Number System If one-third of one fourth of a number is 15, then three-tenth of that number is: 35 25 45 54 35 25 45 54 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,1/3 of 1/4 of x = 15x = 15 * 12 = 180So, required number = (3/10 * 180) = 54.
Number System If (72)² is subtracted from the square of a number, the answer thus obtained is 4617. What is the number ? 99 103 95 92 99 103 95 92 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (72)² = 467Therefore, x² = 4617 + 5184Therefore, x² = 9801 Therefore, x = 99
Number System ?125÷5x ?=6265 153 1452 124 1253 153 1452 124 1253 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1253
Number System Find the least number when successively divided by 2, 3 and 7 leaves remainders 1, 2 and 3 respectively? 75 65 67 61 75 65 67 61 ANSWER DOWNLOAD EXAMIANS APP
Number System The difference between 78% of a number and 59% of the same number is 323. What is 62% of that number ? Rs. 945 Rs. 926 Rs. 986 Rs. 1054 Rs. 945 Rs. 926 Rs. 986 Rs. 1054 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.78% of x - 59% of x = 323= 78x - 59x/100 = 323= 19x/100 = 323∴ x = 323 x 100/19 = 1700= 62% of 1700 = 1700 x 62/100 = 1054
Number System The sum of three consecutive multiples of 3 is 72. What is the largest number? 21 24 27 36 21 24 27 36 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be 3x, 3x + 3 and 3x + 6.Then,3x + (3x + 3) + (3x + 6) = 729x = 63x = 7Largest number = 3x + 6 = 27.
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