quantitative aptitude

Average of the present age of A, B and C is equal to the age of C after 5 years. Present age of A is 2/3rd of the sum of the present age

Average of the present age of A, B and C is equal to the age of C after 5 years. Present age of A is 2/3rd of the sum of the present age

Average of the present age of A, B and C is equal to the age of C after 5 years. Present age of A is 2/3rd of the sum of the present age of B and C. B is 6 years elder than C. Find the present age of A. a)            21 years b)            18 […]

Average of the present age of A, B and C is equal to the age of C after 5 years. Present age of A is 2/3rd of the sum of the present age Read More »

Average weight of 20 persons is x kg. Two person’s weights 42kg and 44 kg are wrongly entered as (x – 8) kg and (2x/3 + 4)

Average weight of 20 persons is x kg. Two person’s weights 42kg and 44 kg are wrongly entered as (x – 8) kg and (2x/3 + 4)

Average weight of 20 persons is x kg. Two person’s weights 42kg and 44 kg are wrongly entered as (x – 8) kg and (2x/3 + 4) and when the average weight is calculated with the correct weight, then the average weight increases by 0.5kg. Find the value of x. a)            48 b)            44 c)           

Average weight of 20 persons is x kg. Two person’s weights 42kg and 44 kg are wrongly entered as (x – 8) kg and (2x/3 + 4) Read More »

Two equations (I) and (II) are given below. You have to solve both equations and give the answer as

Two equations (I) and (II) are given below. You have to solve both equations and give the answer as

Two equations (I) and (II) are given below. You have to solve both equations and give the answer as. I. 4×2 – 4x – 35 = 0 II. 2y2 – 17y + 35 = 0 a)            x> y b)            y> x c)            x ≥ y d)            x ≤ y e)            x = y or relation

Two equations (I) and (II) are given below. You have to solve both equations and give the answer as Read More »

24, 105, ?, 90, 54, 79

24, 105, ?, 90, 54, 79

What will come in the place of the question mark in the following series? 24, 105, ?, 90, 54, 79 a)            43 b)            40 c)            48 d)            44 e)            41 Sol: Logic in the series: 24 + 92 = 105 105 – 82 = 41 41 + 72 = 90 90 – 62 = 54

24, 105, ?, 90, 54, 79 Read More »

A boat covers 78 km downstream in 3 hours, while the time taken by a boat to go 182 km upstream and comes back to the same point

A boat covers 78 km downstream in 3 hours, while the time taken by a boat to go 182 km upstream and comes back to the same point

A boat covers 78 km downstream in 3 hours, while the time taken by a boat to go 182 km upstream and comes back to the same point is 20 hours, then find the ratio of the speed of the boat in still water to the speed of the stream. a) 5: 2 b) 15:

A boat covers 78 km downstream in 3 hours, while the time taken by a boat to go 182 km upstream and comes back to the same point Read More »

Sum of two integers and their product is 90. If both the integers are greater than 1, then find the difference between the square

Sum of two integers and their product is 90. If both the integers are greater than 1, then find the difference between the square

Sum of two integers and their product is 90. If both the integers are greater than 1, then find the difference between the square of these two integers. a) Cannot be determined b) 108 c) 120 d) 90 e) 96 Sol: Let integers be ‘x’ and ‘y’ (x > y). According to the question: x

Sum of two integers and their product is 90. If both the integers are greater than 1, then find the difference between the square Read More »

A person distributed Rs.75000 among three persons P, Q, and R such that P alone get Rs.15000 less than what Q and R together got

A person distributed Rs.75000 among three persons P, Q, and R such that P alone get Rs.15000 less than what Q and R together got

A person distributed Rs.75000 among three persons P, Q, and R such that P alone get Rs.15000 less than what Q and R together got. If the amount received by Q is 80% of that of R, then what percent of the total amount is given to person P? a) 60% b) 50% c) 30%

A person distributed Rs.75000 among three persons P, Q, and R such that P alone get Rs.15000 less than what Q and R together got Read More »

A and B entered into a partnership with an investment of Rs.15000 and Rs.X respectively. After 5 months, B withdrew Rs.8000

A and B entered into a partnership with an investment of Rs.15000 and Rs.X respectively. After 5 months, B withdrew Rs.8000

A and B entered into a partnership with an investment of Rs.15000 and Rs.X respectively. After 5 months, B withdrew Rs.8000 from his investment and the ratio of A’s profit to B’s profit at the end of the year is 9: 8. Find the value of ‘X’. a) 24000 b) 16000 c) 20000 d) 14000

A and B entered into a partnership with an investment of Rs.15000 and Rs.X respectively. After 5 months, B withdrew Rs.8000 Read More »

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