Number System {(742)² ÷ 36} ÷ 2 = ? 420.5 422.5 421.5 423.5 420.5 422.5 421.5 423.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (174 x 174/36) ÷ 2 = 841/2 = 420.5
Number System The sum of three consecutive multiples of 3 is 72. What is the largest number? 24 27 36 21 24 27 36 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be 3x, 3x + 3 and 3x + 6.Then,3x + (3x + 3) + (3x + 6) = 729x = 63x = 7Largest number = 3x + 6 = 27.
Number System 63.602 + 153.756 + 94.754 - 84.321 - 122.204 = ? 143.587 141.587 142.587 140.587 143.587 141.587 142.587 140.587 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 312.112 - 170.525 = 141.587
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? 7/32 1/35 12/35 35/8 7/32 1/35 12/35 35/8 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 2/5 3/4 1/4 3/5 2/5 3/4 1/4 3/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4500 * x = 3375= x = 3375/4500 = 3/4
Number System Complete the series : 1, 8, 27, 64, 125, 216 ..... 343 363 353 373 343 363 353 373 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 343
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