Monthly Archives: November 2016

Quantitative Aptitude Section- The New India Assurance Co.Ltd

Here are few questions from Quantitative Aptitude Section of “The New Indian Assurance Co.Ltd. ” Administrative Officers Exam.   Q.1) Find out the wrong number in the following number series. 1.)  529   841  961  1296  1681  1849  2209   … Continue reading

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Solutions of Mathematical Puzzles -Shakuntala Devi

 Sum of the reciprocals The sum of two numbers  is ten. Their product is twenty.Can you find the sum of the reciprocals of the two numbers?    Solution:   Given : a+b =10 ——-(1)  ab=20——–(2)       we need (1/a) … Continue reading

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Squaring of numbers of special forms-1

  In this 10 minutes video , learn how to square numbers of special forms. Watch it now. For many of us, we may be knowing the approach to the problem asked in various competitive exams.What matters the most is … Continue reading

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Puzzles from the Book by Shakuntala Devi

        Here, I’m writing about the puzzles, riddles and mathematics questions from the book ” More puzzles” by Shakuntala Devi. These puzzles might be asked in various exams to check your thinking and ability to solve the problems. … Continue reading

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Numbers

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Trigonometric Equations-21

Q.21) 

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Sequence and series-4,5

  Q.4) Solution:  Q.5) Solution:

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Trigonometric Equations-19,20

Q.19)  Solution :  Q.20) Solution :   

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Esko Placement Paper

1.The edges of a cuboid  are in the ratio 1 : 2 : 3 and its surface area is 88 cm2. The volume of the cuboid is : A.24 cm3 B.48 cm3 C.64 cm3 D.120 cm3 2.)Look at this series: … Continue reading

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Trigonometric Equations-17,18

Q.17)  Q.18)

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