How many natural numbers are there between √261 and √45109?
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N is the smallest three digit prime number. When N is divided by 13, then what will be the remainder?
x, y and z are prime numbers and x + y + z = 38. What is the maximum value of x?
What is the unit digit of 15+25+35+...+205 ?
If 1+121+141+161+181-131-151-17 = 1+ 1x, then what is the value of x?
If 11+11+11+1x = 58, then what is the value of x?
If N = 1 + 11 + 111 + 1111 + ... +111111111, then what is the sum of the digit's of N?
What is the rate of interest (in %) if simple interest earned on a certain sum for the 3 years is Rs 6,000 and compound interest earned for 2 years is Rs 4,160?