arun and rohan started running simulteneously from diametrically opposite points on an 8km circular track.Exactly at the end of the 24th minute ,arun overtook rohan for the second time.had they started from the same point and run in opposite directions they would have met for the first time at the end of the 12th minute.find the speed of arun in kmph
could somebody please explain the solution
A grid of lines comprises 21 equidistant lines parallel to the x axis and 31 equidistant lines parallel to the y axis. A straight line is now drawn from one corner of the grid to the diagonally opposite corner. At how many distinct points does the diagonal line intersect the lines in the grid?
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Using the property that exterior angle of a triangle is equal to the sum of opposite interior angles.
SIMPLE TEASER: When A was born, B was 210years old. When A was exactly 300years, B died.. In those 300years, how many times B's age was exactly divisible by A's age
5 men working 8 hours a day can finish work in 12 days and 8 women working 7 hours a day can finish the same work in 15 days. In how much time can 6 men and 7 women can finish the same work, all working 10 hours a day.
options: 4 days 8 hours
ii) 4 days 18 hours and 36 minutes
iii) 4 days 19 hrs 12 minutes
A watch dealer produces 1500 watches, the production cost per watch being Rs.150. He also incurs an additional expenditure of Rs.30000 which is independent of the number of watches produced. He sella all the watches such that for a certain number of them, he makes a gain of 20% and for the rest he incurs a loss of 20%. If he makes an overall gain of 4/3% in the whole transcation, then how many watches did he incur loss?
options: 700
ii)800
Explanation please!
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I calculated 149 but the answer is '159'.
please provide solution
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Does anyone have video solutions to last year's SIMCATs?
Already have Ims, would like to buy one more, which one should I?
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How to solve this?
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A watch dealer produces 1500 watches, the production cost per watch being Rs.150. He also incurs an additional expenditure of Rs.30000 which is independent of the number of watches produced. He sella all the watches such that for a certain number of them, he makes a gain of 20% and for the rest he incurs a loss of 20%. If he makes an overall gain of 4/3% in the whole transcation, then how many watches did he incur loss?
iska anse nhi aa rha hai mene aise solve kiya hai
.....Production cost=1500*150=Rs.225000+30000==255000 now 4/3% gain in whole transaction means 255000*3/400=Rs.3400 SP=Rs.255000+3400=Rs.258400 now using equation 1500-x*180+x*120=258400 but no getting where x is the number of watches sold
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Last two digits of 72^79. Need the approach using CRT?
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