Mathematics Test

Result

Mathematics Test - 8

Score
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Rank
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TIME Taken - -

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Weekly Quiz Competition

Question 1
1 / -0

A

B
20/3

C

D

Solution
Question 2
1 / -0

If AM of two numbers is twice of their GM, then the ratio of greatest number to smallest number is

A

B

C
21

D
5

Solution
Question 3
1 / -0

Three groups of children contain respectively 3 girls and 1 boy; 2 girls and 2 boys; 1 girls and3 boys. One child is selected at random from each group. The chance that the three selected children consists of one girl and 2 boys is

A
9/32

B
11/32

C
13/32

D
7/32

Solution
Question 4
1 / -0

A
$\sim p \land \sim q$

B
$\sim p \lor \sim q$

C
$(p \land \sim q) \lor (\sim p \land q)$

D
None of these

Solution
Question 5
1 / -0

A three digit number, which is a multiple of 11, is chosen at random. Probability that the number so chosen is also a multiple of 9, is equal to

A
1/9

B
2/9

C
1/100

D
9/100

Solution

Three digit numbers multiple of 11 are 110, 121,...,990 (81 numbers). Now number also divisible by 9 are divisible by 99. So, numbers are 198, 297,...,990(9 numbers).
Question 6
1 / -0

If $\int \frac{f (x)}{\log \sin x} d x = \log \log \sin x$ , Then is equal to

A
$\sin x$

B
$\cos x$

C
$\log \sin x$

D
$\cot x$

Solution
Question 7
1 / -0

A

B

C

D

Solution
Question 8
1 / -0

A
$2008$

B
$2007$

C
$2013$

D
$2015$

Solution
Question 9
1 / -0

The equation of the curve for which the square of the ordinate is twice the product of the abscissa and the intercept of the normal on x-axis and passing through (2,1) is

A

B

C

D

Solution
Question 10
1 / -0

A
Zero

B
-1

C
1

D
3

Solution