Number System 35 + 15 * 1.5 = ? 5.25 75 57.5 51.5 5.25 75 57.5 51.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Exp. = 35 + 15 * 3/2 = 35 + 45/2 = 35 + 22.5 = 57.5
Number System Three numbers which are co-prime to one another are such that the product of the first two 551 and that of the last two is 1073. The sum of the three numbers is 110 85 74 93 110 85 74 93 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 85
Number System The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is: 40 30 None of these 20 40 30 None of these 20 ANSWER DOWNLOAD EXAMIANS APP
Number System A bag contains eighteen 25-paise coins, seventeen 50-paise coins, twentytwo one-rupee coins, nine 2-rupee coins and three 5-rupee coins. What is the total amount in the bag (Ans in rupees) ? Rs. 68 Rs. 62 Rs. 74 Rs. 79 Rs. 68 Rs. 62 Rs. 74 Rs. 79 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Total = 18/7 + 17/2 + 22 + 9 x 2 + 3 x 5 = 4.5 + 8.5 + 22 + 18 + 15 = Rs 68
Number System In how many different ways can the letters of the word 'FRUGAL'be arranged ? 720 515 660 556 720 515 660 556 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In FRUGAL there ae six difference letters Therefore, 6 ! = 6 x 5 x 4 x 3 x 2 x 1 = 720
Number System What is the least number to be subtracted from 696 to make it a perfect square? 1 71 20 16 1 71 20 16 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The numbers less than 696 and are squares of certain numbers are 676, 625.The least number that should be subtracted from 696 to make it perfect square = 696 - 676 = 20.