Three natural numbers are such that one-third of the first number is equal to two-fifths of the second, and two-thirds of the second number is equal to one-seventh of the third. The sum of five times the third number and half of the square of the first number is 1348. What is the value of the second number?
The correct answer is A
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The denominator of a positive rational number is 4 more than its numerator. If the numerator is increased by 6 and the denominator is increased by 5, th...
In a question of division, if divisor is 2 times of remainder and quotient is 1/3rd of divisor, if remainder is least multiple of 3 and 5 bot...
The value of 
If 1.5x = 0.04y, then the value of 
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Five numbers are arranged in decreasing order. The average of the first four numbers is 60, and the average of the last four numbers is 55. What is the ...
Arvind's age after 19 years will be 67 years. Ravi is 4 years older than Arvind. The ratio of present ages of Samar and Ravi is 9:13. Find the age of Sa...
The ratio of two natural numbers 'x' and 'y' is 9:13, respectively. When 30 is added to 'x' and 15 is subtracted from 'y', the ratio of 'x' to 'y' becom...
Find the unit digit in (257)45 × (248)73.
