[Math Center Home] [āĻ¨ā§āĻāĻ āĻāĻ āĻāĻ°ā§āĻāĻŋāĻā§āĻ˛āĻāĻŋ (4) Decimals, Fraction, Percentage āĻŦāĻŋāĻāĻžāĻā§āĻ°Â āĻ āĻ§ā§āĻ¨ā§Â ã5ãMixture and Coin Problems āĻā§āĻ¯āĻžāĻĒā§āĻāĻžāĻ°ā§āĻ° āĻ āĻ¨ā§āĻ¤āĻ°ā§āĻāĻ¤, āĻ¯āĻžÂ ã4.5.aãāĻāĻŋāĻšā§āĻ¨ āĻĻāĻŋā§ā§ āĻĒā§āĻ°āĻāĻžāĻļ āĻāĻ°āĻž āĻšā§ā§āĻā§] ã4.5.aãāĻŦāĻŋāĻāĻŋāĻ¨ā§āĻ¨ āĻ§āĻ°āĻŖā§āĻ° āĻŽāĻŋāĻļā§āĻ°āĻŖ āĻāĻŦāĻ āĻŽā§āĻĻā§āĻ°āĻž āĻ¸āĻŽā§āĻĒāĻ°ā§āĻāĻŋāĻ¤ āĻ¸āĻŽāĻ¸ā§āĻ¯āĻž Chemical Mixtures A [latex]500[latex] mL solution is [latex]20[latex]% alcohol by volume. If [latex]100[latex] mL of water is added, what is the new concentration of alcohol, as a percent […]
Category: Math Center
MC1: Geometry
MC2: Algebra
MC3: Number Properties
MC4: Decimals, Fraction, Percentage
MC5: Statistics and D.I.
MC6: Counting and Probability
ã4.3.aãāĻāĻžāĻ āĻ āĻāĻ¤āĻŋāĻ° āĻšāĻžāĻ° āĻŦāĻŋāĻˇā§āĻ āĻāĻ˛ā§āĻāĻ¨āĻž
[Math Center Home] [āĻ¨ā§āĻāĻ āĻāĻ āĻāĻ°ā§āĻāĻŋāĻā§āĻ˛āĻāĻŋ (4) Decimals, Fraction, Percentage āĻŦāĻŋāĻāĻžāĻā§āĻ°Â āĻ āĻ§ā§āĻ¨ā§Â ã3ãRates(Work, Speed, Conduits) āĻā§āĻ¯āĻžāĻĒā§āĻāĻžāĻ°ā§āĻ° āĻ āĻ¨ā§āĻ¤āĻ°ā§āĻāĻ¤, āĻ¯āĻžÂ ã4.3.aãāĻāĻŋāĻšā§āĻ¨ āĻĻāĻŋā§ā§ āĻĒā§āĻ°āĻāĻžāĻļ āĻāĻ°āĻž āĻšā§ā§āĻā§] ã4.3.aãāĻāĻžāĻ āĻ āĻāĻ¤āĻŋāĻ° āĻšāĻžāĻ° āĻŦāĻŋāĻˇā§āĻ āĻāĻ˛ā§āĻāĻ¨āĻž (Rates & work strategy) : āĻŦāĻŋāĻāĻŋāĻ¨ā§āĻ¨ āĻĒāĻ°ā§āĻā§āĻˇāĻžā§ āĻ āĻ§āĻ°āĻŖā§āĻ° āĻĒā§āĻ°āĻļā§āĻ¨ #āĻāĻ°āĻŋāĻĨāĻŽā§āĻāĻŋāĻ āĻ āĻāĻļā§ āĻĒā§āĻ°āĻžā§āĻāĻ āĻĻā§āĻāĻž āĻ¯āĻžā§āĨ¤ āĻ āĻ§āĻ°āĻŖā§āĻ° āĻ āĻā§āĻā§ āĻ¸āĻžāĻ§āĻžāĻ°āĻŖāĻ¤āĻ āĻ¨āĻŋāĻā§āĻ° āĻāĻžāĻ°ā§āĻŽāĻā§āĻ˛ā§ āĻāĻ˛ā§ÂāĻ āĻĨāĻžāĻā§āĨ¤ RATE, TIME, & DISTANCE or WORK. āĻāĻ […]
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ã2.2.aãāĻ¸āĻŽā§āĻāĻ°āĻŖ, āĻ¸ā§āĻāĻ āĻĒā§āĻ°āĻā§āĻ¤āĻŋ āĻŦāĻŋāĻˇā§āĻ āĻāĻ˛ā§āĻāĻ¨āĻž
[Math Center Home] [āĻ¨ā§āĻāĻ āĻāĻ āĻāĻ°ā§āĻāĻŋāĻā§āĻ˛āĻāĻŋ (2) Algebra āĻŦāĻŋāĻāĻžāĻā§āĻ°Â āĻ āĻ§ā§āĻ¨ā§Â ã2ãExponents in Equation āĻā§āĻ¯āĻžāĻĒā§āĻāĻžāĻ°ā§āĻ° āĻ āĻ¨ā§āĻ¤āĻ°ā§āĻāĻ¤, āĻ¯āĻžÂ ã2.2.aãāĻāĻŋāĻšā§āĻ¨ āĻĻāĻŋā§ā§ āĻĒā§āĻ°āĻāĻžāĻļ āĻāĻ°āĻž āĻšā§ā§āĻā§] ã2.2.aãāĻ¸āĻŽā§āĻāĻ°āĻŖ, āĻ¸ā§āĻāĻ āĻĒā§āĻ°āĻā§āĻ¤āĻŋ āĻŦāĻŋāĻˇā§āĻ āĻāĻ˛ā§āĻāĻ¨āĻž āĻāĻ āĻ¨āĻāĻ°ā§ āĻāĻ āĻ āĻ§ā§āĻ¯āĻžā§ā§āĻ° āĻ¸ā§āĻ¤ā§āĻ°āĻ¸āĻŽā§āĻš âĸ Exponents āĻŦāĻž āĻ¸ā§āĻāĻ āĻ¯āĻĻāĻŋ āĻā§ā§ āĻ¸āĻāĻā§āĻ¯āĻž āĻšā§ āĻ¤āĻŦā§ āĻ¸ā§āĻ equation āĻāĻ° āĻĻāĻāĻāĻŋ solution āĻĨāĻžāĻā§āĨ¤ (āĻāĻŋāĻ¨ā§āĻ¤ā§ āĻŦā§āĻ¯āĻ¤āĻŋāĻā§āĻ°āĻŽ āĻāĻžā§āĻž) âĸ Negative āĻ¸āĻāĻā§āĻ¯āĻžāĻ°Â square root āĻ¨āĻŋāĻ˛ā§ āĻāĻžāĻ˛ā§āĻĒāĻ¨āĻŋāĻ āĻ¸āĻāĻā§āĻ¯āĻž āĻĒāĻžāĻā§āĻž āĻ¯āĻžā§āĨ¤ âĸ ODD exponents āĻšāĻ˛ā§ […]
ã1.3.aã āĻŦā§āĻ¤ā§āĻ¤, āĻŦā§āĻ¤ā§āĻ¤ā§āĻ° āĻā§āĻˇā§āĻ¤ā§āĻ°āĻĢāĻ˛ āĻāĻŦāĻ āĻ āĻ¨ā§āĻ¯āĻžāĻ¨ā§āĻ¯
[Math Center Home] [āĻ¨ā§āĻāĻ āĻāĻ āĻāĻ°ā§āĻāĻŋāĻā§āĻ˛āĻāĻŋ (1) Geometry āĻŦāĻŋāĻāĻžāĻā§āĻ°Â āĻ āĻ§ā§āĻ¨ā§Â ã1.3ã Circle āĻā§āĻ¯āĻžāĻĒā§āĻāĻžāĻ°ā§āĻ° āĻ āĻ¨ā§āĻ¤āĻ°ā§āĻāĻ¤, āĻ¯āĻžÂ ã1.3.aãāĻāĻŋāĻšā§āĻ¨ āĻĻāĻŋā§ā§ āĻĒā§āĻ°āĻāĻžāĻļ āĻāĻ°āĻž āĻšā§ā§āĻā§] ã1.3.aã āĻŦā§āĻ¤ā§āĻ¤, āĻŦā§āĻ¤ā§āĻ¤ā§āĻ° āĻā§āĻˇā§āĻ¤ā§āĻ°āĻĢāĻ˛ āĻāĻŦāĻ āĻ āĻ¨ā§āĻ¯āĻžāĻ¨ā§āĻ¯ Introduction Circle āĻŦāĻž āĻŦā§āĻ¤ā§āĻ¤ā§āĻ° āĻĒā§āĻ°āĻ¤āĻŋāĻāĻŋ āĻŦāĻŋāĻ¨ā§āĻĻā§ āĻāĻāĻāĻŋ āĻ¨āĻŋāĻ°ā§āĻĻāĻŋāĻˇā§āĻ āĻŦāĻŋāĻ¨ā§āĻĻā§ (āĻā§āĻ¨ā§āĻĻā§āĻ° āĻŦāĻž center) āĻĨā§āĻā§ āĻ¸āĻŽāĻžāĻ¨ āĻĻā§āĻ°āĻ¤ā§āĻŦ āĻ°ā§āĻā§ āĻāĻ˛ā§āĨ¤ āĻ¨ā§āĻā§āĻ° āĻ¯ā§ āĻā§āĻ¨ āĻāĻāĻāĻŋ āĻāĻžāĻ¨āĻ˛ā§āĻ āĻŦā§āĻ¤ā§āĻ¤ āĻ¸āĻŽā§āĻĒāĻ°ā§āĻā§ā§ āĻŦāĻžāĻā§ āĻ¤āĻĨā§āĻ¯āĻā§āĻ˛ā§ āĻŦā§āĻ° āĻāĻ°ā§ āĻĢā§āĻ˛āĻž āĻ¯āĻžā§āĨ¤ āĻ) circumference, āĻĒāĻ°āĻŋāĻ§āĻŋ […]
ã1.1ã(b) āĻŦāĻŋāĻāĻŋāĻ¨ā§āĻ¨ āĻ§āĻ°āĻŖā§āĻ° āĻ°ā§āĻāĻž, āĻĻā§āĻ°āĻ¤ā§āĻŦ āĻāĻŦāĻ āĻ¤āĻžāĻĻā§āĻ° āĻ āĻŦā§āĻ¯āĻ¨ā§āĻ¤āĻ°ā§āĻŖ āĻā§āĻŖ āĻ¸āĻŽā§āĻš
[Math Center Home] [āĻ¨ā§āĻāĻ āĻāĻ āĻāĻ°ā§āĻāĻŋāĻā§āĻ˛āĻāĻŋ (1) Geometry āĻŦāĻŋāĻāĻžāĻā§āĻ°Â āĻ āĻ§ā§āĻ¨ā§ (1) Lines and Angels āĻā§āĻ¯āĻžāĻĒā§āĻāĻžāĻ°ā§āĻ° āĻ āĻ¨ā§āĻ¤āĻ°ā§āĻāĻ¤, āĻ¯āĻžÂ ã1.1.bãāĻāĻŋāĻšā§āĻ¨ āĻĻāĻŋā§ā§ āĻĒā§āĻ°āĻāĻžāĻļ āĻāĻ°āĻž āĻšā§ā§āĻā§] ã1.1ã(b) āĻŦāĻŋāĻāĻŋāĻ¨ā§āĻ¨ āĻ§āĻ°āĻŖā§āĻ° āĻ°ā§āĻāĻž, āĻĻā§āĻ°āĻ¤ā§āĻŦ āĻāĻŦāĻ āĻ¤āĻžāĻĻā§āĻ° āĻ āĻŦā§āĻ¯āĻ¨ā§āĻ¤āĻ°ā§āĻŖ āĻā§āĻŖ āĻ¸āĻŽā§āĻš Lines and distance Lets discuss some interesting facts about Lines Perpendicular distance The word âdistanceâ always means âperpendicular distanceâ. āĻĻā§āĻāĻāĻŋ āĻ¸āĻ°āĻ˛āĻ°ā§āĻāĻžāĻ° āĻŽāĻ§ā§āĻ¯ā§ āĻ āĻ¸āĻāĻā§āĻ¯ āĻ¸āĻāĻ¯ā§āĻāĻ āĻ°ā§āĻāĻž āĻāĻžāĻ¨āĻž […]
ã1.1ã(a) āĻā§āĻŖ āĻ¸āĻŽā§āĻĒāĻ°ā§āĻāĻŋāĻ¤ āĻĒā§āĻ°āĻžāĻĨāĻŽāĻŋāĻ āĻāĻ˛ā§āĻāĻ¨āĻž
[Math Center Home] [āĻ¨ā§āĻāĻ āĻāĻ āĻāĻ°ā§āĻāĻŋāĻā§āĻ˛āĻāĻŋ (1) Geometry āĻŦāĻŋāĻāĻžāĻā§āĻ°Â āĻ āĻ§ā§āĻ¨ā§Â (1) Lines and Angels āĻā§āĻ¯āĻžāĻĒā§āĻāĻžāĻ°ā§āĻ° āĻ āĻ¨ā§āĻ¤āĻ°ā§āĻāĻ¤, āĻ¯āĻžÂ ã1.1.aãāĻāĻŋāĻšā§āĻ¨ āĻĻāĻŋā§ā§ āĻĒā§āĻ°āĻāĻžāĻļ āĻāĻ°āĻž āĻšā§ā§āĻā§] ã1.1ã(a) āĻā§āĻŖ āĻ¸āĻŽā§āĻĒāĻ°ā§āĻāĻŋāĻ¤ āĻĒā§āĻ°āĻžāĻĨāĻŽāĻŋāĻ āĻāĻ˛ā§āĻāĻ¨āĻž Angles Two lines (āĻ°ā§āĻāĻž) or line-segments (āĻ°ā§āĻāĻžāĻāĻļ) are required to form an angle. An angle is represented by [latex]\angle [latex]  sign .[latex]\angle [latex][latex]ABC[latex] is an angle below. Circle A circle has [latex]360[latex]° […]
Protected: Mathã3.6ã(d) āĻŦā§ āĻ¸ā§āĻāĻāĻ¯ā§āĻā§āĻ¤ āĻā§āĻŖāĻĢāĻ˛ā§āĻ° āĻāĻžāĻāĻļā§āĻˇ āĻ¯ā§āĻāĻžāĻŦā§ āĻŦā§āĻ° āĻāĻ°āĻŦā§āĻ¨
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Protected: Mathã1.7ã3D Objects ÂĢaÂģ Tutorial
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Protected: Mathã1.2ãTriangles: ÂĢaÂģ Tutorial
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Protected: Math ã1.3ãCircle: ÂĢaÂģ Tutorial
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Protected: Math ã1.4ãPolygons: ÂĢaÂģ Tutorial
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Protected: Math ã1.5ãMixed and Complex Shapes: ÂĢaÂģ Tutorial
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Protected: Math ã1.6ãCoordinate Geometry: ÂĢaÂģ Tutorial
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Protected: Mathã2.1ãAlgebra basic concepts ÂĢaÂģ Tutorial
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Protected: Mathã2.2ãExponents ÂĢaÂģ Tutorial
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Math ã2.2ã āĻŦāĻŋāĻ°āĻžāĻ āĻāĻžāĻšāĻŋāĻ˛ – āĻŦāĻŋāĻļāĻžāĻ˛ exponent āĻĻā§āĻā§ āĻāĻžāĻšāĻŋāĻ˛ āĻšāĻŦā§āĻ¨ āĻ¨āĻž
[āĻŽā§āĻ¯āĻžāĻĨ āĻ¸ā§āĻ¨ā§āĻāĻžāĻ° āĻšā§āĻŽ āĻĒā§āĻāĻ] āĻĒā§āĻ°āĻĨāĻŽā§āĻ āĻāĻāĻāĻž āĻ āĻāĻ āĻĻā§āĻā§āĻ¨: [latex]If\quad a={ 2 }^{ 3000 },\quad b={ 3 }^{ 2000 }\quad and\quad c={ 7 }^{ 1000 }\quad then\quad which\quad of\quad the\quad following\quad is\quad true?\quad \\ (A)\quad a\quad >\quad b\quad >\quad c\\ (B)\quad a\quad >\quad c\quad >\quad b\\ (C)\quad b\quad >\quad a\quad >\quad c\\ (D)\quad b\quad >\quad c\quad […]
Protected: Mathã1.1ãLines and Angles: ÂĢaÂģ Tutorial
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Mathã4.4aãAlligation – clarifying confusion
The link to our Math Center is here: grecenter.org/math I already explained how to use alligation method for solving GRE-GMAT math problems in my Bangla video in Youtube. The video is once again embedded here: Which number to choose while multiplying fractions? This refers to the discussion at 9.01 minute where I chose a desired […]
MATH{4.4}: Mixture, Rates, Speed, Alligation
Math Topic #4.4 Mixture, Rates, Speed, Alligation āĻŦā§āĻ¸āĻŋāĻ āĻ§āĻžāĻ°āĻŖāĻž: āĻŽāĻŋāĻļā§āĻ°āĻŖ āĻ¤āĻ°āĻ˛ āĻšā§āĻ āĻ āĻĨāĻŦāĻž āĻ¨āĻž āĻšā§āĻ, āĻāĻāĻžāĻ§āĻŋāĻ āĻāĻ¨āĻ¤ā§āĻŦā§āĻ° āĻāĻĒāĻžāĻĻāĻžāĻ¨āĻā§ āĻāĻāĻ¸āĻžāĻĨā§ āĻŽā§āĻļāĻžāĻ˛ā§ āĻ¨āĻ¤ā§āĻ¨ āĻāĻ¨āĻ¤ā§āĻŦā§āĻ° āĻāĻŋāĻā§ āĻāĻāĻāĻž āĻĒāĻžāĻā§āĻž āĻ¯āĻžā§āĨ¤ āĻāĻĒāĻ¨āĻŋ āĻāĻĻāĻžāĻšāĻ°āĻŖ āĻšāĻŋāĻ¸āĻžāĻŦā§ ā§¨% āĻĻā§āĻ§ā§āĻ° āĻ¸āĻžāĻĨā§ ā§Š% āĻĻā§āĻ§ āĻŽā§āĻļāĻžāĻ¨ā§, ā§§ā§Ŧ% āĻĒā§āĻ°ā§āĻāĻŋāĻ¨āĻ¯ā§āĻā§āĻ¤ āĻā§āĻāĻžāĻĻā§āĻ¯ā§āĻ° āĻ¸āĻžāĻĨā§ ā§¨ā§Ļ% āĻĒā§āĻ°ā§āĻāĻŋāĻ¨āĻ¯ā§āĻā§āĻ¤ āĻā§āĻāĻžāĻĻā§āĻ¯ āĻāĻŦāĻ āĻāĻŋāĻā§ āĻāĻžāĻāĻž āĻĻā§āĻ āĻāĻžāĻ āĻāĻ°ā§ ā§Ģ% āĻ¸ā§āĻĻ āĻ ā§% āĻ¸ā§āĻĻā§āĻ° āĻĻā§āĻāĻŋ āĻāĻ˛āĻžāĻĻāĻž āĻŦā§āĻ¯āĻžāĻāĻā§ […]