Q1) The ratio of the areas of the in circle and circum circle of an equilateral triangle isa) 1: 4b) 11:9c) 12:1d) 11:3Q2). A circular road runs round a circular ground. If the difference between the circumference of the outer circle and inner circle is 44 meters, the width of the road is.a) 7mb) 11mc) 22md) 44mQ3). A rectangle plate has an area of 80 sqm. If its length is 5 times than the breadth,...

pyrexia1988

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• Jul 1st, 2010

For Equilateral traingle centroid is the centre for both the circles, if we consider the heigh of tri the incircle has radius equal to height from base to centre whis 1/3 rd of height and for circumci...

anand_daiict

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• Jul 22nd, 2008

Answer is a

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Q1). The length of rectangle is increased by 15% and its breadth is decreased by 15%. The are of new rectangle is a) Decreased by 15%b) Decreased by 2.25%c) Increased by 15%d) Increased by 2.25%e) Neither increased nor decreasedQ2). Two trains are running at 60 km/hr and 40 km/hr in the same direction. Fast train completely passes the man sitting in the slow train in 36 seconds. The length of the fast...

Amogh

• Sep 8th, 2011

1) B
2) A
3) WRNG QUES
4) E
5)E
6) E
7) D
8) B
9) E
10) B
11) R
12) A
13) E
14)B
15) D

anand_daiict

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• Jul 22nd, 2008

Area will decreased by 2.25%.

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