Pythagoras & Apollonius Theorems

by Editorial Team -

Year by year CAT aspirants face surprises and going by previous year trends, CAT 2018 might also give you some new surprises hence, a solution to handle toughness of CAT is that you should practice with relevant questions with solution.

Please attempt following question and apply solution for practice:

Question

There are two concentric circles of radii 7 cm and 8 cm. PQ, a diameter of the larger circle, cuts the smaller circle at S and T. A tangent drawn from Q touches the inner circle at R. What is the length of PR (in cm)?

Solution

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IMI New Delhi Admissions open for PGDM / PGDM(HRM) / PGDM(B&FS) at IMI New Delhi. Last date to apply is Dec 3rd, 2018.	Birla Institute of Management Technology (BIMTECH) BIMTECH Admissions Open for 2019.
XIMB, XUB XIMB, XUB Admissions Open for 2019 at Xavier Institute of Management. Last date to apply December 7th, 2018.	MDI Gurgaon Admissions Open for PGPM \| PGPM-HRM \| PGP-IM 2019 at MDI Gurgaon. Last date to apply November 23th, 2018
MICA Admissions open for PGDM-C 2019-2021.	Goa Institute of Management Admissions open for 2019-2021 at GIM. Last date to apply is November 30th, 2018
SDMIMD Admissions open for PGDM 2019-2021 at SDMIMD.	IMT Ghaziabad Admissions open for 2 Year PGDM and MBA programs at IMT Ghaziabad- Application Deadline is November 22nd, 2018
ICFAI Business School ICFAI Business School Accepting Applications for IBSAT 2018	Lal Bahadur Shastri Institute of Management (LBSIM) Admissions open for 2019 at LBSIM, New Delhi. Last date for applying Dec 15th, 2018
TAPMI Experience@TAPMI Admissions Open for 2019	MDI Murshidabad Admissions Open for PGP 2019-21 at MDI Murshidabad
SIBM, Bengaluru Admissions Open for MBA 2019-21 at SIBM, Bengaluru	XLRI XAT 2019 Registration, Application Ends on November 30th, 2018. Exam Date January 6th, 2019