There are two examinations rooms A and B. If 10 students are sent from A to B, then the number of students in each room is the same. If 20 candidates are sent from B to A, then the number of students in A is double the number of students in B. The number of students in room A is:
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1
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The greatest 4 digit number which is a perfect square, is = ?
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2
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If \(\root 3 \of {{3^n}} { \text{ = 27,}}\) then the value of n is = ?
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3
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If a - b = 3 and a2 + b2 = 29, find the value of ab = ?
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4
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Direction: In the question given below the given mathematical symbols are changed from '+' to '÷', '-' to '×', '÷' to '-' and from '×' to '+', then choose your answers from the following options.
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5
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421 ÷ 35 × 299.97 ÷ 25.05 = ?2
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6
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The cost of 5 pendants and 8 chains is Rs. 145785. What would be the cost of 15 pendants and 24 chains ?
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7
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\(1 + \frac{1}{2} + \frac{1}{4} + \frac{1}{7} + \frac{1}{{14}} + \frac{1}{{28}}\) is equal to = ?
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8
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5 - [4 - {3 - (3 - 3 - 6)}] is equal to:
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9
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Simplify : \({ \text{10}}\frac{1}{8}{ \text{ of }}\frac{{12}}{{15}} \div \frac{{35}}{{36}}{ \text{ of }}\frac{{20}}{{49}}\)
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10
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The square root of \(\frac{{0.342 \times 0.684}}{{0.000342 \times 0.000171}} = ?\)
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