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SAHIL DIWAN to Ann Theressa 11 years ago

Arrange in ascending order of profit
1. A good is sold 20% higher then its c.p
2. 800 gram instead of 1 kg by using false wet is sold at cost price
3. 20% impurity is added then mixture is sold at cup
4.10% less wet is sold at a profit of 10% on cp

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SAHIL DIWAN 11 years ago

Rahul walks down an up-escalator and counts 150 steps. Aarav walks up the same escalator and counts 75 steps. Rahul takes three times as many steps in a given time as Aarav. How many steps are visible on the escalator?

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SAHIL DIWAN to Ann Theressa 11 years ago

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SAHIL DIWAN to Ann Theressa 11 years ago

Ram always walks down on a moving escalator to save time. He takes 50 steps while he goes down. One day due to power failure of 10 secs(when the escalator comes to a halt) he takes 9 secs more than usual time to get down.Find the visible steps of the escalator!

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SAHIL DIWAN to Ann Theressa 11 years ago

A woman is walking down a downward-moving escalator and steps down 10steps to reach the bottom. Just as she reaches the bottom of the escalator, a sale commences on the floor above. She runs back up the downward moving escalator at a speed five times that which she walked down. She covers 25 steps in reaching the top. How many steps are visible on the escalator when it is switched off?

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Ann Theressa 11 years ago

Let s be the number of steps on the escalator.
Let a be the speed of escalator and b speed of woman.

The time while the woman moves down 10 steps equals the time that the
escalator moves s-10 steps.
(s-10)/a = 10/b ----(1)

Also the time that woman moves 25 steps equals the time that the escalator moves (25-s) steps.
(25-s)/a = 25/5b ----(2)

(1)/(2) gives
(s-10)/(25-s) = 2
Solving s = 20 steps

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SAHIL DIWAN 11 years ago

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SAHIL DIWAN 11 years ago

plzz send mei elitmus questions to cse.sahil92@gmail.com

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ER. SAHIL
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Haryana

Sahil diwan (M)

Total Points 212
Join 11 years ago

M4 Score

Score from best 50 Questions

Attempted 17
Date Points

30 Jun 14 15
04 Jul 14 17
07 Jul 14 15
08 Jul 14 19
09 Jul 14 -1
10 Jul 14 -1
11 Jul 14 15
14 Jul 14 15
15 Jul 14 15
17 Jul 14 15
21 Jul 14 19
22 Jul 14 15
23 Jul 14 16
24 Jul 14 15
25 Jul 14 -1
05 Aug 14 -1
06 Aug 14 15

Total 202
M4 Score202 / 10 = 20

GIMT,Kanipla,Kurukshetra

Today's Puzzle Report

Puzzle Attempts17
Total Puzzle Points 202

Placement Puzzle Report

Question Ask 1
Best Solution 0
Solution 0

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