# beginners thread- common doubts cleared

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for concept clearing and to learn short trick approaches

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Time and Vistamind cat Material - Bangalore

Hi guys, I am selling my complete set of Time cat materials with handouts and magazines and also complete set of Vistamind cat material at a very less price.

If anybody is interested please ping me in whatsapp on 8892045956

vinay
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CAT 17: 91.71 || CAT 18: 93.21
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@vishiac brother...... Happy New Year..... Check ur inbox... 😘😚😘😚😘😚 Happy New Year🌟。❤。😉。🍀 。✨ 。🎉。🌟 ✨。＼｜／。💫 Happy New Year 🌟。／｜＼。🍻 。🍀。 🍸。🎉。 🌟。 💫。 🎶 💥 To all members....

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@deizi  ·  350 karma

Happy New Year to all.... This thread means a lot to me. 😊

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A shopkeeper sell his goods at its CP only. But still he manages gain a profit of 40% because he has manipulated his weights. Find how many grams he is actually selling at the place of 1000 grams.  (Please anyone who can explain the method to solve?)

@baredi  ·  223 karma

@deizi 5000/7=714.xxkg approx

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@vivek1003  ·  14 karma

@deizi 5000/7 ans let cp of 1 gram be 1 rs let he is selling x gram which cost him x rs but hell sell at rs 1000 so 1000-x/x=0.4

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A, B, C can do the work in 10 , 15 , and 20 days respectively. The total wages given to them is Rs 24000. They together start the work and after some days C left the work then B gets Rs 8000 more than C find after how many days C left the work? ?

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Can I get a list of good mba colleges with considerably low fee structure?

@shubham2341  ·  768 karma

@ruchika1524 Sydenham Institute of Management Studies, churchgate, Mumbai. Best ROI after FMS. Course fee-Rs. 67,000/- annually + Rs. 2000/- Library Fees (Refundable).

@deepk0043  ·  93 karma

@ruchika1524 IIT'S AND NIT'S also offering MBA degrees , selection is through CAT , fees is very less , and i think arround 30-40k is this , and have very good placement my advise is prefer govt. Collegesrather than choosing private one

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3y2 + 70y + 40 = 0

How to find roots of this equation?

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@mayuri1012  ·  4 karma

(y+10) (3y+4) = 0

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A ship is 77 Km away from shore and there is hole in the ship which pumps inside 2 & 1/4 tons of water in 5& 1/2 minutes. There is a motor which pumps out 12 tons of water in 1 hrs. If a rescue ship started from shore at a speed of 6kmph, in what speed the ship should move to catch the rescue ship before it sinks which requires only 69 tons of water?

@mayur_aroraIIM Bangalore  ·  9,273 karma

@rv95825 @Mr_Dip Amount of water getting in per hour = (2.25/5.5)*60 - 12

= 12.5454545

It will take 69/12.5454545 hours for ship to sink. = 5.5 hour.

Hence 77 kms needs to be covered in 5.5 hours, ie at 14 kmph.

Hence 6 +  speed of ship  = 14

speed of ship  = 8 kmph

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@Mr_Dip  ·  1,357 karma

@mayur_arora Got it. Thank you 🙌🙏

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Any one explain 79th question

@mayur_aroraIIM Bangalore  ·  9,273 karma

@GHILLIDHARANI Let a cube has edge of 10 cm

Then volume = 1000 cm^3

Now, the edge of the cube becomes = 7 cms

Vol = 343 cm^3

Decrease % in volume = (1000-343)*100/1000

= 65.7 %

@GHILLIDHARANI  ·  0 karma

Thanks g

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A and B started a business by investing Rs 29X and 82000 respectively. If A receives 20% profit in salary and part of A is more than part of B. The full benefit is divided according to its investment and B gets 5200 more than A. If the income of A and B is 16800 and 11200 then X =? @mayur_arora @summi_arora @vishiac Help me 🙏

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