quantitative aptitude for beginners - common doubts cleared by PG QuantguruVISHIAC

for concept clearing and to learn short trick approaches

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Pipe A takes 3/4 of the times required by pipe B to fill the empty tank individually. When an outlet pipe C also opened simultaneously with pipe A and pipe B it takes 3/4 more time to fill the empty tank than it takes when only pipe A and pipe B a...
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@SUCCEED1ST @SUCCEED1ST  ·  3h

@vishiac . K...... I never find mathematics has this much.. I mean great methods of ur own...

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Vishu Pai @vishiac  ·  3h
@SUCCEED1ST bro mathematics evolved from thoughts... To make it easy to understand, people made theories and methods... So if ur thoughts are like water then u dont need methods at all to solve ... people always...
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For mixed tennis match, 4 couples were present.how many matches can be played when no couple can be in a particular team.

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@SUCCEED1ST @SUCCEED1ST  ·  7h
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@SUCCEED1ST @SUCCEED1ST  ·  10h
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Vishu Pai @vishiac  ·  9h
@SUCCEED1ST The ratio of no. of pages typed by A and C in one hour = 1 : 4, Its given that B is exactly in between A and C , so B =2.5(exactly in between 1 and 4)..... So A : B : C = 1 : 2.5 : 4.....
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Pls solve A, B, C are 3 friends, B takes 2 days more than C to complete the work. If A started a work and 3 days later B joins him, then the work gets completed in 3 more days. Working together A, B, C can complete thrice the original work i...
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@SUCCEED1ST @SUCCEED1ST  ·  9h
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Vishu Pai @vishiac  ·  9h
@SUCCEED1ST 1st eqn 6/A+ 3/B = 1... 2nd eqn 6/A + 6/B +6/C = 3...... subtract 2nd eqn - 1st eqn, we get 3/B + 6/C = 2.... now its given B takes 2 days more than C to complete the work, So C = B - 2.....
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@SUCCEED1ST @SUCCEED1ST  ·  10h
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Vishu Pai @vishiac  ·  10h
@SUCCEED1ST B1 +B2 +B3 = 60 in one trip.... so if we consider 5trips, 5(B1 +B2 +B3) = 300.... 5B1 +5 (B2+B3) = 300, which is same as 5 trips by B1 alone and 5trips by (B2+B3)... making a total of 10 trips...
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@SUCCEED1ST @SUCCEED1ST  ·  11h

K..

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Vishu Pai @vishiac  ·  11h
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An amount will be tripled at 9% pa compounded anually after _____ years

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@SUCCEED1ST @SUCCEED1ST  ·  2d

@vishiac got it

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Vishu Pai @vishiac  ·  2d

@SUCCEED1ST so remaining 8(2/3) is done by a...

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