Number System {(742)² ÷ 36} ÷ 2 = ? 422.5 421.5 423.5 420.5 422.5 421.5 423.5 420.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (174 x 174/36) ÷ 2 = 841/2 = 420.5
Number System If the fractions 1/7, 3/5, 2/5, 5/6 and 9/11 are arranged in descending order of their values, which one will be the fourth number? 2/5 3/5 4/5 1/5 2/5 3/5 4/5 1/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1/4 = 14. 3/5 = 6.2/5 = 4.5/6 = 83.9/11 = 82.Therefore, 83 > 82 > 6 > 14
Number System If 70% of an equal to 40% of b, then ratio between a and b is? None 7: 4 4: 7 7: 11 None 7: 4 4: 7 7: 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 70 a = 40 ba: b = 4: 7
Number System 7.98 x 3.75 + 1.28 x 15.5 = ? 49.765 48.765 46.765 47.765 49.765 48.765 46.765 47.765 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 29.925 + 19.84 = 49.765
Number System If (47)² is added to the square of a number the answer thus obtained is 2290. What is the number ? 8 9 7 10 8 9 7 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x Therefore, x² + (47)² = 2290Therefore, x² = 2290 - 2209 = 81Therefore, x = 9
Number System A certain number successively divided by 2, 5 and 7 leaves remainders 1, 2 and 3 respectively. When the same number is divided by 70, what is the remainder? 33 36 34 35 33 36 34 35 ANSWER DOWNLOAD EXAMIANS APP