Find the value of sqrt(20 + sqrt(20 + sqrt(20 + … infinity))).
A4
B5
C6
D10
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Archives: MCQs
If 12 men or 15 women can finish a task in 20 days, how long will 4 men and 5 women take?
A20 days
B24 days
C30 days
D36 days
Find the mean deviation about mean for numbers: 3, 6, 9, 12, 15.
A2.4
B3.0
C3.6
D4.2
Present ages of father and son are in ratio 7:2. After 10 years, ratio will be 9:4. What is the father’s present age?
A35 years
B42 years
C49 years
D56 years
The ratio of the area of a square to that of the square drawn on its diagonal is:
A1 : 2
B1 : 4
C2 : 1
D1 : sqrt(2)
If sin(theta) = 5/13, find the value of tan(theta) + sec(theta).
A1.2
B1.5
C1.8
D2.0
The sum of the squares of three consecutive natural numbers is 110. Find the smallest number.
A5
B6
C7
D8
Evaluate: (81)^(3/4) * (27)^(-2/3).
A1
B3
C9
D27
If 15th August 2011 was Monday, what day of the week was 15th August 2012?
ATuesday
BWednesday
CThursday
DFriday
At what time between 4 and 5 o’clock will the hands of a clock be together?
A21 (9/11) minutes past 4
B21 (7/11) minutes past 4
C20 (5/11) minutes past 4
D22 (2/11) minutes past 4