Number System A shopkeeper purchased 200 bulbs for Rs. 10 each. However, 5 bulbs were fused and had to be thrown away. The remaining were sold at Rs. 12 each. What will be percentage profit? 33 14 17 21 33 14 17 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 12
Number System On multiplying a number by 7, the product is a number each of whose digits is 3. The smallest such number is: 47719 47649 48619 47619 47719 47649 48619 47619 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP By hit and trail, we find that47619 * 7 = 333333.7) 333333 (47619 333333---------------- 0
Number System The difference between a two-digit number and the number obtained by interchanging the two digits is 63. Which is the smaller of the two numbers? 29 92 Cannot be determined 70 29 92 Cannot be determined 70 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's digit be x and units digit by y.Then,(10x + y) - (10y + x) = 639(x - y) = 63x - y = 7Thus, none of the numbers can be determined.
Number System If 70% of an equal to 40% of b, then ratio between a and b is? None 4: 7 7: 4 7: 11 None 4: 7 7: 4 7: 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 70 a = 40 ba: b = 4: 7
Number System Supply the missing figure : 3, 11, 8, 16, 13 .... 18 21 18 12 28 21 18 12 28 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21
Number System Which is the largest fraction among the following ? 24/25 12/13 21/22 21/23 24/25 12/13 21/22 21/23 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21/23 = 0.913,12/13 = 0.92323/25 = 0.92, 21/22 = 0.9545, 24/25 = 0.96
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