Advertisements
Advertisements
प्रश्न
Without doing the actual addition, find the sum of:
1 + 3 + 5 + 7 + 9 + ……………… + 39 + 41.
Advertisements
उत्तर
1+3 + 5 + 7 + 9 + ……….. + 39 + 41
= Sum of first 21 odd natural numbers = 212 = 441
APPEARS IN
संबंधित प्रश्न
What will be the unit digit of the square of the given number?
81
What will be the unit digit of the square of the following number?
26387
The following number are obviously not perfect square. Give reason.
64000
Find the least number which must be added to the following numbers to make them a perfect square:
4931
Find the square root of:
\[10\frac{151}{225}\]
Write three sets of Pythagorean triplets such that each set has numbers less than 30.
The number of non-square numbers between 242 and 252 is ______
225 square shaped mosaic tiles, area 1 square decimeter exactly cover a square shaped verandah. How long is each side of the square shaped verandah?
The units digit in the square of 1294 is ______.
A perfect square can have 8 as its units digit.
