Number System By how much is 3/5th of 875 greater than 2/3 of 333? 199 233 303 362 199 233 303 362 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3/5th of 875 is greater than 2/3rd of 333= 3/5 * 875 - 2/3 * 333= 525 - 222 = 303.
Number System The sum of four consecutive even numbers is 36. Find the sum of the squares of these numbers? 388 252 296 344 388 252 296 344 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the four numbers be x, x + 2, x + 4 and x + 6.=> x + x + 2 + x + 4 + x + 6 = 36=> 4x + 12 = 36 => x = 6The numbers are 6, 8, 10 and 12.Sum of their squares = 62 + 82 + 102 + 122 = 36 + 64 + 100 + 144 = 344.
Number System In a division sum, the divisor is 10 times the quotient and 5 times the remainder. If the remainder is 46, the dividend is: 6890 2568 9865 5336 6890 2568 9865 5336 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5336
Number System The number of prime factors of (6)10×(7)17×(55)27 91 101 61 41 91 101 61 41 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 91
Number System If A + B = 30 and AB = 94, What is the value of A² + B² ? 625 824 712 920 625 824 712 920 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (A + B)² = (30)² = 900A² + B² + 2AB = 900Therefore, A² + B² = 900 - 2 x 94 = 900 - 188 = 712
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 12/35 1/35 35/8 7/32 12/35 1/35 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.
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