Thread:Balu.ur/@comment-25501845-20141110152352

Today, I had coaching for my upcoming PSA (Problem solving assesment test), which contains lots of funny and trick questions from all subjects(except language, that is Hindi, and Malayalam). I have a hand book of it, and started solving Maths. I have answer key with me, but I want how to get it ;) i got a few of them but I want to clarify the answers and steps.

But, I am really confused by Percent, and Interest So, my dear friends I need your help.

Well, the questions are tricky but please help me (Iam glad to have you guys around)

''Thanks ! Here are the questions.''

 1) Area of triangular surface is calculated as 1/2 * altitude (height) * base. If altitude of a triangle is increased by 5% and the base of the triangle is increased by 7%. What percenage would the area of the triangle increase?

a)3.33%

b)6.00%

c)12.00%

d)12.35%

2) Starting at 12:00 noon and moving until 10 minutes past 5, the hour hand of a clock has turned through

a)145 degree

b)150 degree

c)155 degree

d)160 degree

3) Read the given statement :- (This is confusing)

1.20% of doctors are surgeons.

2.The remaining are physicians.

3.10% of the physicians are neurologists.

What percentage of doctors are neurologists?

a) 2 b) 8 c) 10 d) 20

4) Raman bought 5 flower pots of three different sizes for total of Rs.290/-. Each pot costs 50% more than the next one below it in size. What was the cost of the largest flower pot? (This is really hard, at least for me)

a) Rs.80

b) Rs.90

c) Rs.75

d) Rs.60

5) Ramu is a gardener who pulls water from an underground tank of diameter 7meter to irrigate his garden. If he pulls up 200 buckets of total water, then water level falls down 10centimeter in the tank. What is the capacity of the bucket in litre. (Note - volume of cylinder = pi*r^2*h)

a) 10 litre.

b) 15 litre.

c) 16 litre.

d) 19 litre.

''Thank you once agian for keeping a few minutes for my silly questions ! =)'' 