Number System What least number should be added to 8602 to make it a perfect square ? 41 51 47 36 41 51 47 36 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP So, (93)² = 8649So, the required number to be added to make a perfect square = 8649 - 8602 = 47
Number System A number exceeds by 25 from its 3/8 part. Then the number is? 35 39 32 40 35 39 32 40 ANSWER DOWNLOAD EXAMIANS APP
Number System 74698 + 365 + 85213 + 95 = ? 160351 160371 160341 160361 160351 160371 160341 160361 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 74698 + 365 + 85213 + 95 = 160371
Number System The average of five consecutive even numbers A, B, C, D and E is 42. What is the product of B and D ? 2476 3289 4589 1760 2476 3289 4589 1760 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP A + B + C + D + E/5 = 42∴ C = 42, ∴ B = 40, ∴ D = 44∴ B x D = 40 x 44 = 1760
Number System 75% of 250 - ?% of 380 = 54.5 31 35 33 39 31 35 33 39 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 250 x 75/100 - 380 x ?/100 = 54.5= 250 x 75 - 380 x ?= 54.5 x 100= 18750 - 380 x ?= 5450= 380 x? = 18750 - 5450= 13300= ? = 13300/380 = 35
Number System 7589 - ? = 3434 1123 4155 4242 11023 1123 4155 4242 11023 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 7589 - x = 3434Then x = 7589 - 3434 = 4155
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