Number System (12.11)2 + (?)2 = 732.2921 20.2 24.2 14.2 17.2 20.2 24.2 14.2 17.2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 24.2
Number System Thrice the square of a natural number decreased by 4 times the number is equal to 50 more than the number. The number is: 5 6 4 10 5 6 4 10 ANSWER DOWNLOAD EXAMIANS APP
Number System Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is: 15 13 11 9 15 13 11 9 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 Three numbers are in ratio of 3: 4 :5. If the sum of first & third numbers is more than second number by 52, which will be largest number? 23 34 78 65 23 34 78 65 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65
Number System If the difference between a number and two-fifths of that number is 45 what is the number ? 78 76 75 77 78 76 75 77 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x ∴ x - 2x/5 = 45∴ x = 75
Number System If the following fractions 7/6, 6/7, 5/3, 8/13 and 6/5 are arranged in descending order, which will be the last in the series? 6/13 7/13 8/13 9/13 6/13 7/13 8/13 9/13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7/6 = 1.166, 6/7 = 0.857,5/3 = 1.66,8/13 = 0.615,6/5 = 1.2Therefore, 5/3 > 6/5 > 7/6 > 6/7 > 8/13
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