Number System A certain number when divided by 45 leaves a remainder 31, what is the remainder if the same number be divided by 15? 13 1 9 11 13 1 9 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 45 + 31 = 76/15 = 1 (Remainder)
Number System How many numbers up to 300 and 700 are divisible by 2, 3 and 7 both together? 11 10 8 9 11 10 8 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (700 – 300)/42 = 9 22/42 => 9 Numbers
Number System What is the least number that should be added to 5200 to make it a perfect square ? 288 129 225 275 288 129 225 275 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP We sec (73)² = 5329 and (72)² = 5184ie 5329 > 5200 > 5184So 129 should be added to make is perfect square.
Number System What least number shall be added to 4700 to make it a perfect square ? 91 71 61 81 91 71 61 81 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (69)² = 4761 and (68)² = 4624Clerly 4624 < 4700 < 4761So 61 should be added to make 4700 a perfect square.
Number System What number should come in the place of (?) in the following number series ? 1, 4, 9, 25, 49, ?, 169, 289, 361 225 121 321 11 225 121 321 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The series is (Prime No.)²So it is (11)² = 121
Number System {(742)² ÷ 36} ÷ 2 = ? 423.5 422.5 420.5 421.5 423.5 422.5 420.5 421.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (174 x 174/36) ÷ 2 = 841/2 = 420.5
EXAMIANS