Number System 7.8% of 12.5 + 2.5% of 161 = ? 12 2 5 9 12 2 5 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7.8 x 12.5/100 + 2.5 x 161/100= 0.975 + 4.025= 5
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? 23 78 65 34 23 78 65 34 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65
Number System In how many different ways can the letters of the word 'LEASE' be arranged ? 40 60 None of these 80 40 60 None of these 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 3√103823 = ? 52 41 47 44 52 41 47 44 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 3√103823 = 3√47 x 47 x 47 = 47
Number System A number consists of two digits. If 3/5 of 1/5 of the number is 9. Find the sum of its two digits? 60 12 8 7 60 12 8 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 3/5 * 1/5 = 9x = 75 => 7 + 5 = 12
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
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