Number System The sum of five consecutive numbers is 190. What is the sum of the largest and the smallest number ? 74 75 76 73 74 75 76 73 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + x + 1 + x + 2 + x + 3 + x + 4= 190= 5x + 10 = 190= 5x = 190 - 10 = 180= x = 180/5 = 36The largest number = 36 + 4 = 40∴ Required sum = 36 + 40 = 76
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? 14 17 21 33 14 17 21 33 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 12
Number System 6.4 x 8.5 x 25/3.2 x 12.5 = ? 3.4 2.3 5.6 4.5 3.4 2.3 5.6 4.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 6.4 x 8.5 x 2.5/3.2 x 12.5 = 3.4
Number System 75% of 250 - ?% of 380 = 54.5 35 33 39 31 35 33 39 31 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 250 x 75/100 - 380 x ?/100 = 54.5= 250 x 75 - 380 x ?= 54.5 x 100= 18750 - 380 x ?= 5450= 380 x? = 18750 - 5450= 13300= ? = 13300/380 = 35
Number System (4300731) - ? = 2535618 1765113 1675123 1775123 1865113 1765113 1675123 1775123 1865113 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 4300731 - x = 2535618Then, x = 4300731 - 2535618 = 1765113
Number System In an examination, 68% of the total examinees passed. If the number of failures is 248, the total number of examinees is 725 750 775 640 725 750 775 640 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Failed students are 32% which is 248.∴ Total = 24800/32 = 775
EXAMIANS