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If in cyclic quadrilateral PQRS , PQ is equal to 14.4cm , QR is equal to 12.8cm and RS is equal to 9.6cm. Also PR bisects QS then find the length of PS.

the cost price of 20 articles is same as the selling price of x articles. if the profit is 25% then the value of x is

In a triangle PQR, S and T are the points on PQ and PR. If ST is perpendicular to PR. If area of triangle PQR is 320 . PR=28, QS:PS=9:7, PT:TR =2:5, . Find length of ST?

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person A was given a job to completed in 20days. But after working for 5 days, he was asked to finish the job in total of 15 days. For this, he included person B to join him from the 6th day onwards such that they would be able to finish the job exactly at the end of 15 days. But after the 10th day, they were asked to finish the job in total 13 days. So, A included another person C who would join them from the 11th day onwards such that the work would be completed exactly at the end of 13 days. Had all three been working together from the beginning, how many days would they have taken to finish the job?

The average of 11 number is 68 the average of the first four number is 78 and the next phone number is 63 9th number. 2 X 11 number and 10th number is 4 less than the 11th number what is the average of 11th number?

how to prepare for GK for XAT,IIFT exams??

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ABCD is a quadrilateral such that AB=5cm CD=7cm BC=17cm and AD=25cm also LABC+ZBCD=270°. Find the area of quadrilateral ABCD?