Number System What is the least number that should be added to 5200 to make it a perfect square ? 275 288 129 225 275 288 129 225 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 How many numbers up to 300 and 700 are divisible by 2, 3 and 7 both together? 8 11 9 10 8 11 9 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (700 – 300)/42 = 9 22/42 => 9 Numbers
Number System 4550 ÷ 25% of ? = 130 125 135 130 140 125 135 130 140 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4550 ÷ ? x 25/100 = 130= 4550 ÷ ?/4 = 130= 4550 x 4/? = 130= ? x 130 = 4550 x 4= ? = 4550 x 4/130 = 140
Number System Supply the missing figure : 1, 4, 9, 16, 25 .... 49 23 36 42 16 23 36 42 16 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 36
Number System The average of 7 consecutive even numbers A, B, C, D, E, F and G is 36. What is the product of ' C and 'E' ? 1292 1168 1468 1327 1292 1168 1468 1327 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP A + B + C + D + E + F + G/7 = 36Therefore, D = 36Therefore, C = 34, E = 38Therefore, Product = 34 x 38 = 1292
Number System (444 x 44 x 4) ÷ 40 ? 2053.6 1853.6 1953.6 2153.6 2053.6 1853.6 1953.6 2153.6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 444 x 44 x 4/40 = 1953.6
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