Number System Of the three numbers, second is twice the first and is also thrice the third. If the average of the three numbers is 44, the largest number is 44 38 72 56 44 38 72 56 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 72
Number System A, B, C, D and E are consecutive even numbers respectively. The average of 5 numbers is 82. What is the product of C and E ? 6383 6363 6373 6353 6383 6363 6373 6353 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + x + 1 + x + 2 + x + 3 + x + 4 = 5 x 82= 5x + 10 = 410 = 5x = 400= x = 400/5 = 80 ∴ A = 80C = 82and E = 84= C x E = 82 x 84 = 6383
Number System If the three fourth of a number is subtracted from the number; the value so, obtained is 163. What is that number ? 652 678 689 692 652 678 689 692 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number x (1 - 3/4) = 163∴ Number = 163 x 4 = 652
Number System What is the sum of all the prime numbers from 20 to 40? 118 119 120 117 118 119 120 117 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 23 + 29 + 31 + 37 = 120
Number System A laborer is engaged for 30 days on the condition that he receives Rs.25 for each day he works and is fined Rs.7.50 for each day is absent. He gets Rs.425 in all. For how many days was he absent? 9 8 6 10 9 8 6 10 ANSWER DOWNLOAD EXAMIANS APP
Number System One-eighth of a number is 76. What will be 54% of the number ? 328.32 318.32 321.32 332.32 328.32 318.32 321.32 332.32 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x Therefore, 1/8 of x = 76Therefore, x = 60854% of 608 = 608 x 54/100 = 328.32
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