The sum of first 50 natural numbers equals?
A. 1225
B. 1250
C. 1275
D. 1300
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Problems on Numbers
Which is the largest prime number below 20?
A. 15
B. 17
C. 18
D. 19
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Which number is divisible by 8?
A. 312
B. 314
C. 316
D. 318
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