Showing posts with label olympiad. Show all posts
Showing posts with label olympiad. Show all posts
Monday, June 27, 2016

Algebra test - STD VIII and STD IX

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3 comments:
Wednesday, August 6, 2014

miscellaneous equations,

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Solve for x: 3x 2 - 4√(3x 2 – 4x + 1) = 4x – 4 
1 comment:

irrational numbers

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Evaluate: √[6 + √{6 + √(6 +.........)} IIT 73 

miscellaneous equations

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solve for x: √x + √{x - √(1 – x)} = 1

miscellaneous equations

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Find the real values of x, y and z for the equations x + y = 2 xy -  z 2   = 1 IIT 72

miscellaneous equations

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Solve for x, y and z xy + x + y = 23 xz + z + x = 41 yz + y + z = 27 IIT 

miscellaneous equations

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Solve for x, y and z x + y - 4xy = 0 y + z - 6yz = 0 z + x - 8zx = 0 IIT 73

Questions on Brackets for STD V

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Questions on Brackets for STD V
Sunday, August 3, 2014

JMO, indices, number

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In the sum  23 15  + 19 17  + 27 35 ,  find the digit in the unit place. JMO STD V and STD VI

numbers -- JMO std. V and VI

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 Find the total number of digits in the number 123456789101112..........20102011 JMO STD V and STD VI

series summation - JMO

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Pages of a book are numbered from one onwards. A boy has torn one page of the book. If sum of page numbers of remaining pages of the book i...
Saturday, August 2, 2014

distance and time --- JMO V and VI

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If I travel at 30 km/hr I reach  my destination at 10 O clock. If I travel a 20 km/hr I reach my destination at 4 O' Clock. How far i...

JMO VII and VIII -- series problems

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If  3! = 3 x 2 x 1; 4! = 4 x 3 x 2 x 1, 5! = 5 x 4 x 3 x 2 x 1 Then, find the value of  1.1 ! + 2.2! + 3.3! + 4.4! + …… + 99.99!...

JMO -- DIvisibility

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Which are the two numbers less than 260 that exactly divides  2 32 – 1? JMO – VII and VIII

series problems for STD V and STD VI

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Questions on the application of the formulae: For S = 1 + 2 + 3 + .....n terms = i.e. sum of natural numbers from 1 to n. S = n (n+1)/2 ...
Sunday, May 4, 2014

simple equations --- STD V

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algebraic expressions -- STD V

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writing algebraic expressions --- STD V

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Friday, April 18, 2014

compound interest

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The compound interest on a certain sum for 2 years at 10% per annum is Rs. 525. The simple interest on the same sum for double the time at ...

compound interest

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The effective annual rate of interest corresponding to a nominal rate of 6% per annum payable half-yearly is................................