Number System 16.23 x 12.9 + 17.32 = ? 236.687 246.687 None of these 226.687 236.687 246.687 None of these 226.687 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 16.23 x 12.9 + 17.32= 209.367 + 17.32= 226.687
Number System The sum of the two numbers is 12 and their product is 35. What is the sum of the reciprocals of these numbers? 12/35 35/8 7/32 1/35 12/35 35/8 7/32 1/35 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be a and b. Then,a + b = 12 and ab = 35.(a + b)/ab = 12/35= (1/b + 1/a) = 12/35Sum of reciprocals of given numbers = 12/35.
Number System 4500 * ? = 3375 3/4 1/4 3/5 2/5 3/4 1/4 3/5 2/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4500 * x = 3375= x = 3375/4500 = 3/4
Number System How many numbers up to 300 and 700 are divisible by 2, 3 and 7 both together? 9 8 10 11 9 8 10 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (700 – 300)/42 = 9 22/42 => 9 Numbers
Number System If the fractions 1/7, 3/5, 2/5, 5/6 and 9/11 are arranged in descending order of their values, which one will be the fourth number? 3/5 2/5 4/5 1/5 3/5 2/5 4/5 1/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1/4 = 14. 3/5 = 6.2/5 = 4.5/6 = 83.9/11 = 82.Therefore, 83 > 82 > 6 > 14
Number System A certain number when divided by 39 leaves a remainder 20, what is the remainder when the same number is divided by 13? 7 0 5 11 7 0 5 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 39 + 20 = 59/13 = 7 (Remainder)
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