Page 209 - sscbbb
P. 209
[A] 67.5 [B] 72 [C] 78.5 [D] 65 37. In the given, two identical circles of radius 4 cm touch each other. A and B are the centres of the two circles. If RQ is a tangent to the circle, then what is the length (in cm) of RQ?
दीगमीआकृनतभें,दोसभानित्ृ तजजसकीबत्रज्मा4सेभीहैएकदसू येकोस्ऩशणकयतेहै।AऔयBदो ित्ृ तोंके केंद्रहै।मददRQित्ृ तऩयस्ऩशणयेखाहै,तोRQकीरम्फाई(सेभीभें)क्माहै?
17 February 2018 SSC MAINS
[A] 3√3 [B] 2√6 [C] 4√2 [D] 6√2 38. The radius of two circles is 3 cm and 4 cm. The distance between the centres of the circles is 10 cm. What is the ratio of the length of direct common tangent to the length of the transverse common tangent?
दोित्ृ तोंकीबत्रज्मा3सेभीऔय4सेभीहै।दोनोंित्ृ तोंके केन्द्रोंके भध्मकीदयू ी10सेभीहै।उबमननष्ठ अनस्ु ऩशणयेखाकीरम्फाईकाअनप्रु स्थअनस्ु ऩशणयेखाकीरम्फाईसेअनऩु ातक्माहै?
17 February 2018 SSC MAINS
[A] √51 :√68 [B] √33 :√17 [C] √66 :√51 [D] √28 :√17
39. In the given figures, ABCD is a square of side 14 cm. E and F are mid points of sides AB and DC respectively. EPF is a semicircle whose diameter is EF. LMNO is a square. What is the area (in cm2) of the shaded region?
दीगईआकृनतभें,ABCD,14सेभीकीबजु ािाराएकिगणहै।EऔयFक्रभश:बजु ाABऔयDCके भध्म बफदॊ ु है। EPF, एक अधिण त्ृ त है जजसका व्मास EF है। LMNO एक िगण है। छामाकॊ कत ऺेत्र का
ऺेत्रपर (सेभी 2 भें)क्मा है?
17 February 2018 SSC MAINS
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