Exercise interview questions – page 3

If the HCF of two numbers is 2 and their LCM is 70, then the numbers are

1. 2, 35
2. 4, 70
3. 6, 70
4. 14, 10

The HCF and LCM of two numbers are 18 and 3780 respectively. If one of them is 540, then the second one is

1. 112
2. 118
3. 126
4. 142

A merchant has 140 litres, 260 litres, 320 litres of three kinds of oil. He wants to sell the oil by filling the three kinds separately in tins of equal volume. The volume of such a tin will be

1. 13 litres
2. 16 litres
3. 20 litres
4. 70 litres

The L.C.M. of 3, 2.7 and 0.09 is

1. 0.27
2. 0.027
3. 27
4. 2.7

The H.C.F. and L.C.M. of two numbers are 12 and 336 respectively. If one of the numbers is 84, the other is

1. 24
2. 36
3. 48
4. 72

A train 270 meters long is moving at a speed of 25 km/hr. It will cross a man coming from the opposite direction at a speed of 2 km per hour is

1. 24 seconds
2. 28 seconds
3. 32 seconds
4. 36 seconds

A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the train?

1. 120 metres
2. 150 metres
3. 180 metres
4. 200 metres

A train takes 9 sec to cross a pole. If the speed of the train is 48 kmph, then length of the train is

1. 80 m
2. 90 m
3. 120 m
4. 150 m

Two trains 240 metres and 270 metres in length are running towards each other on parallel lines, one at the rate of 60 kmph and another at 48 kmph. How much time will they take to cross each other?

1. 14 sec.
2. 15 sec.
3. 16 sec.
4. 17 sec.

The time taken by a train 180 m long, travelling at 42 kmph, in pasing a person walking in the same direction at 6 kmph, will be

1. 16 sec
2. 18 sec
3. 21 sec
4. 24 sec

A train 280 m long is moving at 60 km/hr. Time taken by the train to cross a tunnel 220 m long is

1. 15 sec
2. 20 sec
3. 25 sec
4. 30 sec

A train 100 meters long passes a platform 100 meters long in seconds. The speed of the train is

1. 36 km/hr
2. 52 km/hr
3. 72 km/hr
4. 92 km/hr

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