Number System Simplify the 121 * 175 + 363 * 275 316600 None of these 328100 363000 316600 None of these 328100 363000 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 121 * 175 + 363 * 275 => 121 * 175 + 121 * 3 * 275121 * 175 + 121 * 825= 121 * (175 + 825) = 121000
Number System If HKUJ means FISH, what does UVCD mean ? STAK STAB STAR STAM STAK STAB STAR STAM ANSWER EXPLANATION DOWNLOAD EXAMIANS APP STAB
Number System The average of five consecutive even numbers, p, q, r, s and t is 40. What is the product of 'r' and 's' ? 1580 1780 1680 1480 1580 1780 1680 1480 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x, x + 2, x + 4, x + 6, and x + 8Avg = x + x + 2 + x + 4 + x + 6 + x + 8/5 = 40Therefore, 5x + 20 = 200Therefore, x = 180/5 = 36Therefore, r = x + 4 = 40 s = x + 6 = 42Therefore, Product = 1680
Number System 65 x 288 ÷ 52 = 1.8 x ? 190 180 210 200 190 180 210 200 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 65x288/52x1.8 = 200
Number System If the numberator of a fraction is increased by 50% and denominator by 20% the fraction become 9/15. What was the original fraction ? 12/25 6/7 13/25 3/5 12/25 6/7 13/25 3/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the fraction be x/yWe have 150x/120y = 9/15= x/y = 12/25
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
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