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Numerical Ability

If 12 girls can earn Rs.2,400 in 5 days, then how many girls can earn Rs.4,200 in 21 days?

i) 105 girls
ii) 101 girls
iii) 12 girls
iv) 5 girls

The least perfect square number which is divisible by 3,4,5,6 and 8 is

i) 700
ii) 1100
iii) 3600
iv) 1500

A woman has Rs.480 in the denomination of one-rupee notes, five-rupee notes and ten-rupee notes. The number of notes are equal. What is the total number of notes?

i) 50
ii) 70
iii) 90
iv) 60

In an organisation, 40% of the employees are matriculates, 50% of the remaining are graduates and remaining 180 are post-graduates. How many employees are graduates?

i) 360
ii) 120
iii) 180
iv) 240

By selling an article for Rs.240, a woman incurs a loss of 10%. At what price should she sell it so as to make a profit of 20%

i) 320
ii) 288
iii) 262
iv) 310

The cost price of two dozen bananas is Rs.32. After selling 18 bananas at the rate of Rs.12 per dozen, the shopkeeper reduced the rate as Rs.4 per dozen. The percentage loss is

i) 21.2%
ii) 33.4%
iii) 37.5%
iv) 35.5%

If the cost price of 12 articles is equal to the selling price of 10 articles, then the profit percent is

i) 18 2/3%
ii) 20%
iii) 24%
iv) 25%

The length of the longest rod that can be placed in a room 12m x 9m x 8m is

i) 26 m
ii) 15 m
iii) 17 m
iv) 13 m

The number, whose square is equal to the difference of the squares of 75.15 and 60.12 is

i) 43.09
ii) 45.09
iii) 46.09
iv) 47.09

The average of 20 numbers is 12. The average of the first 12 is 11 and that of next 7 is 10. The last number is

i) 39
ii) 46
iii) 50
iv) 38