Number System 9 3/4 + 7 2/17 - 9 1/15 = ? 9 719/1020 7 817/1020 9 817/1020 7 719/1020 9 719/1020 7 817/1020 9 817/1020 7 719/1020 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given sum = 9 + 3/4 + 7 + 2/17 - (9 + 1/15)= (9 + 7 - 9) + (3/4 + 2/17 - 1/15)= 7 + (765 + 120 - 68)/1020 = 7 817/1020
Number System If (35)² is added to the square of a number the answer so obtained is 1394. What is the number ? 11 15 17 13 11 15 17 13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x Therefore, x² + (35)² = 1394Therefore, x² = 1394 - (35)² = 1394 - 1225 = 169Therefore, x = √169 = 13
Number System On dividing number by 56, we get 29 as remainder. On dividing the same number by 8, what will be the remainder? 6 7 4 5 6 7 4 5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let x be the number and y be the quotient. Then, x = 357 * y + 39= (17 * 21 * y) + (17 * 2) + 5= 17 * (21y + 2) + 5.Required remainder = 5.
Number System In a fraction, twice the numerator is two more than the denominator. If 3 is added to the numerator and the denominator each, then the resultant fraction will be 2/3 .What was the original fraction 11/12 7/12 19/12 17/12 11/12 7/12 19/12 17/12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7/12
Number System How many numbers between 300 and 800 can be by using digits 2, 4, 5, 6 and 0 ? 52 36 48 56 52 36 48 56 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∴ Reqd . numbers = 3 x 4P2 = 3 x 12 = 36
Number System ?125÷5x ?=6265 1452 1253 153 124 1452 1253 153 124 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1253
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