Aptitude interview questions – page 2

Two trains, one from Howrah to Patna and the other from Patna to Howrah, start simultaneously. After they meet, the trains reach their destinations after 9 hours and 16 hours respectively. The ratio of their speeds is

1. 1 : 3
2. 2 : 3
3. 4 : 3
4. 6 : 7

The number of prime factors in the expression (6)10 x (7)17 x (11)27 is

1. 44
2. 54
3. 64
4. 71

The H.C.F and L.C.M of two numbers are 44 and 264 respectively. If the first number is divided by 2, the quotient is 44. The other number is

1. 66
2. 132
3. 264
4. 528

The G.C.D. of two whole numbers is 5 and their LCM is 60. If one of the number is 20, then the other number would be

1. 13
2. 15
3. 16
4. 25

The greatest number that will divided 187, 233 and 279 leaving the same remainder in each case is

1. 16
2. 26
3. 36
4. 46

LCM and HCF of two numbers are 48 and 8 respectively. If one of the numbers is 16, the second number is

1. 36
2. 24
3. 18
4. 12

A clock takes 9 seconds to strike 4 times. In order to strike 12 times at the same rate, the time taken is

1. 27 seconds
2. 29 seconds
3. 33 seconds
4. 36 seconds

Number of times 29th day of the month occurs in 400 consecutive year is

1. 4400
2. 4497
3. 4800
4. 4600

Monday falls on 20th March, 1995. What was the day of 3rd November, 1994?

1. Sunday
2. Tuesday
3. Thursday
4. Friday

What was the day of the week on 28th February, 1995?

1. Monday
2. Tuesday
3. Wednesday
4. Thursday

The H.C.F. and L.C.M. of two numbers are 50 and 250 respectively. If the first number is divided by 2, the quotient is 50. The second number is

1. 50
2. 100
3. 105
4. 125

A rectangular courtyard 3.78 metres long and 5.25 metres wide is to be paved exactly with square tiles, all of the same size. What is the largest size of the tile which could be used for the purpose?

1. 10 cm
2. 14 cm
3. 21 cm
4. 42 cm

Which greatest number will divide 3026 and 5053 leaving remainders 11 and 13 respectively?

1. 15
2. 30
3. 40
4. 45

The LCM of 148 and 185 is

1. 3700
2. 2960
3. 740
4. 680

The product of two numbers is 1320 and their HCF is 6. The LCM of the numbers is

1. 220
2. 1314
3. 1326
4. 7920

The greatest four digit number which is exactly divisible by each one of the numbers 12, 18, 21 and 28

1. 9288
2. 9828
3. 9882
4. 9928

When Seeta made necklaces of either 16 beads, 20 beads or 36 beads, not a single bead was left over. What could be the least number of beads Seeta had?

1. 700
2. 710
3. 720
4. 740

The least number should be added to 2497 so that the sum is exactly divisible by 5, 6, 4 and 3 is

1. 3
2. 13
3. 23
4. 33

Three sets of English, Mathematics and Science books containing 336, 240 and 96 books respectively have to be stacked in such a way that all the books are stored subject wise and the height of each stack is the same. Total number of stacks will be

1. 7
2. 14
3. 21
4. 28

The H.C.F. of two numbers is 8. Which one of the following can never be their L.C.M.?

1. 24
2. 48
3. 56
4. 60

Find the highest common factor of 36 and 84.

1. 4
2. 6
3. 8
4. 12

252 can be expressed as a product of primes as

1. 2 x 2 x 2 x 3 x 7
2. 2 x 2 x 3 x 3 x 7
3. 2 x 3 x 3 x 3 x 7
4. 3 x 3 x 3 x 3 x 7

About the number of pairs which have 16 as their HCF and 136 as their LCM, we can definitely say that

1. Only one such pair exists
2. No such pair exists
3. Only two such pairs exist
4. Many such pairs exist

The H.C.F. of 0.54, 1.8 and 7.2 is

1. 0.18
2. 0.018
3. 1.8
4. 18

A bakery opened with its daily supply of 40 dozen rolls. Half of the rolls were sold by noon and 60% of the remaining rolls were sold between noon and closing time. How many dozen rolls were left unsold?

1. 6
2. 7
3. 8
4. 10

The price of rice is reduced by 2%. How many kilograms of rice can now be bought for the money which was sufficient to buy 49 kg of rice earlier?

1. 48 kg
2. 49 kg
3. 50 kg
4. 51 kg

In an examination, 35% candidates failed in one subject and 42% failed in another subject while 15% failed in both the subjects. If 2500 candidates appeared at the examination, how many passed in either subject but not in both?

1. 325
2. 1170
3. 1175
4. 2125

How many litres of pure acid are there in 8 litres of a 20% solution?

1. 1.4
2. 1.5
3. 1.6
4. 2.4

The day on 5th March of a year is the same day on what date of the same year?

1. 5th August
2. 5th October
3. 5th November
4. 5th December

January 7, 1992 was Tuesday. Find the day of the week on the same date after 5 years, i.e., on January 7, 1997?

1. Monday
2. Tuesday
3. Wednesday
4. Friday
5. Friday