Number System ?2704 x ?2209=? 4444 2444 3444 1444 4444 2444 3444 1444 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2444
Number System Sum of square of first number and cube of second number together is 568. Also square of the second number is 15 less than square of 8. What is the value of three-fifth of the first number ? 8 7 6 9 8 7 6 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the first number be x and the second number be y.∴ y² = 82 - 15 = 64 - 15 = 49∴ y = 7∴ x² + 73 = 568= x² + 343 = 568= x² + 568 - 343 = 225∴ x = √225 = 15∴ 15 x 3/5 = 9
Number System Find the least value of 3x + 4y if x2y3 = 6. 7 10 3 6 7 10 3 6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 10
Number System Complete the series : 1, 2, 3, 5, 8, 13 .... 4 7 9 1 4 7 9 1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1
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? 3/5 1/5 2/5 4/5 3/5 1/5 2/5 4/5 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 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 21 17 33 14 21 17 33 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 12
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