Number System If (35)² is added to the square of a number the answer so obtained is 1394. What is the number ? 17 13 15 11 17 13 15 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x Therefore, x² + (35)² = 1394Therefore, x² = 1394 - (35)² = 1394 - 1225 = 169Therefore, x = √169 = 13
Number System What should come in place of the question mark (?) in the given number series ? 888, 888, 444, 148, ?, 7.4 39 38 37 36 39 38 37 36 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 65 x 288 ÷ 52 = 1.8 x ? 210 200 180 190 210 200 180 190 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 65x288/52x1.8 = 200
Number System 7.98 x 3.75 + 1.28 x 15.5 = ? 49.765 48.765 47.765 46.765 49.765 48.765 47.765 46.765 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 29.925 + 19.84 = 49.765
Number System Supply the missing figure : 2, 6, 12, 20, 30 ... 56 41 39 42 40 41 39 42 40 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 42
Number System How many times the keys of a typewriter have to be pressed in order to write first 400 counting numbers? 1092 1200 1192 1082 1092 1200 1192 1082 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS