the sum of n terms of two AP's are in the ratio ( 3n+8) : (9n+6). find the ratio of their 12th term
in triangle ABC, D is any point on BC such that it bisects angle BAC and AB=CD and angle B= 2 angle C. find angle A
ABCD is a rhombus. AB is produced to F and BA is produced to E such that AB=AE=BF . Then ..
plz explain..
DOES ANYBODY HAVE 2013 TIER 2 REEXAM 123 SG 1 SET IN PDF,NEED IT PLZ I NEED THE FILE /LINK
any article is observed from three points A,B and C. all three points are on a straight line and this line passes under this article.Angle of elevation of this article at B is twice of at A angle of elevation at C is thrice of at A. If AB = a and BC =b, then height of the article
A swimming pool is fitted with three pipes with uniform flow..The first two pipes operating simultaneously, fill the pool in the same time during which the pool is filled by the third pipe alone.The second pipe fills the pool in 10 hours faster than the first pipe and 8 hours slower than the third pipe.Find the time required by the second pipe to fill the pool..@shawshanks
The average speed of a train is 20% less on the return journey than on the onward journey . The train halts for half an hour at the destination station before starting on the return journey. If the total time taken for the to and fro journey is 23 hours,covering a distance of 1000 km,the speed of the train on the return journey is? @shawshanks
A Plane left half an hour later than the scheduled time and in order to reach its destination 1500km away in time,it had to increase its speed by 33 1/3% over its usual speed..Find its increased speed? @shawshanks
The cost of food accounted for 25% of the income of a particular family..If the income gets raised by 20%,then what should be the percentage decrease in the food expenditure as a percentage of the total income to keep the food expenditure unchanged between the two years? @shawshanks
A circle with radius r has a chord PQ Whose length is 2a.the tangents drawn at point P and Q to the circle meet at T.then TP is explain
- ar/√r^2-a^2
- ar/√r^2+a^2
- r^2+a^2/r^2-a^2
- 2ar/√r^2-a^2
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A vessel is full of groundnut oil..one-fourth of the groundnut oil is taken out and the vessel is filled with mustard oil..If the process is repeated 4 times and 10 litres of groundnut oil is finally left in the vessel..What is the capacity of the vessel? @shawshanks
Ques: A triangle has sides 41cm , 41cm, and 18cm.A second triangle has sides 41cm , 41 cm and Xcm where X is a whole number not equal to 18.If both triangles have equal area then find value of x?
PLEASE HELP.....
AB is a straight road leading to C the foot of the tower, A being at the distance of 200m from C and B 125m nearer. If the angle of elevation of the tower at B be double the angle of elevation at A, then what is the height of the tower???
A dealer sells goods at 4% loss on cost price but he uses 28 gms instead of 32 gms. What is his gain percent?
Answer is : 9 5/7 % Gain
Can someone please tell me how to solve this?
Find the area of quadrilateral intercepted by straight lines 2x+y=6,4x+2y=25 between the axes @shawshanks
What is the height of triangle formed by straight lines 3x+y=10,2x-3y=6 and x-axis when x-axis is the base of the triangle?
the angle of elevation formed from a point at the top of a tree is 30* . find the angle of elevation formed at the mid pt. of the tree.