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[A] 45 [B] 60 [C] 75 [D] 50
66. In triangle PQR, C is the centroid. PQ = 30 cm, QR = 36 cm and PR = 50 cm. If D is the midpoint of QR, then what is the length (in cm) of CD?
बत्रबजु PQRभें,Cकेन्द्रक है। PQ=30से.भी,QR=36से.भी औय PR=50से.भी हैं। मदद D, QR का भध्म बफदॊ ु है तो CD की रम्फाई(से.भी भें) क्मा है?
19 February 2018 SSC MAINS
[A] (4√86) /3 [B] (2√86)/3 [C] (5√86)/3 [D] (5√86)/2 67. In the given figure, AQ = 4√2 cm, QC = 6√2 cm and AB = 20 cm. If PQ is parallel to BC, then what is the value (in cm) of PB ?
दी गमी आकृनत भें,AQ=4√2से.भी है,QC=6√2से.भी औय AB=20से.भी है। मदद PQ, BC के सभानातॊ य है, तो PB का भान (सेभी भें) क्मा है?
19 February 2018 SSC MAINS
[A] 8 [B] 12 [C] 6 [D] 15
68. In the given figure, if AD = 12 cm, AE = 8 cm and EC = 14 cm, then what is the value (in cm) of BD ?
दी गमी आकृनत भें मदद AD=12सेभी,AE=8सेभी औय EC=14सेभी है तो BDका भान (से.भी भें ) क्मा है? 19 February 2018 SSC MAINS
[A] 50/3 [B] 15 [C] 8/3 [D] 44/3
69. An equilateral triangle of area 300 cm2 is cut from its three vertices to form a regular hexagon. Area of hexagon is what percent of the area of triangle?
190