Number System What is the difference between the largest number and the least number written with the digits 7, 3, 1, 4? 6084 5084 6184 6048 6084 5084 6184 6048 ANSWER DOWNLOAD EXAMIANS APP
Number System The product of two consecutive odd numbers is 4623. What is the product of the next two consecutive odd numbers ? 6782 7745 5183 8795 6782 7745 5183 8795 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √4623 = 6767 x 69 = 4623∴ Required product = 71 x 73 = 5183
Number System How many numbers between 300 and 800 can be by using digits 2, 4, 5, 6 and 0 ? 56 48 52 36 56 48 52 36 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∴ Reqd . numbers = 3 x 4P2 = 3 x 12 = 36
Number System 4.78% of 1255 + 3.24% of 440=0.5% of ? 11849 14849 12849 13849 11849 14849 12849 13849 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 number of prime factors of (6)10×(7)17×(55)27 41 91 101 61 41 91 101 61 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 91
Number System ind the number, difference between number and its 3/5 is 50 124 123 125 120 124 123 125 120 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number = x,Then, x-(3/5)x = 50,=> (2/5)x = 50 => 2x = 50*5,=> x = 125
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