Paper 4

32) trees of heights 30 and 40 sepatated by a river.
fish in the river is at equal dis from top of the
trees where two boirds r there.ratio of the distances
from fish to the root of the tress

ans--- 4:3.

33)which one of the following will have least volume

a)cube b)cuboid c)sphere d)cylinder

(the dimensions of each are given)

ans-----cuboid with

l=2,b=5,h=10

34)three cones (r=r,l=2r)are arranged upright so that
each cone is in contact with other two .and a circle
is formed passing through its vertices.what will be
its radius.



SET III:



1. What number must be added to 1/x to make it equal to x.

Ans. (x2-1)x

2. Some pers bought something at loss for Rs 60.He
then sold it the price of 81 and his profit was 20%
of the loss.At what price did he buy the object.

Ans. calculate.

3. age problems easy
father age, elder son age and yonger son age releation
given u have to tell father age?

4. Km/hr and time distance problem sone person start
run on 11am. with 4 Km/hr and another man
start at 1:30 pm with 1 km/hr in first hr,2 kph in the

2nd hr and so on. at what distance they will meet.??
4)one disk of 20cm radius, out of that 4 disk of 5cm
are cut ,find diffrence of leftout and cut out area:

5) (X)+(1/X)=3 then (xsquare) + 1/(Ysquare) = ??
6)see divisibilty rules??

which no is divided by both 9 and 11??

7)only one question of this type
p,q,r,s, 4 statments r there , if p is true hen q is
true, if q is true then r is true, s is true then at
least of q and r should false then what is correct ??/

8)a box contain 4 small bos, each small box again
contain 3 box,again these box contain 2 box . total

how many boxes ?

9) between 100 to 200 how many no are divisible by
both 3 and 2 and 100,200 are i1. If x+y+z=0 then the
value xy+yz+zx= i)<1/2, ii)>1/2, iii)=1/2, iv)none of these.

SET IV:

2. How many two digit no you make by 1,2,3,4,0 Ans=16
because 0 is not in the 10th place.

3. 1-100, how many number cannot divide by any of 3,9,27

4. How many number divide by any of 3,9,27

5. How many number divide by only any of 2

6. How many number divide by any 1

7. Other one Q related it. I forget it.

8. (25...) 32 and (25....)31 in both cases 6 in the

last position. What should be in the blanks?

Ans 6 as

6*6=36, 6*6*6=216

9. In a GD there is no restriction in saying something

between the participants. A, B, C, D, E be the

participant. What's is probability to say B before A.

i) 20%, ii) 40%, iii) 50%, iv) none of these. Ans.50%.

10. You have only 1 kg weight. You have to weight

31kg. Min number of measurements you have to done.

Ans. 5 as 1+2+4+8+16=31.

11. Min (a, b, c)=min of a, b, c Max (a, b, c,)=max of

a, b, c then what is the value of MAX {min (2,5,7),

max (-7, -2, -3), 3} thus.

12. The product of two consecutive odd no is -1, then

what is the value of the sum of them. Ans. 0 as -1*1

becomes -1.

13. 5 or 6 easy Vane Diagrams

19. In a box there's 3 cubes numbered 1,2,3. What is

the probability to pick up any one ball all the three

time by replacing it to others? Ans. =1/3*1/3*1/3=1/27



20. Few years ago on 31st January on her 26th birthday

a lady laid a baby. Now what's the sum of their ages?

i) 37, ii) 38, iii) 43, iv) 51. I am confused about

the answer. It may be any even no. as (26+x)+x. So I

think it are 38.

25. 81*82*83*84*85*86*87*89. What should be in the

unit place in this product? Ans. It must be 0 as

5*2=10

26. What is the value of p in the equation

(15X2-pX+120)=0 if the one root of is must be the

double of the other. Ans. May be 90 as the roots are

30,60.

27. Two trains P Q starts from A and B respectively

towards each other. After 1 hour of starting of P Q

starts and after sometime both of them covered the

1/4th of the total distance of AB. In how many times Q

cover the total distance. I forget the Question. But

the ans. May be 8.

28. In a company ones salary increases 6/5 times in

every year. After 4 year of joining average salary is

1342. Then what's the starting salary of the company?

A) 900, b) 1000, c) 1100, d) 1200.

B) Ans.= 1000



29. Perimeter of an equilateral and isosceles is 45

and 40 respectively. At least one of the sides of

isosceles is equal to the equilateral. What's the base

of isosceles triangle? Ans. 10. As. 45/3=15.

15+15+10=40.

30. 3000 students went to visit to a park. The entry

fee re.1. There are three

rides................................ Profit of

authority is Rs. 7200... Ans. 1000.

31. Two people P Q start a race in a circular track in

opposite way different but constant speed. First they

meet 900m cw from the starting pt. Then they meet 800m

ccw from the starting pt. What's the circumference of

the circle.nclusive?

GD topics in j.u.:

Arrange marriage and love marriage

Terrorism

Coco cola & pepsi recent prob

Advantage & dis advantages of campus interview

social c