The two square numbers are 72 + 62 = 49 + 36 = 85. The smaller number is therefore 6.
807
The sum of the first 40 whole numbers is 780.
The sum of the first 8,000 odd numbers 64,000,000.
The sum of the first 600 odd numbers is 360,000.
The sum of the first consecutive 800 odd numbers is 640,000.
14 + 15 + 16 = 45
The two square numbers are 72 + 62 = 49 + 36 = 85. The smaller number is therefore 6.
640000. First odd number is 1, 800th odd number is 1599, giving their sum: sum = number_of_numbers x (first_number + last_number) ÷ 2 = 800 x (1 + 1599) ÷ 2 = 640000
807
27 + 29 = 56.
The sum of the first 50 whole numbers is 1,225.
The sum of the first 1,000 whole numbers is 499,500.
The sum of the first 40 whole numbers is 780.
the sum of the first 15 prime numbers is 328 .
The sum of the first 25 prime numbers is 1,060.
The sum of the first 15 odd numbers is 225.