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sajid 12 years ago

If x increases linearly, how will a-x behave (a>1) ?

a. Increase linearly
b. Decrease linearly
c. Increase exponentially
d. Decrease exponentially

Reply Like? Yes (1) | No

harshit 12 years ago

b decreases linealy

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sajid 12 years ago

What is the value of the following expression: 2 log10 5 + log10 4 ?

a. 2
b. 2.5
c. 3
d. None of these

Reply Like? Yes (1) | No

soumya ranjan mishra 12 years ago

ans is 2. 2log5+2log2=2log10=2

Like? Yes (3) | No

sajid 12 years ago

Which pair of rational numbers lie between 1/5 and 2/5 -

a. 262/1000, 275/1000
b. 362/1000, 562/1000
c. 451/1000, 552/1000
d. 121/1000,131/1000

Reply Like? Yes | No

Anandeeswari 12 years ago

1/5 and 2/5

==> 1*200/5*200 and 2*200/5*200
==> 200/1000 and 400/1000

Answer a. 262/1000, 275/1000

Like? Yes (1) | No

sajid 12 years ago

If 2505 / 0.5 = 5010 then 25.05 / 0.5 = ?

a. 5.010
b. 50.10
c. 501.0
d. None of these

Reply Like? Yes (1) | No

pushpa jyothi 12 years ago

b 50.10*0.5=25.05

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Ravi Kumar Mishra 12 years ago

(b)25.05/0.5=5010*10^-2=50.10

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sajid 12 years ago

The letters of the word WOMAN are written in all possible orders and these words are written out as in a dictionary ,then the rank of the word 'WOMAN' is

a. 117
b. 120
c. 118
d. 119

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pushpa jyothi 12 years ago

B 5c1*4c1*3c1*2c1*1c1

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Anandeeswari 12 years ago

answer.........

a.117

Like? Yes (1) | No

Uddhav Ghodake 12 years ago

answer is......................

a.117

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shivani 12 years ago

answer is 119...

Like? Yes | No (2)

sajid 12 years ago

If x% of a is the same as y% of b, then z% of b is :

a. (xy/z)% of a
b. (yz/x)% of a
c. (xz/y)% of a
d. None of these

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Bhavini Toprani 12 years ago

ans is c..(xz/y)%of a..

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Ravi Kumar Mishra 12 years ago

Like? Yes (1) | No

shivani 12 years ago

ans is (xz/y)a..

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sajid 12 years ago

The arithmetic mean of 2 numbers is 34 and their geometric mean is 16. One of the numbers will be

a. 4
b. 16
c. 18
d. 12

Reply Like? Yes | No

Ravi Kumar Mishra 12 years ago

(a)as arithmetic mean is a+b/2 here a and b are numbers
so a+b/2=34 and gm (ab)^1/2=16 by solving these eqn a=4,64

Like? Yes (3) | No

sajid 12 years ago

. Three consecutive whole numbers are such that the square of the middle number is greater than the product of the other two by 1. Find the middle number.

a. 6
b. 18
c. 12
d. All of these

Reply Like? Yes (1) | No

NavKumar 12 years ago

x,x+1,x+2...
(x+1)^2=x*(x+2)+1
x^2+2x+1=x^2+2x+1
so any set of intiger will be the ans.
(d)...

Like? Yes | No (1)

sajid 12 years ago

Pipe A takes 16 min to fill a tank. Pipes B and C, whose cross-sectional circumferences are in the ratio 2:3, fill another tank twice as big as the first. If A has a cross-sectional circumference that is one-third of C, how long will it take for B and C to fill the second tank? (Assume the rate at which water flows through a unit cross-sectional area is same for all the three pipes.)

a. 66/13
b. 40/13
c. 16/13
d. 32/13

Reply Like? Yes (2) | No

sajid 12 years ago

. In a kilometre race, if A gives B a 40 m start, A wins by 19 s. But if A gives B a 30 s start, B wins by 40 m. Find the time taken by B to run 5,000 m?

a. 150 s
b. 450 s
c. 750 s
d. 825 s

Reply Like? Yes | No

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