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: 30 40 20 None of these 30 40 20 None of these ANSWER DOWNLOAD EXAMIANS APP
Number System 9 3/4 + 7 2/17 - 9 1/15 = ? 9 719/1020 9 817/1020 7 817/1020 7 719/1020 9 719/1020 9 817/1020 7 817/1020 7 719/1020 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given sum = 9 + 3/4 + 7 + 2/17 - (9 + 1/15)= (9 + 7 - 9) + (3/4 + 2/17 - 1/15)= 7 + (765 + 120 - 68)/1020 = 7 817/1020
Number System Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is: 9 15 11 13 9 15 11 13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the three integers be x, x + 2 and x+ 4.Then,3x = 2(x + 4) + 3x = 11Third integer = x + 4 = 15.
Number System In how many different ways can the letters of word "SENTENCE" be arranged ? 3360 6460 2360 3260 3360 6460 2360 3260 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of ways = 8!/3! 2! = 40320/12 = 3360
Number System Which choice provides the answer : If 2 + 3 = 10, 6 + 5 = 66, 7 + 2 = 63, 9 + 7 = 144 then, 8 + 4 = ? 88 114 96 102 88 114 96 102 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 96
Number System What is the missing number in this series? 8 2 14 6 11 ? 14 6 18 12 9 3 7 2 9 3 7 2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9
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