Number System A number when multiplied by five times of itself give the value equal to 1445. What is the number ? 17 18 16 15 17 18 16 15 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x x 5x = 1445= 5x² = 1445= x² = 289∴ x = 17
Number System (95.6x 910.3) ÷ 92.56256 = 9? 14.44 13.34 15.54 12.24 14.44 13.34 15.54 12.24 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 13.34
Number System 728.038 x 54.978 - 72.016 x 85.250 = ? 33900 53900 43900 23900 33900 53900 43900 23900 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 728 x 55 - 72 x 85.25 = 40040 - 6138 = 339900
Number System Of an amount, 20% of 25% of 30% is Rs 75. Then what is the original amount ? Rs. 4000 Rs. 3000 Rs. 5000 Rs. 2000 Rs. 4000 Rs. 3000 Rs. 5000 Rs. 2000 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the amount be x.∴ X x 20/100 x 25/100 x 30/100 = 75∴ X = 75 x 5 x 4 x 10/3 = 5000
Number System The sum of three consecutive multiples of 3 is 72. What is the largest number? 36 24 27 21 36 24 27 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be 3x, 3x + 3 and 3x + 6.Then,3x + (3x + 3) + (3x + 6) = 729x = 63x = 7Largest number = 3x + 6 = 27.
Number System 148 x 3.75 x 4 = 111 x ? 17 24 20 19 17 24 20 19 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 148 x 3.75 x 4/111 = 20
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