Numbers Aptitude Test Paper 1Solved Questions:1) What is the difference in the place value of 5 in the numeral 754853?
The Correct answer is (B) Answer with explanation: The digit 5 has two place values in the numeral, 5 * 10^{5} = 50,000 and 5 * 10^{1} = 50. ∴Required difference = 50000  50 = 49950 2) What should be added to 1459 so that it is exactly divisible by 12?
The Correct answer is (C) Answer with explanation: On dividing 1459 by 12, the remainder is 7. ∴The number to be added would be = 12  7 = 5 3) If the number 467X4 is divisible by 9, find the value of the digit marked as X.
The Correct answer is(C) Answer with explanation: The number is divisible by 9 so the sum of its digits would be divisible by 9. ∴4 + 6 + 7 + X + 4 = 21+ X, must be divisible by 9. X = 6, fulfills our requirement so the required digit is 6. 4) 7X2 is a three digit number and X is the missing digit. If the number is divisible by 6, the missing digit is
The Correct answer is (B) Answer with explanation: The given number is divisible by 6 so it would be divisible by 2 and 3. As the last digit is 2 whatever be the value of X, it would be divisible by 2. Now, 7+X+2 = 9 + X, must be divisible by 3. ∴X = 3 makes the number divisible by 3, so 3 is the required digit. 5) What smallest number should be subtracted from 9805 so that it is divisible by 8?
The Correct answer is (C) Answer with explanation: On dividing 9805 by 8, the remainder is 5. So, 5 is the smallest number which should be subtracted from 9805 to make it divisible by 8.
Numbers Aptitude Test Paper
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