Number System Supply the missing figure : 1, 4, 9, 16, 25 .... 49 16 36 42 23 16 36 42 23 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 36
Number System In how many different ways can the letters of word 'BIOLOGY' be arranged ? 2410 2367 2520 2678 2410 2367 2520 2678 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In BIOLOGY total 7 letters are there but O comes twice.∴ Number of arrangements = 7!/2! = 2520
Number System 735 chocolates were distributed equally among children in such a way that the number of chocolates received by each child is 60% of the total number of children. How many chocolates did each child rec 16 21 14 18 16 21 14 18 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number of children be 'x' Therefore, each child will receiveX x 60/100 = 3x/5 chocolates∴ X x 3x/5 = 735∴ x² x 735x5/3 = 1225∴ x = 1225 = 35∴ Number of chocolates = 3x/5 = 21
Number System In how many different ways can the letters of the word 'LEASE' be arranged ? 40 None of these 60 80 40 None of these 60 80 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The world LEASE consists of 5 letters in which E comes twice ∴ 51/21 = 5x4x3x2x1/2x1 = 60
Number System Three times the first of three consecutive odd integers is 3 more than twice the third. The third integer is: 15 9 13 11 15 9 13 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 What is the sum of all even numbers from 1 to 701? 122850 122550 123850 122500 122850 122550 123850 122500 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 700/2 = 350350 * 351 = 122850
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