A website Maths Puzzle Category

If x = -0.5, then which of the following has the smallest value?
A. 2^1/x
B. 1/x
C. 1/x^2
D. 2^x
E. 1/√-x

Read Solution (Total 2)

a is 2power -2 so 0.25 b is -2 c,d,e alll ae positive so smallest value is b
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A. 2/(-.5)=-4
B. 1/(-.5)=-2
C. 1/.25=4
D 1/√.5=+be number
A.-4 smallest
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A website Other Question

Solve Q25 and Q26 based on the following information :
Q. Sherlock Homes and Dr. Watson have to travel from Rajeev Gandhi chowk to Indira Gandhi International Airport via the metro. They have enough coins of 1, 5, 10 and 25 paise. Sherlock Homes agree to pay for Dr. Watson only if he tells all the possible combinations of coins that can be used to pay for the ticket.
How many combinations are possible if the fare is 50 paise ?
A. 52
B. 49
C. 45
D. 44

Q. How many combinations are possible if they get an international dignity discount of 10%, i.e. the fare is 45 paise ?
A. 45
B. 44
C. 39
D. 36 A group of 630 children is arranged in a row for a group photograph session. Each row contains three fewer children than the row in front of it. What number of rows is not possible?
A. 3
B. 4
C. 5
D. 6
E. 7