three is 110 years, how old is C ?
93. On selling an article for Rs. 300 there is a gain of 111/9%. What is its cost price ?
94. 1/10+1/50+1/250=?
95. The best approximation of V2 among the given values is
96. If 7x + 5y = 107 and 5x + 7y = 77 then the value of xy is
97. If = 1.732 then nearest value of ^ among given values is
98. 12 men can do a piece of work in 10 days. How many men would be required to do the same in 8 days ?
99. A car covers the first 35 km of its journey in 45 minutes and covers the remaining 69 km in 75 minutes. What is the average speed of the car ?
100. If surface area and volume of a sphere can be represented by the same number, then what is the length of the diameter of the sphere ?
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