Number System 65% of 320+?=686 481 478 480 479 481 478 480 479 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65% of 320+?=686 208+?=686?=686-208?=478
Number System 384×12×2=? 7487 6123 9216 8465 7487 6123 9216 8465 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9216
Number System Two third of three- fifth of one fourth of a number is 24, what is 30% of that number? 42 69 72 90 42 69 72 90 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 2/3 * 3/5 * 1/4 = 24x = 240240 * 30/100 = 72
Number System What number should come in the place of (?) in the following number series ? 1, 4, 9, 25, 49, ?, 169, 289, 361 11 321 121 225 11 321 121 225 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The series is (Prime No.)²So it is (11)² = 121
Number System Find the least number when successively divided by 2, 3 and 7 leaves remainders 1, 2 and 3 respectively? 75 65 61 67 75 65 61 67 ANSWER DOWNLOAD EXAMIANS APP
Number System If the numerator of a fraction is increased by 200% and the denominator by 300%, the fraction thus obtained is 1/36. What is the original fractions ? 5/9 4/9 3/9 6/9 5/9 4/9 3/9 6/9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the fractions be x/yx + 200% of x/y + 300% of y = 1/3= x + 2x/y + 3y = 1/3= 3x/4y = 1/3Hence x/y = 4/9
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