AUGUST THREAD - updated regularly

AUGUST THREAD - upto 12

1)1<2 style=""> col b
x^3 7.9
2)m n are positive integers.
col a: col b:
1/(2m)^n^m 1/2^mn

3)diameter of a circular region of area 4pie is used as unit of length how many units of lenghts is diameter of a circular region of area 100pie
5
10
12 1/2
20
25

4)ABC is a triangle AC is the base angle B=60,c=45 and a perpendicular is drawn from A to bc and AB=1
col A col B
BC sqrt3

5)which of the following cannot be t factor of 2^n . 3^k n and are pos integers
6
8
27
42
54
ans:42

6)g(x)=3^x-1 - then find g(x+1)-g(x)/2

7)A triangle was given ABC WITH ANGLES 50 AND 40.A DIAGONAL LINE IS DRAWN AT THE CENTRE
COLA: COLB:
lenght of AD {AD IS LOCATED AC} B/N LENGHT OF AB
8)x+y=8 and xy=12 thn column A x(1+y)+y column B 20

9)There are 24 oranges in 1 bag.and 8 bags in 1 box then how many dozens in 24 boxes.

Ans) 1 bag contains 2 dozens
1 box contains 2*8=16 dozens
24 boxes contains 24*16=384 dozens
10) a sphere with a radius of r=1 metre....it is revolving around its vertical axis and completes one rotation in 1 second.....find the speed at which it is rotating and it is in the range of
a)0 to pie
b)1 to pie
c)0 to 2pie
d)1 to 2pie

11) there are "r" sections and each section is divide into "t" no. of fields and Beth n Jordan water these fields everyday ...if on Monday Beth does his share of watering and also 1/3 of Jordan’s work.......then
column a column b
beths normal share rt/4of work

12) ann deposited $10,000 for x yrs at an interest of 6%.... while David deposited $ 12,000 for y yrs at interest of 4.5%......
col A col B
amnt ann earned amnt david earned
Ans) as column a : 10000(1.06)^x
and column b: 12000(1.045)^y

13 )A CIRCLE WAS INSCRIBED IN A SQUARE.AREA OF SQUARE IS 36PIE.WHAT IS THE AREA OF CIRCLE.

14) n>1
colA colB
115n 215(n-1)
ans) is D

15) z>y>x>1
colA colB
z(x+y+1) y(x+z+1)
A

16) A()B=-A^2B then find 2()-1
problem on symbol
ANS) -1/4

17) 1)5<9><-12 col A col B
/x/ /y/

18) colA col B
2^7 *5^4 10^4*2^3

19)A put his amount on x percentage of interest while B put some amount on x/2 percentage of interest .A getting d dollars as interest and B getting 2d dollars on interest..(This was long narrated Q. I have written in brief)
colA colB

1 amount of an amount of B

20)A put his amount on x percentage of interest while B put some amount on x/2 percentage of interest .A getting d dollars as interest and B getting 2d dollars on interest..(this was long narrated Q. I have written in brief)
colA colB

amount of A amount of B
ans) the prin. of A nd B be A & B

d=AX/100
nd
2d=BX/200

B is the correct answer

21) 1,1,11 2,2,22
colA colB

s.d of first set s.d. of othr set
ans B

22) In a plane ,given l and n lines are parallel. given n equation as 2y+3x=4
then what is the slope of m?

23) A circle is inscribed in a square.
col A colB
diameter of circle diagonal of square

24) a line and circle lie in a single plane......the line passes through the circle.......
column a

it meets the circle at no.of points

column b
2

25) word problems-----like ther is some company...it produced 30% new products last year.in that 60% were sold.what is the % of new pproducts didnt sold?

26)6root pie is the side of square
3root pie is radius of cirle
pie*r^2 ll give u circl's area.........

z= [(123)^4]-[(123)^3]+[(123)^2]-(123)

if z is divided by 122 what is the remainder?

0....1....2....3....4

Ans: 0