Number System The difference between 45% of a number and 18% of the same number is 145.8. What is 30% of that number ? 245 141 188 162 245 141 188 162 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.45% of x - 18% of x = 145.8∴ x/100 (45 - 18) = 145.8∴ x = 145.8 x 100/27 = 540∴ 30% of 540 = 540 x 30/100 = 162
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? 65 34 23 78 65 34 23 78 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65
Number System Find the smallest number which should be multiplied with 520 to make it a perfect square. 30 None of these 120 55 30 None of these 120 55 ANSWER DOWNLOAD EXAMIANS APP
Number System If 70% of an equal to 40% of b, then ratio between a and b is? 4: 7 7: 4 7: 11 None 4: 7 7: 4 7: 11 None ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 70 a = 40 ba: b = 4: 7
Number System On multiplying a number by 7, the product is a number each of whose digits is 3. The smallest such number is: 47649 47619 48619 47719 47649 47619 48619 47719 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP By hit and trail, we find that47619 * 7 = 333333.7) 333333 (47619 333333---------------- 0
Number System 1827÷ 36 x ?=162.4 1.9 2.6 3.2 4.3 1.9 2.6 3.2 4.3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3.2
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