Permutation Combination Set 2

1). Which number is added to the ratio 7:15 that number became 7:11?
a) 6
b) 9
c) 7
d) 8
e) 5

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Test: Bnk_Quant_Permutation-Combination_Set2

2). One- half of a certain number is equal to 65% of the second number. Find the ratio of first number to second number?
a) 10:13
b) 8:13
c) 13:8
d) 13:10
e) None of the above

3). In a town, 80% of the populations are adults of which the men and women are in the ratio of 9:7 respectively. If the number of adult women is 4.2 lakh, what is the total population of the town?
a) 9.6 lakh
b) 9.8 lakh
c) 11.6 lakh
d) 12 lakh
e) None of these

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Test: Bank_Quant_Permutation-Combination_Set2

4). A certain distance is covered at a certain speed. If half of this distance is covered in double the time than what is the ratio of the two speeds?
a) 4:1
b) 1:4
c) 1/4:1
d) 2:1
e) 1:2

5). 35% of a number is two times 75% of another number. What is the ratio between the first and the second number?
a) 30:7
b) 35:6
c) 23:7
d) 32:9
e) None of these

Answers:

1)c 2)d 3)d 4)a 5)a

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