Number System Of an amount, 20% of 25% of 30% is Rs 75. Then what is the original amount ? Rs. 5000 Rs. 4000 Rs. 2000 Rs. 3000 Rs. 5000 Rs. 4000 Rs. 2000 Rs. 3000 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the amount be x.∴ X x 20/100 x 25/100 x 30/100 = 75∴ X = 75 x 5 x 4 x 10/3 = 5000
Number System Complete the series : 1, 2, 3, 5, 8, 13 .... 7 4 1 9 7 4 1 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1
Number System What is the difference between the largest and the smallest number written with 7, 7, 0, 7? 6093 6993 693 6893 6093 6993 693 6893 ANSWER DOWNLOAD EXAMIANS APP
Number System 16.23 x 12.9 + 17.32 = ? 226.687 236.687 None of these 246.687 226.687 236.687 None of these 246.687 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 16.23 x 12.9 + 17.32= 209.367 + 17.32= 226.687
Number System The product of two natural numbers is 17. Then, the sum of the reciprocals of their squares is: 1/289 289 290/289 289/290 1/289 289 290/289 289/290 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be a and b. Then,ab = 17, a = 1 and b = 17So, 1/a2 + 1/b2 = (a2 + b2)/a2 b2 = (12 + 172)/(1 * 17)2 = 290/289
Number System (2560 x 1.4) +(7400 x 0.6) =? 6543 7234 8024 9160 6543 7234 8024 9160 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8024
EXAMIANS