Learn and practice Aptitude questions and answers with explanation for interview, competitive exam (Pariksha Corner )

Tuesday, January 7, 2020

5 men or 9 women can do a piece of work 19 days. In how many days will 3 men and 6 women working together will finish the work?

5 men or 9 women can do a piece of work 19 days. In how many days will 3 men and 6 women working together will finish the work?
A10 days
B15 days
C87 days
D38 days
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When 1 is added to each of the given two numbers, their ratio becomes 3 : 4 and when 5 is subtracted from each, the ratio becomes 7 : 10. The numbers are:

When 1 is added to each of the given two numbers, their ratio becomes 3 : 4 and when 5 is subtracted from each, the ratio becomes 7 : 10. The numbers are:
A8, 11
B11, 15
C26, 35
D27, 36
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By selling a tape-recorder for 950, I lose 5%. What percent shall I gain by selling it for a 1040?

By selling a tape-recorder for 950, I lose 5%. What percent shall I gain by selling it for a 1040?
A0.04
B0.045
C0.4
D0.05
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The length of a rectangle is increased by 60%. By what percent would the width have to be decreased to maintain the same area ?

The length of a rectangle is increased by 60%. By what percent would the width have to be decreased to maintain the same area ?
A37(1 / 2)%
B0.6
C0.75
DNone
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The ratio between the present ages of Ravi and Jai is 3:2. If Ravi was 6 years older than Jai, four years back, how old is Jai now?

The ratio between the present ages of Ravi and Jai is 3:2. If Ravi was 6 years older than Jai, four years back, how old is Jai now?
A6 years
B12 years
C18 years
DData inadequate
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The average weight of 8 boys is increased by 1.5 kg when one of the boys, who weights 65 kg, is replaced by a new boy. The weight of the new boy is-

The average weight of 8 boys is increased by 1.5 kg when one of the boys, who weights 65 kg, is replaced by a new boy. The weight of the new boy is-
A70 kg
B74 kg
C76 kg
D77 kg
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4/5 of a certain number is 64.half of the number is?

4/5 of a certain number is 64.half of the number is?
A40
B32
C80
D16
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