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Arithmetic Aptitude
Data Interpretation


( 1 ) How many numbers from 29 to 79 are exactly divisible by 11.
 1) 5
 2) 6
 3) 4
 4) 7

Show Answer Report Discussion in forumAnswer : 1) 5
Solution : 29/11 = 2 and 79/11 = 7
=> 7  2 = 5 Numbers
discussion
Answer : 1) 5



( 2 ) How many numbers from 10 to 50 are exactly divisible by 3.
 1) 13
 2) 12
 3) 14
 4) 11

Show Answer Report Discussion in forumAnswer : 2) 12
Solution : 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45,48.
13 Numbers.
10/3 = 3 and 50/3 = 16
=> 16  3 = 13. Therefore 13 digits.
discussion
Answer : 2) 12



( 3 ) In a question on division with zero remainder, a candidate took 12 as divisor instead of 21. The quotient obtained by him was 35. The correct quotient is:
 1) 26
 2) 25
 3) 0
 4) 20

Show Answer Report Discussion in forumAnswer : 4) 20
Solution : Number = (35 * 12) = 420
Correct quotient = 420/21 = 20
discussion
Answer : 4) 20



( 4 ) What is the dividend. divisor 17, the quotient is 9 and the remainder is 5.
 1) 153
 2) 156
 3) 158
 4) NONE

Show Answer Report Discussion in forumAnswer : 3) 158
Solution : D = d * Q + R
D = 17 * 9 + 5
D = 153 + 5
D = 158
discussion
Answer : 3) 158



( 5 ) On dividinng 109 by a number, the quotient is 9 and the remainder is 1. Find the divisor.
 1) 13
 2) 12
 3) 14
 4) 11

Show Answer Report Discussion in forumAnswer : 2) 12
Solution : d = (D  R)/Q
= (109  1)/9
= 108/9 = 12
discussion
Answer : 2) 12



( 6 ) The greatest number by which the product of three consecutive multiples of 3 is always
 1) 54
 2) 81
 3) 162
 4) 243

Show Answer Report Discussion in forumAnswer : 3) 162
Solution : 3*6*9 = 162
discussion
Answer : 3) 162



( 7 ) What least number must be subtracted from 427398 so that remaining number is divisible by 15
 1) 3
 2) 5
 3) 7
 4) 9

Show Answer Report Discussion in forumAnswer : 1) 3
Solution : On dividing 427398 by 15 we get the remainder 3, so 3 should be subtracted
discussion
Answer : 1) 3



( 8 ) A certain number when divided by 899 leaves the remainder 65. when the same number is divided by 31, the remainder is:
 1) 2
 2) 3
 3) 4
 4) 1

Show Answer Report Discussion in forumAnswer : 2) 3
Solution : 899 is divided by 31
∴ required remainder = remainder by 65/31 = 3
discussion
Answer : 2) 3



( 9 ) The unit digit in the product (122)^{173} is
 1) 2
 2) 4
 3) 6
 4) 8

Show Answer Report Discussion in forumAnswer : 1) 2
Solution : Power of (122)^{173} is odd number
∴unit digit in the product of (122)^{173} = 2
discussion
Answer : 1) 2



( 10 ) Two numbers, when divided by 17, leave remainders 13 and 11 respectively. If the sum of those two numbers is divided by 17, the remainder will be
 1) 13
 2) 11
 3) 7
 4) 4

Show Answer Report Discussion in forumAnswer : 3) 7
Solution : Required remainder = remainder by (13 +11)/17 = 7
discussion
Answer : 3) 7
