Number System If the average of two numbers is 88.5 and one number is 5.5 less than the average. Find out the next number. 94 91 97 86 94 91 97 86 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 94
Number System 17580 x 1.8 - 13720 x 2.1 = ? x 2.4 1160 1180 1140 1120 1160 1180 1140 1120 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2.4 x ? = 31644 - 28812 = 2832∴ ? = 2832/2.4= 1180
Number System In how many different ways can the letters of the word TEST' be arranged ? 10 12 8 16 10 12 8 16 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 Three numbers are in ratio of 3: 4 :5. If the sum of first & third numbers is more than second number by 52, which will be largest number? 78 65 34 23 78 65 34 23 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65
Number System Supply the missing figure : 2, 6, 12, 20, 30 ... 56 39 42 41 40 39 42 41 40 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 42
Number System The difference between 8% of a number and 3% of the same number is 39. What is 2.8% of that number ? 21.84 25.84 27.84 24.84 21.84 25.84 27.84 24.84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x(8 - 3)% = 39x = 3900/5 = 780∴ 2.8% of 780= 780 x 2.8/100 = 21.84
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