Number System Which one of the following is the sum of the numbers 1, 3, 5, 7, 9…. up to nth number? N2 + 1 N(N + 1) N2 N(N + 1)/2 N2 + 1 N(N + 1) N2 N(N + 1)/2 ANSWER DOWNLOAD EXAMIANS APP
Number System {3√4913}² = ? 289 121 333 225 289 121 333 225 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (3√4913)² = (17)² = 289
Number System If 70% of an equal to 40% of b, then ratio between a and b is? 7: 4 7: 11 None 4: 7 7: 4 7: 11 None 4: 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 70 a = 40 ba: b = 4: 7
Number System What should come in place of the question mark (?) in the given number series ? 888, 888, 444, 148, ?, 7.4 37 39 36 38 37 39 36 38 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let x be the missing number.Then888/888 = 1,888/444 = 2,444/148 = 3,148/x = 4= x = 148/4 = 37 and 37/7.4 = 5
Number System 35 + 15 * 1.5 = ? 57.5 75 51.5 5.25 57.5 75 51.5 5.25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Exp. = 35 + 15 * 3/2 = 35 + 45/2 = 35 + 22.5 = 57.5
Number System 50% of 8/15 of 9/4 of 5/3 of 333 = ? 444 333 666 555 444 333 666 555 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 50% of [8x9x5/15x4x3 x 333]= 50% of 666= 333
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