Number System Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is: 15 13 9 11 15 13 9 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the three integers be x, x + 2 and x+ 4.Then,3x = 2(x + 4) + 3x = 11Third integer = x + 4 = 15.
Number System If (35)² is added to the square of a number the answer so obtained is 1394. What is the number ? 11 15 13 17 11 15 13 17 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x Therefore, x² + (35)² = 1394Therefore, x² = 1394 - (35)² = 1394 - 1225 = 169Therefore, x = √169 = 13
Number System Which is the largest fraction among the following ? 24/25 21/23 21/22 12/13 24/25 21/23 21/22 12/13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21/23 = 0.913,12/13 = 0.92323/25 = 0.92, 21/22 = 0.9545, 24/25 = 0.96
Number System In how many different ways can the letters of the word TEST' be arranged ? 10 8 16 12 10 8 16 12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The word TEST consists of 4 letters in which T comes twice ∴ Number of arrangements= 4!/2! = 4 x 3 x 2 x 1/2 x 1 = 12
Number System A canteen requires 17 dozen of eggs per week. How many eggs will it require from January 1 to February 11 ? 987 1224 820 525 987 1224 820 525 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of days from Jan 1 to Feb 11th= 31 + 11 = 42 days = 6 weeks∴ Total eggs =17 x 12 x 6 = 1224