Number System A shopkeeper purchased 200 bulbs for Rs. 10 each. However, 5 bulbs were fused and had to be thrown away. The remaining were sold at Rs. 12 each. What will be percentage profit? 33 17 14 21 33 17 14 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 12
Number System When the square of a number is substracted from (68)², the answer so obtained is 2508. What is the number ? 46 44 47 45 46 44 47 45 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (68)² - x² = 2508Therefore, x² = 4624 = 2508Therefore, x = root of 2116 = 46
Number System √2304 x √? = 2832 3481 3681 3581 3381 3481 3681 3581 3381 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √2304 x √? = 2832= 48 x √? = 2832= √? = 2832/48 = 59∴? = 59 x 59 = 3481
Number System The product of two successive numbers is 4556. Which of the following is the larger of the two numbers? 68 78 63 67 68 78 63 67 ANSWER DOWNLOAD EXAMIANS APP
Number System Difference between two numbers is 5, six times of the smaller lacks by 6 from the four times of the greater. Find the numbers? 10, 5 12, 9 11, 6 12, 7 10, 5 12, 9 11, 6 12, 7 ANSWER DOWNLOAD EXAMIANS APP
Number System If the fraction 8/6, 7/5, 18/13, 9/5 and 7/11 are arranged in descending order of their values, which one will be the second ? 7/5 2/7 1/9 3/4 7/5 2/7 1/9 3/4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8/6 = 1. 333, 7/5 = 1.4, 18/13 = 1.3849/5 = 1.8 and 7/11 = 0.636Therefore, Descending order is 9/5 > 7/5 > 18/13 > 8/6 > 7/11Therefore Second fraction is 7/5
EXAMIANS