Number System If 70% of an equal to 40% of b, then ratio between a and b is? 7: 11 None 7: 4 4: 7 7: 11 None 7: 4 4: 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 70 a = 40 ba: b = 4: 7
Number System A number when multiplied by five times of itself give the value equal to 1445. What is the number ? 16 17 18 15 16 17 18 15 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x x 5x = 1445= 5x² = 1445= x² = 289∴ x = 17
Number System If the of a two-digit number are interchanged, the number so obtained is greater than the original number by 18. If the sum of the two digits of the number is 14. What is the original number ? 66 62 64 68 66 62 64 68 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be 10x + y.No. formed by the interchange of digits = 10y + xWe have y - x = 2 .........(i)y + x = 14 .........(ii)Solving (i) and (ii), we get x = 6, and y = 8∴ the no. is 68.
Number System If the product of two successive positive integers is 4692, what is the smaller number ? 66 68 64 70 66 68 64 70 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∵ 68 x 69 = 4692
Number System When 102 is reduced from a number, the number gets reduced by 88%. What is that number ? 850 650 750 550 850 650 750 550 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 850
Number System 56.21 +2.36+5.41 —21.4+1.5=? 64.08 44.08 34.08 54.08 64.08 44.08 34.08 54.08 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 44.08
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