Number System The average age of seven boys sitting in a row facing North is 26 years. If the average age of first three boys is 19 years and the average age of last three boys is 32 years, what is the age of the b 28 years 30 years 31 years 29 years 28 years 30 years 31 years 29 years ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Age of the fourth boy = (26 x 7 - 3 x 19 - 3 x 32) years = (182 - 57 - 96) years = 29 years
Number System 480% of 350 + 620% of 275 = ? 3385 5385 2385 4385 3385 5385 2385 4385 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 480 x 350/100 + 620 x 275/100= 1680 + 1705 = 3385
Number System 1827÷ 36 x ?=162.4 2.6 4.3 3.2 1.9 2.6 4.3 3.2 1.9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3.2
Number System What should come in place of (?) in the following series ? 10, 19, 30, 43, 58, ? 75 78 76 77 75 78 76 77 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The series is: +9, +11, +13, +15, +17
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? 17 33 14 21 17 33 14 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 12
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