Mix Test 1

Result

Mix Test 1

Score
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out of -
Rank
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out of -

TIME Taken - -

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Weekly Quiz Competition

Question 1
1 / -0

A determinant is chosen at random from the set of all determinants of order 2 with elements 0 or 1 only. The probability that the value of the determinant chosen is positive is

A
2/ 16

B
3/ 16

C
1/ 4

D
1/ 16
Question 2
1 / -0

If the letters of the word ‘ INDEPENDENCE ‘ are written down at random in a row , then the chance that no two E’s occur together is

A
1/ 55

B
54/ 55

C
14/ 55

D
none of these
Question 3
1 / -0

The coefficients of x^p and x^q ( p, q are + ve integers) in the binomial expansion of (1+x)^{p +}^q are

A
None of these

B
equal

C
equal numerically

D
reciprocal of each other
Question 4
1 / -0

If coefficients of three successive terms in the expansion of (x+1)ⁿ are in the ratio 1 : 3 : 5, then n is equal to

A
none of these

B
7

C
9

D
8