Number System 7.98 x 3.75 + 1.28 x 15.5 = ? 46.765 47.765 48.765 49.765 46.765 47.765 48.765 49.765 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 29.925 + 19.84 = 49.765
Number System The difference between 8% of a number and 3% of the same number is 39. What is 2.8% of that number ? 24.84 27.84 25.84 21.84 24.84 27.84 25.84 21.84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x(8 - 3)% = 39x = 3900/5 = 780∴ 2.8% of 780= 780 x 2.8/100 = 21.84
Number System What is the difference between the largest number and the least number written with the digits 7, 3, 1, 4? 6184 5084 6048 6084 6184 5084 6048 6084 ANSWER DOWNLOAD EXAMIANS APP
Number System In a pair of fractions, fraction A is twice the fraction B and the product of two fractions is 2/25. What is the value of fraction A? 1/5 2/5 1/25 Data inadequate 1/5 2/5 1/25 Data inadequate ANSWER EXPLANATION DOWNLOAD EXAMIANS APP A = 2B => B = 1/2 A, so, AB = 2/25 1/2 A2 = 2/25A2 = 4/25 A = 2/5
Number System In how many different ways can the letters of word "COLLEGE" be arranged ? 1300 1260 1240 1280 1300 1260 1240 1280 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of ways = 7!/2!2! = 1260(∵ L and E come twice)
Number System What is the value of 8/11 of 5/7 of 96% of 28875 ? 14400 12900 13800 15400 14400 12900 13800 15400 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number = 8 x 5 x 96 x 28875/11 x 7 x 100 = 14400