All Analysts are Engineers. One-third of all Engineers are Analysts. Half of all Technicians are Engineers. Only one Technicianis an Analyst. Eight Technicians are Engineers. If the number of Engineers is 90, how many Engineers are neither Analysts nor Technicians

1. 65

2. 79

3. 82

4. 53

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Correct Answer :

Explanation :
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In the figure alongside, there are two concentric circles, centred at O, with diameters as ED and BC. OA is the bisector of ∠BAC while AB is tangent to the inner circle. If OD = 8 cm, what is the area of the triangle OAB

1. 32√ 2sq.cm

2. 64 sq.cm

3. 32 sq.cm

4. 128 sq.cm

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Correct Answer :

64 sq.cm

Explanation :
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Which of the following relationships is true given a > b I. (a $ b) (a * b) = (a – b) (a3+ b3) II. a² (a – b) + b² (b – 1) = (a + b) (a * b) – (a$ b) III. (a $ b) (a # b) = (a + b) (a3– b3)

1. Only I and II

2. Only II and III

3. Only I and III

4. All three statements

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Correct Answer :

Only I and III

Explanation :
No Explanation available for this question

**If a = 2 and b = 1, what is the value of (a # b) + (a * b) + (a $ b)**

1. 15

2. 7

3. 8

4. 13

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Correct Answer :

Explanation :
No Explanation available for this question

A man buys 1500 kg of groundnut from a farmer. The seeds weigh 60% of the total groundnut weight. The seeds when crushed yield an oil content of 30% of their weight while the rest of the crushed material is treated once again and it yields 6% oil by weight. What is the amount of oil obtained in the second crushing of the groundnut seeds

1. 37.8 kg

2. 43.2 kg

3. 46.8 kg

4. None of these

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Correct Answer :

None of these

Explanation :
No Explanation available for this question

All the words formed by using all the letters ‘ALBEST’ are arranged, with no repetetion, in the alphabetical order, as in a dictionary. What is the rank of the word ‘STABLE’ in this order

1. 488

2. 538

3. 578

4. 598

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Correct Answer :

578

Explanation :
No Explanation available for this question

A, B, C, ….. till K are 11 points, spaced on the circumference of a circle in that order. What is the sum of all the corner angles of the ‘star’ formed by joining the points AEIBFJCGKDHA - in that order

1. 180°

2. 270°

3. 540°

4. None of these

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Correct Answer :

None of these

Explanation :
No Explanation available for this question

If the fourth tap takes 40 minutes to fill the tank when working alone then the eighth and the seventh tap would take how many minutes to fill the tank when working together

1. 0.6 minutes

2. 1.66 minutes

3. 3.0 minutes

4. 3.33 minutes

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Correct Answer :

1.66 minutes

Explanation :
No Explanation available for this question

If the 14th tap can fill the tank at the rate of 1427 litres per hour then the 15th tap will be able to fill the tank at a rate(in litres/hour) which is

1. 66.66% more than 1427 litres/hour

2. 100% more than 1427 litres/hour

3. 166.66% more 1427 litres/hour

4. 111.11% more than 1427 litres/hour

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Correct Answer :

100\% more than 1427 litres/hour

Explanation :
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An operation is defined as cutting the maximum possible circle from a square and then cutting the maximum possible square from that circle. If the area of the square with which the operations started is 64 sq.units, what will be the area of the figure that will be formed after exactly 2.5 operations (half operation is defined as cutting the maximum possible circle from the square)

1. π

2. π/2

3. 2π

4. 4π

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Correct Answer :

4π

Explanation :
No Explanation available for this question

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