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self Math Questions and Answer Page 27

(#M40034329) SELF QUESTION CLOCK Keep an EYE

A Clock is observed. The hour hand is exactly at the minute mark and the minute hand is six minutes ahead of it. Later, the clock is observed again. This time, the hour hand is exactly on a different minute mark and the minute hand is seven minutes ahead of it. How much time elapsed between the first and second observation ?

(11 years ago)

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(#M40034293) SELF QUESTION Twister Keep an EYE

Which gives the largest answer?
1) 12^34
2) 4321
3) 21^43
4) 43^21

Soham Dalwadi (11 years ago)

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(#M40034292) SELF QUESTION Twister Keep an EYE

How many digits are in the result of the expression?

1001^11

Soham Dalwadi (11 years ago)

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(#M40034273) SELF QUESTION algebra Keep an EYE

Consider the following system of equivalences of integers.
x  2 mod 15
x  4 mod 21:
The number of solutions in x, where 1  x  315, to the above system of
equivalences is
Option
(A) 0
(B) 1
(C) 2
(D) 3.

amit tewary (11 years ago)

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(#M40034271) SELF QUESTION algebra Keep an EYE

The value of the innite product
P =
7
9

26
28

63
65




n^3 - 1
n^3 + 1



is
Option
(A) 1
(B) 2/3
(C) 7/3
(D) None of the above.

amit tewary (11 years ago)

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(#M40034270) SELF QUESTION algebra Keep an EYE

The number of positive integers which are less than or equal to 1000 and are divisible by none of 17, 19 and 23 equals
Option
(A) 854
(B) 153
(C) 160
(D) None of the above.

amit tewary (11 years ago)

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(#M40034264) SELF QUESTION river Keep an EYE

A bridge has to be crossed. only 2 persons can cross it at a time because only 1 torch is available which is necessary to cross it. there are 4 peoply named acc. to the time they take to cross i..e 1,2,5 and 10 (they take the time in sec).what minimum time will they take to cross the bridge ??

PARVY GOVIL (11 years ago)

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(#M40034203) SELF QUESTION "CATCHES" WIN MATCHES Keep an EYE

There are 8 teams(A,B,C.D,E,F,G,H) in a tournament. Each team will play exactly 2 games. How many matches are there to be played and give at least one possible solution set.?

Deep Narayan Mojumder (11 years ago)

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(#M40034175) SELF QUESTION numerical Keep an EYE

16 How many three digit numbers are divisible by 77 ?
Option
a) 108
b) 118
c) 128
d) 138

Dinesh thatti (11 years ago)

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(#M40034165) SELF QUESTION Keep an EYE

The difference between the simple interest on a certain sum at the rate of 10% per annum for 2 years and compound interest which is compounded every 6 months is Rs 124.05.what is the principal sum?

saurav mohan (11 years ago)

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