Number System How many numbers up to 300 and 700 are divisible by 2, 3 and 7 both together? 11 9 8 10 11 9 8 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (700 – 300)/42 = 9 22/42 => 9 Numbers
Number System The sum and the product of two numbers are 25 and 144 respectively, the difference of the number is? 11 5 7 3 11 5 7 3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + y = 25xy = 144(x- y)2 = (x + y)2 – 4xy(x- y)2 = 625 – 576 => (x – y) = 7
Number System 7.8% of 12.5 + 2.5% of 161 = ? 9 5 12 2 9 5 12 2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7.8 x 12.5/100 + 2.5 x 161/100= 0.975 + 4.025= 5
Number System What number should replace both the question marks (?) in the following question ? 85 83 82 84 85 83 82 84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 84
Number System What is the difference between the local values of 3 in the number 53403? 3030 2997 0 3003 3030 2997 0 3003 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3000 – 3 = 2997
Number System Find the number which multiplied by 15 is increased by 196. 28 20 14 26 28 20 14 26 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,15x - x = 196x = 14
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