76. A bag has Rs.51.25 in the form of 2-rupee, 50-paise and 25-paise coins in the ratio of 3:5:7. What is the total number of 50-paise coins?
77. In the first 40 overs of a 50 over innings, the run rate was 4.8 runs/over. What is the required run rate in the remaining 10 overs to reach the target of 241 runs?
78. A milkman buys milk at Rs 25 per litre and adds 1/4 of water to it and sells the mixture at Rs 26 per litre. His gain (in %) is?
79. When a number is increased by 120, it becomes 130% of itself. What is the number?
80. Two cyclists P and Q cycle at 20 km/hr and 25 km/hr towards each other. What was the distance (in kms) between them when they started if they met after 56 minutes?
81. The amount received at 10% per annum Compound interest after 3 yrs is Rs 5324. What was the principal (in Rs)?
82. If 14/3 + (1/2)(x - 7/3) = -2x/3, then the value of x is?
83. If a + b = 10 and ab = 24, then what is the value of $$a^{3} + b^{3}$$?
84. The sum of a fraction and 3 times its reciprocal is 19/4. What is the fraction?
85. The 3rd and 6th term of an arithmetic progression are 13 and -5 respectively. What is the 11th term?
86. What is the reflection of the point (6, -1) in the line y = 2?
87. Point P (8 , 5) is the midpoint of segment AB. Co-ordinates of A are (5, y) and B are (x, -3). What is the value of x?
88. What is the equation of a line of slope 1/3 and y-intercept 5?
89. ΔABC is right angled at B. BD is an altitude. AD = 3 cm and DC = 9 cm. What is the value of AB (in cm)?
90. What is the value of Cot 60° - Sec 45° ?
91. Δ ABC is right angled at B. If m∠A = 30°, what is the length of AB (in cm), if AC = 10 cm?
92. If Cot θ = 24/7, then Sin θ = ?
93.
The pie chart shows the share of tiger population six Wild life sanctuaries (A, B, C, E, E, F) of a country. Study the diagram and answer the following questions.
Which wild life sanctuary has more tigers than D but less than F?
94. What will be the total number of tigers left in the six sanctuaries, if 3 tigers are killed by poachers in sanctuary E and 9 tigers are added to sanctuary A?
95. What is the ratio of tigers in sanctuaries E and F to that of tigers in sanctuaries D and C?
96. If the total tiger population in these six sanctuaries had grown by 20% and 25% in the previous two decades, then what was the total tiger population in these six sanctuaries before 20 years?
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