Paper 3

SET I:

1. 10^23-7 is divided by 6, remainder is? (ans 3)

2. if x+y+z =1. then xy+yz+zx is (ans-a)

a)< 1/2

b)> 1/2

c)=1/2

3. 5 questions based on venn diag Check from R S

Agarwala. Like Some people eat mangoes and apples, some eat only

apples..then how many eat only....

10. Spped of river and boat given and ........

11. Find circumference of circle, 2 people start at

one point and reach a pt whose dist is given. Then

again from there they start and agian reach a pt whose

dist is given .



12.nos from 1 to 100.

a)find all the nos which r divisble by 3,9,27

b)at least 2

c) only 2

d) none

13. 3 balls inside a bag having nos on it written 1,

2, 3 on it. fa ball is taken and then put inside it.

Find probability that all 3 nos r the same when it is

taken 3 times

14.2 consequtive odd nos..multi is -1 find out sum ..

ans:0

15. few days ago lady celebrated her 36th

birthday.....

ans:even no

SET II:

1)sqrt of (pq)=8,then ans--p+q =1 is not possible



2)qulateral triangle of 10 units.cow is tethteded with

a rope of 7 units at one of the vertices.area covered

is ---77/3

3)sum of 50 terms of series 2+3-5+2+3-5........... ans

--5

4)a no is abc.sum of factorial of the three digits is

the no itself.then b==?;a>0

ans---2

5)when x is divisible my 299 reminder is 100.then x/23

leaves reminmder ? ans---8

6)2 groups a&b; a guy jumps from gp A to gp B and both

the average wts of groups increases.then avg wt of gp

A>that guy>av wt of gp

B.

7)relation: (7^2^3). > (7^2)^3



8)train speed 36kmph.dis travelled in 3 mts==1800mts.

9)no of all possible 6 digit nos using 1,2,3,4,5,6.

which r not divisible by 5

ans--600

10)x=1.5,2.5,2,... y= 9,25,.... relation btwen two.

ans--- y proportional to square of x.



11)20 kgs of fresh grape contain 90% water.dry grape

20% water.

20kgs of fresh grape == ans---2.5 kgs of dry grape.

12)least volume . given four ans ---- cuboid

13)question on akbar,amar,antony ans-----antony



14)population is 20000.10% inc for every year.pop

after 3 years......26620.

15)dis bt 2 points. a&b is given.a starts at 9 and b

at 10 with twice speed of a.both cover 1/4 distance in

i hr.how much time it will take for a to cover entire

distance...

ans ---8hrs.

16)each soldier has 2 horses.....

ans ---indeterminent.

17)entry fee is rs. 1. 3000 went to park. each ride rs

. 1.....800 all three.1400 atleast two rides.total

collected 7200.

no of people -no ride

ans ---- 1000

18)a,b,c, do work in 12,20......

ans---- 8 days.



19)m div by 5, n div by 5. then which is wrong ans--

m+n div by 10.

20)1771+1773+1775+1777... .reminder when divisible by

6 is.(1+3+...) ans is 7.

21)cube of side 5 painted in blue on all its faces.cut

into i unit cubes.probability that 2 sides painted is

... 36/125

22)a>0;b<0. then

ans---a-b>0.

23)a 25% > than b.b 20% < c.. then relation...



24)a cone and sphere has same radius.if sphere is kept

in cone then the part goes in cone is

ans--- less than

half.

25)marks got in 5 papers is 6:7:8:9:10.total obtained

is 60%. 50% is pass. then no of sub he passed is

ans--4

26)wich is not correct... a)cube of 343 b) etc

........

ans--- none of these.

27)15c6+15c7+16c8=== 17cx then x== 8 or 9. n c r + n c

r-1 = n+1 c r. and n c r === n c s if and only if r=s

or r +s =n;

28)three men invested sum. and their ratio is 5:7:6.

profit is 5400.then b's share

ans--2100



29)sum of all 5 digit nos formed using 1,3,5,7,9.

ans---6666600 (11111+33333+55555+77777+99999)*24. each

digit occupies all the places for 24 times.

30)x and y even nos. x > y which is even. a)x+y b)x-y c)

2x/y (not)

31)1/2 divived by 1/2 of 1/2 ) whole divided by 1/2

+1/2 of 1/2
ans----- 2 2/3. or 8/3.



rime