Number System 4.78% of 1255 + 3.24% of 440=0.5% of ? 11849 12849 13849 14849 11849 12849 13849 14849 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.5 x ?/100 = 4.78 x 1255/100 + 3.24 x 440/100= 59.989 + 14.256∴ ? = 74.245 x 100/0.5 = 14849
Number System The difference between a positive proper fraction and its reciprocal is 9/20. The fraction is: 5/4 3/10 3/5 4/5 5/4 3/10 3/5 4/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1/x - x = 9/20 20x2 + 9x - 20 = 0 20x2 + 25x - 16x - 20 = 0 5x(4x + 5) -4(4x + 5) = 0(4x + 5)(5x - 4) = 0x = 4/5
Number System If the average of two numbers is 88.5 and one number is 5.5 less than the average. Find out the next number. 94 86 91 97 94 86 91 97 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 94
Number System Find the least number which when divided by 35 and 11 leaves a remainder of 1 in each case. 391 388 384 386 391 388 384 386 ANSWER DOWNLOAD EXAMIANS APP
Number System Simplify the 121 * 175 + 363 * 275 363000 None of these 328100 316600 363000 None of these 328100 316600 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 121 * 175 + 363 * 275 => 121 * 175 + 121 * 3 * 275121 * 175 + 121 * 825= 121 * (175 + 825) = 121000
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