Aptitude Quiz - Ratio and Proportion 2

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1. The ratio of the number of boys and girls in a college is 7 : 8. If the percentage increase in the number of boys and girls be 20% and 10% respectively, what will be the new ratio?

A. 8 : 9
B. 17 : 18
C. 21 : 22
D. Cannot be determined

Aptitude Quiz - Ratio and Proportion 1

Bankers Adda is also known to be called as Aptitude Quiz adda.
Today Bankers Adda came back with a New Quiz on Aptitude
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1. In a bag, there are coins of 25 p, 10 p and 5 p in the ratio of 1 : 2 : 3. If there is Rs. 30 in all, how many 5 p coins are there?

A. 50
B. 100
C. 150
D. 200

Aptitude Quiz - Area 3

Bankers Adda is also known to be called as Aptitude Quiz adda.
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1. An error 2% in excess is made while measuring the side of a square. The percentage of error in the calculated area of the square is:

A. 2%
B. 2.02%
C. 4%
D. 4.04%

Aptitude Quiz - Area 2

Bankers Adda is also known to be called as Aptitude Quiz adda.
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1. A man walked diagonally across a square lot. Approximately, what was the percent saved by not walking along the edges?

A. 20
B. 24
C. 30
D. 33

Aptitude Quiz - Area 1

Bankers Adda is also known to be called as Aptitude Quiz adda.
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1. A tank is 25 m long, 12 m wide and 6 m deep. The cost of plastering its walls and bottom at 75 paise per sq. m, is:

A. Rs. 456
B. Rs. 458
C. Rs. 558
D. Rs. 568

Aptitude Quiz - Permutations and Combinations 3

Bankers Adda is also known to be called as Aptitude Quiz adda.
Today Bankers Adda came back with a New Quiz on Aptitude
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1. In how many different ways can the letters of the word 'OPTICAL' be arranged so that the vowels always come together?

A. 120
B. 720
C. 4320
D. 2160
E. None of these

Aptitude Quiz - Permutations and Combinations 2

Bankers Adda is also known to be called as Aptitude Quiz adda.
Today Bankers Adda came back with a New Quiz on Aptitude
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1. In how many ways can the letters of the word 'LEADER' be arranged?

A. 72
B. 144
C. 360
D. 720
E. None of these

Aptitude Quiz - Permutations and Combinations 1

Bankers Adda is also known to be called as Aptitude Quiz adda.
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1. How many 4-letter words with or without meaning, can be formed out of the letters of the word, 'LOGARITHMS', if repetition of letters is not allowed?

A. 40
B. 400
C. 5040
D. 2520

Aptitude Quiz - Important Formulas

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Important Formulas - Permutations and Combinations:

1.  Important Result:

If there are n subjects of which p1 are alike of one kind; p2 are alike of another kind; p3 are alike of third kind and so on and pr are alike of rth kind,
such that (p1 + p2 + ... pr) = n.

Then, number of permutations of these n objects is = n!/(p1!).(p2)!.....(pr!)

Aptitude Quiz - Problems On Ages 3

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Today Bankers Adda came back with a New Quiz on Aptitude
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1. The present ages of three persons in proportions 4 : 7 : 9. Eight years ago, the sum of their ages was 56. Find their present ages (in years).

A. 8, 20, 28
B. 16, 28, 36
C. 20, 35, 45
D. None of these

Aptitude Quiz - Problems On Ages 2

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1. A person's present age is two-fifth of the age of his mother. After 8 years, he will be one-half of the age of his mother. How old is the mother at present?

A. 32 years
B. 36 years
C. 40 years
D. 48 years

Aptitude Quiz - Problems On Ages 1

Bankers Adda is also known to be called as Aptitude Quiz adda.
Today Bankers Adda came back with a New Quiz on Aptitude
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1. Q is as much younger than R as he is older than T. If the sum of the ages of R and T is 50 years, what is definitely the difference between R and Q's age?
A. 1 year
B. 2 years
C. 25 years
D. Data inadequate
E. None of these