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Circumference of larger circle = 2πr 132 = 2 × 22/7 × r r = (132 × 7)/(22 × 2) = 21 cm. Area of a larger circle = πr² = 22/7 × 21 × 21 = 1386 cm. Circumference of smaller circle = 2πr 88 = 2 × 22/7 × r r = (88 × 7)/(22 ×2) = 14 cm. Area of a smaller circle = πr² = 22/7 × 14 × 14 = 616 cm. ∴ Required difference = 1386 – 616 = 770 cm.
Four numbers have been given, out of which three are alike in some manner and one is different. Select the number that is different.
What will be the next set of alphabets in the series?
PBA, QCB, RDC, SED,____
How many 9’s are there in the following sequence that are immediately preceded by an odd number but not immediately succeeded by a prime number?
<...Which of the following is the sum of the 15th element from the left end and the 11th element from the right end of the series?
What is the sum of all the odd numbers?
How many such consonants are there in the above arrangement each of which is immediately followed by a consonant and also immediately preceded by a symbol?
What is the function of "LOOKUP"?
Which of the following is also known as 'Hard Booting'?
Arrange the given words in a meaningful and logical sequence.
1- Hospital
2- Happiness
3- Hobby
4- Horse
5- Horizon
The largest unit of storage is
