Number System Sum of two numbers is 80. Greater number exceeds by 5 from four times of the smaller. Find the numbers? 60, 20 64, 16 65, 15 62, 18 60, 20 64, 16 65, 15 62, 18 ANSWER DOWNLOAD EXAMIANS APP
Number System The sum of the two numbers is 12 and their product is 35. What is the sum of the reciprocals of these numbers? 12/35 1/35 35/8 7/32 12/35 1/35 35/8 7/32 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be a and b. Then,a + b = 12 and ab = 35.(a + b)/ab = 12/35= (1/b + 1/a) = 12/35Sum of reciprocals of given numbers = 12/35.
Number System 56.21 +2.36+5.41 —21.4+1.5=? 54.08 64.08 44.08 34.08 54.08 64.08 44.08 34.08 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 44.08
Number System What is 432 times 119 ? 52408 50408 53408 51408 52408 50408 53408 51408 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. 432 x 119 = 51408
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: 352 253 370 145 352 253 370 145 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
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