The area of a circle is 616 sq.cm. Find its radius (in cm).
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Find the value of 21623 + 36-1 2
Find the next number in the given number series?
11, 5.5, 10, 6.5, 9, ?
The given number series follows a pattern that
11
11 - 5.5 = 5.5
5.5 + 4.5 = 10
10 - 3.5 = 6.5
6.5 + 2.5 = 9
9 - 1.5 = 7.5
Hence, the next number in the given number series is 7.5.
Find the odd man out?
16, 254, 1296, 4096, 10000
The given series 16, 254, 1296, 4096, 10000 follows a pattern that
24, 44, 64, 84, 104,...
Hence, the odd man in the series is 4 x 4 x 4 x 4 = 256 not 254.
Given w = -2, x = 3, y = 0 & z = -1/2, find the value of w2(z2 + y2)
Find the missing number in the given number series?
5 11 21 44 ? 175
Here the given number series is 5 11 21 44 ? 175
Now the given series follows a pattern, that
x2 + 1, x2 - 1, x2 + 2, x2 - 2, x2 + 3, x2 - 3,...
Then the missing number is x2 - 2
= 44 x 2 - 2 = 88 - 2 = 86
Hence, the missing number in the number series is 86.
A right triangle with sides 3 cm, 4 cm and 5 cm is rotated the side of 3 cm to form a cone. The volume of the cone so formed is:
What is the value of 88% of 1125 + 20% of 425?
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