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Arithmetic Aptitude

Height and Distance – General Questions

 

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Height and Distance – Important Formulas

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Square Root and Cube Root – General Questions

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Decimal Fraction – General Questions

1. Evaluate : (2.39)2 – (1.61)2 /(2.39 – 1.61) A. 2 B. 4 C. 6 D. 8 Answer: Option B Explanation: Given Expression = a2 – b2 /a – b = (a + b)(a – b) /(a – b) = (a + b) = (2.39 + 1.61) = 4. 2. …

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Square Root and Cube Root – Important Formulas

Square Root:If x2 = y, we say that the square root of y is x and we write y = x.Thus, 4 = 2, 9 = 3, 196 = 14. Cube Root:The cube root of a given number x is the number whose cube is x.We, denote the cube root …

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Ratio and Proportion – Important Formulas

Ratio:The ratio of two quantities a and b in the same units, is the fraction and we write it as a : b.In the ratio a : b, we call a as the first term or antecedent and b, the second term or consequent. Eg. The ratio 5 : 9 …

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Ratio and Proportion – General Questions

1. A and B together have Rs. 1210. If of A’s amount is equal to of B’s amount, how much amount does B have? A. Rs. 460 B. Rs. 484 C. Rs. 550 D. Rs. 664 Answer: Option B Explanation: 4 A = 2 B 15 5 A = 2 …

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Pipes and Cistern – General Questions

1. Three pipes A, B and C can fill a tank from empty to full in 30 minutes, 20 minutes, and 10 minutes respectively. When the tank is empty, all the three pipes are opened. A, B and C discharge chemical solutions P,Q and R respectively. What is the proportion …

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Pipes and Cistern – Data Sufficiency 2

Directions to Solve Each of the questions given below consists of a question followed by three statements. You have to study the question and the statements and decide which of the statement(s) is/are necessary to answer the question. 1. If both the pipes are opened, how many hours will be …

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Pipes and Cistern – Data Sufficiency 1

Directions to Solve Each of the questions given below consists of a statement and / or a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statement(s) is / are sufficient to answer the given question. Read the …

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