Find the value of sqrt(6 + sqrt(6 + sqrt(6 + … infinity))).
A2
B3
C4
D6
Archive
Archives: MCQs
A car covers a distance of 480 km at a speed of 60 km/h and returns at a speed of 40 km/h. What is the average speed for the whole journey?
A48 km/h
B50 km/h
C52 km/h
D54 km/h
If 12 men or 18 women can harvest a field in 14 days, how many days will 8 men and 16 women take to harvest the same field?
A7 days
B9 days
C10 days
D12 days
A sum of Rs. 8,000 amounts to Rs. 9,261 in 3 years at compound interest. What is the rate of interest per annum?
A4%
B5%
C6%
D8%
The base and height of a triangle are in the ratio 3:2 and its area is 108 cm². Find its height.
A12 cm
B14 cm
C16 cm
D18 cm
If x + 1/x = 5, find the value of x^3 + 1/x^3.
A110
B115
C125
D140
What is the unit digit in the expansion of 7^105?
A1
B3
C7
D9
If 40% of a number is equal to two-thirds of another number, what is the ratio of the first number to the second number?
A2 : 5
B3 : 5
C5 : 3
D5 : 2
Two dice are thrown simultaneously. What is the probability of getting a sum of 8?
A5/36
B1/6
C7/36
D2/9
Find the perimeter of a semi-circle with radius 14 cm. (Use pi = 22/7)
A44 cm
B58 cm
C72 cm
D88 cm