Number System If the three fourth of a number is subtracted from the number; the value so, obtained is 163. What is that number ? 652 678 692 689 652 678 692 689 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number x (1 - 3/4) = 163∴ Number = 163 x 4 = 652
Number System √9216 + √15376 = ? 227 224 231 220 227 224 231 220 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √9216 + √15376= 96 + 124= 220
Number System The product of two consecutive odd numbers is 4623. What is the product of the next two consecutive odd numbers ? 7745 6782 5183 8795 7745 6782 5183 8795 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √4623 = 6767 x 69 = 4623∴ Required product = 71 x 73 = 5183
Number System The sum of three consecutive even numbers is 252. What is the sum of the smallest and the largest numbers? 168 171 169 170 168 171 169 170 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 168
Number System The difference between 35% of a number and 18% of the same number is 93.5 then what is the 40% of that number ? 220 232 245 225 220 232 245 225 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Diff = (35 - 18)% of x = 93.517x/100 = 93.5Therefore, x = 550Therefore, 40% of 550 = 220
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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