Question
The radius of a circle is increased by 20%. Find the
percentage increase in the area of the circle.Solution
The area of a circle is A = πr². If the radius increases by 20%, the new radius is 1.2r. The new area is A' = π(1.2r)² = 1.44πr². The percentage increase in area = (1.44 - 1) × 100 = 44%. Correct answer: c) 44%
Select the option that is related to the third word in the same way as the second word is related to the first word.
PARAGRAPH: AAAGHPPRR:: POLITICIAN: ?
Select the option that is related to the third number in the same way as the second number is related to first number and the sixth number is related t...
Awful : Terrible :: Descent : ?
Select the option that is related to the third number in the same way as the second number is related to first number.
24 : 126 :: 48 : ?
Select the option that is related to third letter cluster in the same way as second letter cluster is related to first letter cluster.
WIN: DPU:: FAT: ?
Given set:Â 278, 257, 365
225 : 12 : 435 : ?
Statement:
Some keyboards are mouse
Only a few dashboards are pianos
All pianos are mouse
Conclusion:
I. All mouse be...
Select the option in which the numbers share the same relationship as that shared by the numbers in the set given below:
(480, 238, 484)
Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is relat...
