In ∆ PQR, ∠Q= 90°, PQ = 8 cm and QR = 15 cm. The bisector of ∠P of meets QR at D. What is the length of PD HomeQuantitative aptitudeIn ∆ PQR, ∠Q= 90°, PQ = 8 cm and QR = 15 cm. The bisector of ∠P of meets QR at D. What is the length of PDquantitative aptitudeIn ∆ PQR, ∠Q= 90°, PQ = 8 cm and QR = 15 cm. The bisector of ∠P of meets QR at D. What is the length of PD? Sol:
In a class, 15% of total number of students failed in Science, 25% of total number of students failed in Maths and 10% of total number of students failed in both. How much percentage of students passed in both Maths and Science?