Number System What is the difference between the local values of 3 in the number 53403? 3030 2997 3003 0 3030 2997 3003 0 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3000 – 3 = 2997
Number System Subtracting 30 from a number, the remainder is one fourth of the number. Find the number? 40 22 1/2 45 30 40 22 1/2 45 30 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3/4 x = 30 => x = 40
Number System A number consists of 3 digit whose sum is 10. The middle digit is equal to the sum of the other two and the number will be increased by 99 if its digits are reversed. The number is: 145 253 352 370 145 253 352 370 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the middle digit be x. Then, 2x = 10 or x = 5.So, the number is either 253 or 352. Since the number increases on reversing the digits, so the hundred's digit is smaller than the unit's digit. Hence, required number = 253.
Number System In how many different ways can the letters of the word ANATOMY be arranged ? 2510 2504 2508 2520 2510 2504 2508 2520 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Here total letters are 7 but A comes twice.Therefore, Numbers of arrangements = 7!/2! = 2520
Number System If (182)² is added to the square of a number, the answer so obtained is 47765. What is the number ? 111 131 101 121 111 131 101 121 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be xTherefore x² + (182)² = 47765Therefore x² = 47765 - (182)2 = 47765 - 33124Therefore x² = 14641, Therefore x = 121
Number System The square root of 3 + “5 is : “3 /2 - 1/”2 “(5/2) + “(1/2) “5 /2 - 1/”2 “3 /2 + 1/”2 “3 /2 - 1/”2 “(5/2) + “(1/2) “5 /2 - 1/”2 “3 /2 + 1/”2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP “(5/2) + “(1/2)
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