Number System If the average of two numbers is 88.5 and one number is 5.5 less than the average. Find out the next number. 91 94 97 86 91 94 97 86 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 94
Number System If (47)² is added to the square of a number the answer thus obtained is 2290. What is the number ? 10 9 8 7 10 9 8 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x Therefore, x² + (47)² = 2290Therefore, x² = 2290 - 2209 = 81Therefore, x = 9
Number System If 2^(2x-1) = 8^(3-x), then the value of x is: 6 2 5 9 6 2 5 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2
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 ? 225 220 232 245 225 220 232 245 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Diff = (35 - 18)% of x = 93.517x/100 = 93.5Therefore, x = 550Therefore, 40% of 550 = 220
Number System Find the least value of 3x + 4y if x2y3 = 6. 6 3 10 7 6 3 10 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 10
Number System 65 x 288 ÷ 52 = 1.8 x ? 180 210 190 200 180 210 190 200 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 65x288/52x1.8 = 200