Arithmetic for CAT 2013

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Will post only Arithmetic Questions in this thread..Here is the 1st one A and B have,between them,Rs 1200. A spends 12% of his money B spends 20% of his money. They are left with a sum which constitutes 85% of the whole sum. Find out what am...
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please slove this .

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There are four beakers B1, B2, B3 and B4 with 2%, 4%, 6% and 8% milk solutions respectively. From each of the four beakers, some amount of mixture is taken out and poured into an empty beaker B5. B5 now has a solution of 5% milk. Read the two statements given below and mark the correct answer.

I. Amounts of mixtures taken from B1 and B4 are not equal.

II. Amounts of mixtures taken from B2 and B3 are equal.

If Statement I is false, Statement II has to be false.
If Statement I is true, Statement II has to be true.
If Statement I is false, Statement II has to be true.
It's amazing what you can accomplish if you don't care who gets the credit.
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the cost of production of a 50 kg bag of cement is rs. 90 and it sold of rs 120. the govt. imposes a tax of 10% on the cost of production. if the govt. changes its policy and levises the 10% tax on the selling price instead of cost price , by what percent does the profit decrease?( assume selling price is unchanged)


Kindly come up with approch..lookroundlookround
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Q) If the sum of first n terms of A.P is P*n+Q*n^2 , where P and Q are constants, then common difference of A.P will Be..
Ans> 2Q (How?)

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Simple Alligation and Mixture question. Amount with A is Rs.750.

Khan
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Will post only Arithmetic Questions in this thread..Here is the 1st one


A and B have,between them,Rs 1200. A spends 12% of his money B spends 20% of his money. They are left with a sum which constitutes 85% of the whole sum. Find out what amount is left with A
(a) Rs 750
(b)Rs 800
(c)Rs 700
(d)Rs 660
1 comment
sandy8.ms
@sandy8.ms  ·  0 karma

can someone give the way to solve please?

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